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A wok (;
Pinyin Hanyu Pinyin (), often shortened to just pinyin, is the official romanization system for Standard Mandarin Chinese in China, and to some extent, in Singapore and Malaysia. It is often used to teach Mandarin, normally written in Chinese fo ...
: ;
Cantonese Cantonese ( zh, t=廣東話, s=广东话, first=t, cy=Gwóngdūng wá) is a language within the Chinese (Sinitic) branch of the Sino-Tibetan languages originating from the city of Guangzhou (historically known as Canton) and its surrounding a ...
) is a deep round-bottomed cooking pan from
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
. It is believed to be derived from the
South Asia South Asia is the southern subregion of Asia, which is defined in both geographical and ethno-cultural terms. The region consists of the countries of Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka.;;;;; ...
n karahi. It is common in China and similar pans are found in parts of
East East or Orient is one of the four cardinal directions or points of the compass. It is the opposite direction from west and is the direction from which the Sun rises on the Earth. Etymology As in other languages, the word is formed from the fac ...
,
South South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both east and west. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþa ...
and
Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainland ...
, as well as being popular in other parts of the world. Woks are used in a range of
Chinese cooking techniques Chinese cooking techniques () are a set of methods and techniques traditionally used in Chinese cuisine. The cooking techniques can either be grouped into ones that use a single cooking method or a combination of wet and dry cooking methods. Sing ...
, including
stir frying Stir frying () is a cooking technique in which ingredients are fried in a small amount of very hot oil while being stirred or tossed in a wok. The technique originated in China and in recent centuries has spread into other parts of Asia and t ...
,
steaming Steaming is a method of cooking using steam. This is often done with a food steamer, a kitchen appliance made specifically to cook food with steam, but food can also be steamed in a wok. In the American southwest, steam pits used for cooking ha ...
,
pan frying Pan frying or pan-frying is a form of frying food characterized by the use of minimal cooking oil or fat (compared to shallow frying or deep frying), typically using just enough to lubricate the pan. In the case of a greasy food such as bacon, ...
,
deep frying Deep frying (also referred to as deep fat frying) is a cooking method in which food is submerged in hot fat, traditionally lard but today most commonly oil, as opposed to the shallow oil used in conventional frying done in a frying pan. ...
,
poaching Poaching has been defined as the illegal hunting or capturing of wild animals, usually associated with land use rights. Poaching was once performed by impoverished peasants for subsistence purposes and to supplement meager diets. It was set a ...
,
boiling Boiling is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling point, the temperature at which the vapour pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding atmosphere. Th ...
, braising, searing, stewing, making
soup Soup is a primarily liquid food, generally served warm or hot (but may be cool or cold), that is made by combining ingredients of meat or vegetables with stock, milk, or water. Hot soups are additionally characterized by boiling soli ...
,
smoking Smoking is a practice in which a substance is burned and the resulting smoke is typically breathed in to be tasted and absorbed into the bloodstream. Most commonly, the substance used is the dried leaves of the tobacco plant, which have b ...
and roasting nuts. Wok cooking is often done with utensils called (
spatula A spatula is a broad, flat, flexible blade used to mix, spread and lift material including foods, drugs, plaster and paints. In medical applications, "spatula" may also be used synonymously with tongue depressor. The word ''spatula'' derives f ...
) or ( ladle) whose long handles protect cooks from high heat. The uniqueness of wok cooking is conveyed by the
Cantonese Cantonese ( zh, t=廣東話, s=广东话, first=t, cy=Gwóngdūng wá) is a language within the Chinese (Sinitic) branch of the Sino-Tibetan languages originating from the city of Guangzhou (historically known as Canton) and its surrounding a ...
term : "breath of the wok".


History

The origin of the wok is unclear, but most scholars believe it originated from the
South Asia South Asia is the southern subregion of Asia, which is defined in both geographical and ethno-cultural terms. The region consists of the countries of Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka.;;;;; ...
n karahi and the
Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainland ...
n kuali (believed to be the
etymon Etymology ()The New Oxford Dictionary of English (1998) – p. 633 "Etymology /ˌɛtɪˈmɒlədʒi/ the study of the class in words and the way their meanings have changed throughout time". is the study of the history of the form of words and ...
of Mandarin 𡆇). These cooking vessels are universal in South and Southeast Asian cuisine for stewing and quick evaporation. They likely entered China via
Central Asia Central Asia, also known as Middle Asia, is a region of Asia that stretches from the Caspian Sea in the west to western China and Mongolia in the east, and from Afghanistan and Iran in the south to Russia in the north. It includes the fo ...
from
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
where it evolved into the wok. In his 1988 book ''The Food of China'', E.N. Anderson writes: The first possible depictions of woks in China appeared in the
Han dynasty The Han dynasty (, ; ) was an Dynasties in Chinese history, imperial dynasty of China (202 BC – 9 AD, 25–220 AD), established by Emperor Gaozu of Han, Liu Bang (Emperor Gao) and ruled by the House of Liu. The dynasty was preceded by th ...
(c. 202 BCE - 220 CE). But these are conjectural, since these "woks" were made of clay and were only used to dry grains. Metal woks only started to appear in China in the
Ming dynasty The Ming dynasty (), officially the Great Ming, was an Dynasties in Chinese history, imperial dynasty of China, ruling from 1368 to 1644 following the collapse of the Mongol Empire, Mongol-led Yuan dynasty. The Ming dynasty was the last ort ...
(1368 - 1644), where it was first used for
stir frying Stir frying () is a cooking technique in which ingredients are fried in a small amount of very hot oil while being stirred or tossed in a wok. The technique originated in China and in recent centuries has spread into other parts of Asia and t ...
(an original Han Chinese innovation).


Characteristics

The wok's most distinguishing feature is its shape. Classic woks have a rounded bottom. Hand-hammered woks are sometimes flipped inside out after being shaped, giving the wok a gentle flare to the edge that makes it easier to push food up onto the sides of the wok. Woks sold in Western countries are sometimes found with flat bottoms—this makes them more similar to a deep
frying pan A frying pan, frypan, or skillet is a flat-bottomed pan used for frying, searing, and browning foods. It is typically in diameter with relatively low sides that flare outwards, a long handle, and no lid. Larger pans may have a small grab han ...
. The flat bottom allows the wok to be used on an electric
stove A stove or range is a device that burns fuel or uses electricity to generate heat inside or on top of the apparatus, to be used for general warming or cooking. It has evolved highly over time, with cast-iron and induction versions being develope ...
, where a rounded wok would not be able to fully contact the stove's heating element. A round-bottom wok enables the traditional round spatula or ladle to pick all the food up at the bottom of the wok and toss it around easily; this is difficult with a flat bottom. With a gas hob, or traditional pit stove, the bottom of a round wok can get hotter than a flat wok and so is better for stir frying. Most woks range from or more in
diameter In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid f ...
. Woks of (suitable for a family of 3 or 4) are the most common, but home woks can be found as small as and as large as . Smaller woks are typically used for quick cooking techniques at high heat such as
stir frying Stir frying () is a cooking technique in which ingredients are fried in a small amount of very hot oil while being stirred or tossed in a wok. The technique originated in China and in recent centuries has spread into other parts of Asia and t ...
(). Large woks over a meter wide are mainly used by restaurants or community kitchens for cooking
rice Rice is the seed of the grass species '' Oryza sativa'' (Asian rice) or less commonly ''Oryza glaberrima'' (African rice). The name wild rice is usually used for species of the genera '' Zizania'' and '' Porteresia'', both wild and domesticat ...
or
soup Soup is a primarily liquid food, generally served warm or hot (but may be cool or cold), that is made by combining ingredients of meat or vegetables with stock, milk, or water. Hot soups are additionally characterized by boiling soli ...
, or for boiling
water Water (chemical formula ) is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms (in which it acts as ...
.


Materials

The most common materials used in making woks today are
carbon steel Carbon steel is a steel with carbon content from about 0.05 up to 2.1 percent by weight. The definition of carbon steel from the American Iron and Steel Institute (AISI) states: * no minimum content is specified or required for chromium, coba ...
and
cast iron Cast iron is a class of iron– carbon alloys with a carbon content more than 2%. Its usefulness derives from its relatively low melting temperature. The alloy constituents affect its color when fractured: white cast iron has carbide impuri ...
. Although the latter was the most common type used in the past, cooks tend to be divided on whether carbon steel or cast iron woks are superior.


Carbon steel

Currently, carbon steel is the most widely used material, being relatively inexpensive compared with other materials, relatively light in weight, providing quick heat conduction as it has a low heat capacity, and having reasonable durability. Their light weight makes them easier to lift and quicker to heat. Carbon steel woks, however, tend to be more difficult to
season A season is a division of the year based on changes in weather, ecology, and the number of daylight hours in a given region. On Earth, seasons are the result of the axial parallelism of Earth's tilted orbit around the Sun. In temperate and ...
than those made of cast-iron ('seasoning', or carbonizing the cooking surface of a wok, is required to prevent foods from sticking and to remove metallic tastes and odors). Carbon steel woks vary widely in price, style, and quality, which is based on
ply Ply, Pli, Plies or Plying may refer to: Common uses * Ply (layer), typically of paper or wood ** Plywood, made of layers of wood ** Tire ply, a layer of cords embedded in the rubber of a tire Places * Plymouth railway station, England, station ...
and forming technique. The lowest quality steel woks tend to be stamped by machine from a single 'ply' or piece of stamped steel. Less expensive woks have a higher tendency to deform and misshape. Cooking with lower quality woks is also more difficult and precarious since they often have a "hot spot". Higher quality, mass-produced woks are made of heavy gauge (14-gauge or thicker) steel, and are either machine-hammered or made of spun steel. The best quality woks are almost always hand-made, being pounded into shape by hand ("hand hammered") from two or more sheets of carbon steel which are shaped into final form by a ring-forming or hand-forging process.


Cast iron

Two types of
cast iron Cast iron is a class of iron– carbon alloys with a carbon content more than 2%. Its usefulness derives from its relatively low melting temperature. The alloy constituents affect its color when fractured: white cast iron has carbide impuri ...
woks can be found in the market. Chinese-made cast iron woks are very thin (), weighing only a little more than a carbon steel wok of similar size, while cast iron woks typically produced in the West tend to be much thicker (), and very heavy. Because of the thickness of the cast iron, Western-style cast iron woks take much longer to bring up to cooking temperature, and their weight also makes stir-frying and techniques difficult. Cast iron woks form a more stable carbonized layer of
seasoning Seasoning is the process of supplementing food via herbs, spices, salts, and/or sugar, intended to enhance a particular flavour. General meaning Seasonings include herbs and spices, which are themselves frequently referred to as "seasonings". ...
which makes it less prone to food sticking on the pan. While cast iron woks are superior to carbon steel woks in heat retention and uniform heat distribution, they respond slowly to heat adjustments and are slow to cool once taken off the fire. Because of this, food cooked in a cast iron wok must be promptly removed from the wok as soon as it is done to prevent overcooking. Chinese-style cast iron woks, although relatively light, are fragile and are prone to shattering if dropped or mishandled.


Non-stick

Steel woks coated with
non-stick A non-stick surface is engineered to reduce the ability of other materials to stick to it. Non-stick cookware is a common application, where the non-stick coating allows food to brown without sticking to the pan. Non-stick is often used to refer ...
coatings such as PFA and
Teflon Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications. It is one of the best-known and widely applied PFAS. The commonly known brand name of PTFE-based composition is Teflon by Chemo ...
, a development originated in Western countries, are now popular in Asia as well. These woks cannot be used with metal utensils, and foods cooked in non-stick woks tend to retain juices instead of browning in the pan. As they necessarily lack the carbonizing or seasoning of the classic steel or iron wok, non-stick woks do not impart the distinctive taste or sensation of . The newest nonstick coatings will withstand temperatures of up to , sufficient for stir-frying. Woks are also now being introduced with
clad Cladding is an outer layer of material covering another. It may refer to the following: * Cladding (boiler), the layer of insulation and outer wrapping around a boiler shell *Cladding (construction), materials applied to the exterior of buildings ...
or five-layer construction, which sandwich a thick layer of aluminum or copper between two sheets of stainless steel. Clad woks can cost five to ten times the price of a traditional carbon steel or cast-iron wok, yet cook no better; for this reason they are not used in most professional restaurant kitchens. Clad woks are also slower to heat than traditional woks and not nearly as efficient for stir-frying.


Aluminium

Woks can also be made from
aluminium Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It ha ...
. Although an excellent conductor of heat, it has somewhat inferior thermal capacity as cast iron or carbon steel, it loses heat to
convection Convection is single or multiphase fluid flow that occurs spontaneously due to the combined effects of material property heterogeneity and body forces on a fluid, most commonly density and gravity (see buoyancy). When the cause of the c ...
much faster than carbon steel, and it may be constructed much thinner than cast iron. Although
anodized aluminium Anodizing is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of metal parts. The process is called ''anodizing'' because the part to be treated forms the anode electrode of an elect ...
alloy An alloy is a mixture of chemical elements of which at least one is a metal. Unlike chemical compounds with metallic bases, an alloy will retain all the properties of a metal in the resulting material, such as electrical conductivity, ductili ...
s can stand up to constant use, plain aluminium woks are too soft and damage easily. Aluminium is mostly used for wok lids.


Handles

The handles for woks come in two styles: loops and stick. Loop handles mounted on opposite sides of the wok are typical in southern China. The twin small loop handles are the most common handle type for woks of all types and materials, and are usually made of bare metal. Cooks needing to hold the wok to toss the food in cooking do so by holding a loop handle with a thick
towel A towel is a piece of absorbent cloth or paper used for drying or wiping a surface. Towels draw moisture through direct contact. In households, several types of towels are used, such as hand towels, bath towels, and kitchen towels. Paper towels ...
(though some woks have spool-shaped wooden or plastic covers over the metal of the handle). Cooking with the tossing action in loop-handled woks requires a large amount of hand, arm and wrist strength. Loop handles typically come in pairs on the wok and are riveted, welded or extended from the wok basin. Stick handles are long, made of steel, and are usually welded or riveted to the wok basin, or are an actual direct extension of the metal of the basin. Stick handles are popular in northern China, where food in the wok is frequently turned with a tossing motion of the arm and wrist when stir-frying food. The classic stick handle is made of hollow hammered steel, but other materials may be used, including wood or plastic-covered hand grips. Because of their popularity in northern China, stick-handled woks are often referred to as "pao woks" or "Peking pans". Stick handles are normally not found on cast-iron woks since the wok is either too heavy for the handle or the metal is too thin to handle the
tensile stress In continuum mechanics, stress is a physical quantity. It is a quantity that describes the magnitude of forces that cause deformation. Stress is defined as ''force per unit area''. When an object is pulled apart by a force it will cause elonga ...
exerted by the handle. Larger-diameter woks with stick-type handles frequently incorporate a "helper" handle consisting of a loop on the opposite side of the wok, which aids in handling.


Cooking

The wok can be used in a large number of cooking methods. Before the introduction of Western cookware, it was often used for all cooking techniques including: *
Boiling Boiling is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling point, the temperature at which the vapour pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding atmosphere. Th ...
: For boiling water, soups, dumplings, or rice. In the latter case,
guoba Scorched rice, also known as crunchy rice, is a thin crust of slightly browned rice at the bottom of the cooking pot. It is produced during the cooking of rice over direct heat from a flame. Varieties Cape Verde In Cape Verdean Creole, the bu ...
often forms. * Braising: Braised dishes are commonly made using woks. Braising is useful when reducing sauces. *
Deep frying Deep frying (also referred to as deep fat frying) is a cooking method in which food is submerged in hot fat, traditionally lard but today most commonly oil, as opposed to the shallow oil used in conventional frying done in a frying pan. ...
: This is usually accomplished with larger woks to reduce splashing, but for deep frying of less food or small food items, small woks are also used. *
Pan frying Pan frying or pan-frying is a form of frying food characterized by the use of minimal cooking oil or fat (compared to shallow frying or deep frying), typically using just enough to lubricate the pan. In the case of a greasy food such as bacon, ...
: Food that is fried using a small amount of oil in the bottom of a pan *
Roasting Roasting is a cooking method that uses dry heat where hot air covers the food, cooking it evenly on all sides with temperatures of at least from an open flame, oven, or other heat source. Roasting can enhance the flavor through caramelizatio ...
: Food may be cooked with dry heat in an enclosed pan with lid. Whole chestnuts are dry roasted by tossing them in a dry wok with several pounds of small stones. * Searing: Food is browned on its outer surfaces through the application of high heat *
Smoking Smoking is a practice in which a substance is burned and the resulting smoke is typically breathed in to be tasted and absorbed into the bloodstream. Most commonly, the substance used is the dried leaves of the tobacco plant, which have b ...
: Food can be hot smoked by putting the smoking material in the bottom of the wok while food is placed on a rack above. *
Steaming Steaming is a method of cooking using steam. This is often done with a food steamer, a kitchen appliance made specifically to cook food with steam, but food can also be steamed in a wok. In the American southwest, steam pits used for cooking ha ...
: Done using a dedicated wok for boiling water in combination with steaming baskets *
Stew A stew is a combination of solid food ingredients that have been cooked in liquid and served in the resultant gravy. A stew needs to have raw ingredients added to the gravy. Ingredients in a stew can include any combination of vegetables a ...
ing: Woks are sometimes used for stewing though it is more common in Chinese cuisines to use either stoneware or porcelain for such purposes, especially when longer stewing times are required. Small woks are for
hot pot Hot pot or hotpot (), also known as soup-food or steamboat, is a cooking method that originated in China. A heat source on the dining table keeps a pot of soup stock simmering, and a variety of Chinese foodstuffs and ingredients are served b ...
, particularly in Hainan cuisine. These are served at the table over a
sterno Sterno is a brand of jellied, denatured alcohol sold in a can and meant to be burned directly in its can. Its primary uses are in food service for buffet heating, in the home for fondue, and as a chafing fuel for heating chafing dishes. Other ...
flame. *
Stir frying Stir frying () is a cooking technique in which ingredients are fried in a small amount of very hot oil while being stirred or tossed in a wok. The technique originated in China and in recent centuries has spread into other parts of Asia and t ...
: Frying food quickly in a small amount of oil over high heat while stirring continuously. The
Cantonese Cantonese ( zh, t=廣東話, s=广东话, first=t, cy=Gwóngdūng wá) is a language within the Chinese (Sinitic) branch of the Sino-Tibetan languages originating from the city of Guangzhou (historically known as Canton) and its surrounding a ...
phrase () literally, the "air of the wok", refers to the distinct charred, smoky flavor resulting from stir-frying foods over an open flame in Cantonese cuisine. The second character () is transliterated as () according to its
Standard Chinese Standard Chinese ()—in linguistics Standard Northern Mandarin or Standard Beijing Mandarin, in common speech simply Mandarin, better qualified as Standard Mandarin, Modern Standard Mandarin or Standard Mandarin Chinese—is a modern standa ...
pronunciation, so is sometimes rendered as in Western cookbooks. refers to the flavor, taste, and "essence" imparted by a hot wok on food during
stir frying Stir frying () is a cooking technique in which ingredients are fried in a small amount of very hot oil while being stirred or tossed in a wok. The technique originated in China and in recent centuries has spread into other parts of Asia and t ...
. It is particularly important for Cantonese dishes requiring high heat for fragrance such as and
beef Beef is the culinary name for meat from cattle (''Bos taurus''). Beef can be prepared in various ways; cuts are often used for steak, which can be cooked to varying degrees of doneness, while trimmings are often ground or minced, as found in ...
. Out of the Eight Culinary Traditions of China, the concept is only encountered in
Cantonese cuisine Cantonese or Guangdong cuisine, also known as Yue cuisine ( or ) is the cuisine of Guangdong province of China, particularly the provincial capital Guangzhou, and the surrounding regions in the Pearl River Delta including Hong Kong and Macau.H ...
, and may not even be an accepted underlying principle in most other
Chinese cuisine Chinese cuisine encompasses the numerous cuisines originating from China, as well as overseas cuisines created by the Chinese diaspora. Because of the Chinese diaspora and historical power of the country, Chinese cuisine has influenced many o ...
s. To impart the traditional way, the food is cooked in a seasoned wok over a high flame while being stirred and tossed quickly. Constant contact with the heat source is crucial as the addition of new ingredients and each toss of the wok inevitably cools the wok down; therefore, cooking over flame is preferred. Consequently, many chefs (especially those with less-than-ideal cookers) may cook in small batches to overcome this problem so that the wok is still as hot as it can be, and to avoid "stewing" the food, instead. When cooking over gas stoves or open flame, it additionally allows for the splattering of fine oil particles to catch the flame into the wok; this is easily achieved when experienced chefs toss the wok and can be a demonstration of experience. For these reasons, cooking over an open flame is preferable to other types of stoves. Cooking with coated woks (e.g. nonstick) notably will not give the distinct taste of , which is partially imbued from previous cooking sessions. In practical terms, the flavor imparted by chemical compounds results from caramelization,
Maillard reaction The Maillard reaction ( ; ) is a chemical reaction between amino acids and reducing sugars that gives browned food its distinctive flavor. Seared steaks, fried dumplings, cookies and other kinds of biscuits, breads, toasted marshmallows, and m ...
s, and the partial combustion of oil that come from charring and searing of the food at very high heat in excess of . Aside from flavor, the texture of the cooked items and smell involved also describe .


Other Asian pans

In
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Gui ...
, a wok-like pan is known as a or (also spelled , from
Javanese language Javanese (, , ; , Aksara Jawa: , Pegon: , IPA: ) is a Malayo-Polynesian language spoken by the Javanese people from the central and eastern parts of the island of Java, Indonesia. There are also pockets of Javanese speakers on the nort ...
, from the root word meaning "
steel Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistan ...
"). In
Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federal constitutional monarchy consists of thirteen states and three federal territories, separated by the South China Sea into two regions: Peninsular Malaysia and Borneo's East Mal ...
, it is called a (small wok) or (big wok). Similarly in the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
, the wok is known as or in
Tagalog Tagalog may refer to: Language * Tagalog language, a language spoken in the Philippines ** Old Tagalog, an archaic form of the language ** Batangas Tagalog, a dialect of the language * Tagalog script, the writing system historically used for Taga ...
, and it is called in Kapampangan, while bigger pans used for festivals and gatherings are known as . In
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
, a similar pan is called '' karahi''. In
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...
, the wok is called a . In South India, the Chinese wok became a part of
South Indian South India, also known as Dakshina Bharata or Peninsular India, consists of the peninsular southern part of India. It encompasses the Indian states of Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, and Telangana, as well as the union territ ...
cooking, where it is called the (literally, "Chinese pot" in
Malayalam Malayalam (; , ) is a Dravidian language spoken in the Indian state of Kerala and the union territories of Lakshadweep and Puducherry ( Mahé district) by the Malayali people. It is one of 22 scheduled languages of India. Malayalam wa ...
and
Tamil Tamil may refer to: * Tamils, an ethnic group native to India and some other parts of Asia ** Sri Lankan Tamils, Tamil people native to Sri Lanka also called ilankai tamils **Tamil Malaysians, Tamil people native to Malaysia * Tamil language, na ...
).


Wok stoves

File:Wok cooking and the heat source by The Pocket in Nanjing.jpg, Preparing food over a modern gas-fired, pit-type wok stove File:WokStove.svg, The two styles of traditional Chinese wok stoves () File:Wok Heater.jpg, Outdoor
charcoal Charcoal is a lightweight black carbon residue produced by strongly heating wood (or other animal and plant materials) in minimal oxygen to remove all water and volatile constituents. In the traditional version of this pyrolysis process, ...
wok stove File:Chinaherd.jpg, Natural
gas burner A gas burner is a device that produces a controlled flame by mixing a fuel gas such as acetylene, natural gas, or propane with an oxidizer such as the ambient air or supplied oxygen, and allowing for ignition and combustion. The flame is ge ...
head from a modern gas stove for woks File:Wok-on-chinese-stove.jpg, A
carbon steel Carbon steel is a steel with carbon content from about 0.05 up to 2.1 percent by weight. The definition of carbon steel from the American Iron and Steel Institute (AISI) states: * no minimum content is specified or required for chromium, coba ...
wok on a Chinese wok stove File:Cooking with a wok on an outdoor stove 2.jpg, A wok on an outdoor
wood stove A wood-burning stove (or wood burner or log burner in the UK) is a heating or cooking appliance capable of burning wood fuel and wood-derived biomass fuel, such as sawdust bricks. Generally the appliance consists of a solid metal (usually cast ...


Traditional

Woks were designed to be used over the traditional Chinese pit-style
hearth A hearth () is the place in a home where a fire is or was traditionally kept for home heating and for cooking, usually constituted by at least a horizontal hearthstone and often enclosed to varying degrees by any combination of reredos (a lo ...
() with the wok recessed into the stove top, where the heat is fully directed at the bottom of the wok. Round grate rings on the edge of the opening provide stability to the wok. There are two styles of traditional wok stoves. The same design aspects of these Chinese stoves can be seen in traditional Japanese stoves. The more primitive style was used outdoors or in well ventilated areas since hot gasses from the firebox exhaust around the wok. The more advanced style, found in better-off households, has a chimney and may be used indoors. These stoves are similar in design to modern
rocket stove A rocket stove is an efficient and hot burning stove using small-diameter wood fuel. Fuel is burned in a simple combustion chamber containing an insulated vertical chimney, which ensures almost complete combustion prior to the flames reaching th ...
s. Pit stoves originally burned wood or coal but are now more typically heated by natural gas with the burner recessed below the stovetop. In areas where natural gas is unavailable, LPG may be used instead. With the adoption of gas and its less objectionable combustion products, the chimney has been replaced by the vent hood. This type of stove allows foods to be stir-fried at a very high heat, sometimes hot enough to deform the wok itself. Professional chefs in Chinese restaurants often use pit stoves since they have the heating power to give food an alluring .


Gas

Traditionally shaped woks can be used on some Western-style (flat-topped) gas stoves by removing a burner cover and replacing it with a "wok ring", which provides stability and concentrates heat. Although not as ideal as "pit stoves", these allow woks to be used in a manner more suitable for their design and are good enough for most tasks required in home cooking. Wok rings are sold in cylindrical and conical shapes. For greatest efficiency with the conical wok ring, position it with the wide side up. This allows the base of the wok to sit closer to the heat source. In recent years, some consumer indoor stoves using natural gas or propane have begun offering higher-BTU burners. A few manufacturers of such stoves, notably
Kenmore Appliances Kenmore is an American brand of household appliances sold by Sears, The brand is owned by Transformco, an affiliate of ESL Investments. As of 2017, Kenmore products are produced by manufacturers including Whirlpool, Samsung, LG, Electrolux, P ...
and Viking Range Corp. now include a specially designed high-output bridge-type wok burner as part of their standard or optional equipment, though even high-heat models are limited to a maximum of around 27,000 BTU (7.9 kW). Because of the high cost of kitchen modifications, coupled with increased heat and smoke generated in the kitchen, more home chefs are using their wok outdoors on high-heat propane burners with curved wok support grates. Many inexpensive propane burners are easily capable of 60,000–75,000 BTU (17.5–22 kW) or more, easily surpassing most in-home gas stoves.


Electric

Woks, round or flat bottomed, do not generally work well for stir-frying or other quick cooking methods when used on an
electric cooker An electric cooker is an electric powered cooking device for heating and cooking of food. An electric cooker often has four stoves and one or two ovens. There will be knobs to determine the temperature of the ovens and stoves. Unlike gas stoves ...
. These stoves do not produce the large amounts of quick even heat required for stir-frying. It is possible, however, to find round-shaped electric stove elements that will fit the curve of a wok, which allows the wok to be heated at its bottom along with part of its sides. A flat-bottomed wok may also work better on an electric stove. Coupled with the lower heat retention of woks, meals stir-fried on electric stoves have a tendency to stew and boil when too much food is in the wok rather than "fry" as in traditional woks, thus not producing . A wok can, however, benefit from the slow steady heating of electric stoves when used for slower cooking methods such as stewing, braising, and steaming, and immersion cooking techniques such as frying and boiling. Many Chinese cooks use Western style cast-iron pans for stir-frying on electric stoves, since they hold enough heat for the required sustained high temperatures. A newer trend in woks is the electric wok, where no stove is needed. This type of wok is plugged into an electrical outlet and the heating element is in the wok. Like stove-mounted non-stick woks, these woks can also only be used at lower temperatures than traditional woks.


Induction

Induction cooker Induction cooking is performed using direct induction heating of cooking vessels, rather than relying on indirect radiation, convection, or thermal conduction. Induction cooking allows high power and very rapid increases in temperature to be a ...
s generate heat in induction-compatible cookware via direct magnetic stimulation of the pan material. While carbon steel and cast iron (the most common wok materials) are induction-compatible metals, induction cooking also requires close contact between the cooking vessel and the induction burner. This presents problems with tossing techniques, where the wok is lifted off the burner and agitated, will break contact and turn off the burner. Traditionally shaped woks, which are round-bottomed, also do not have enough contact with the cooking surface to generate notable heat. Bowl-shaped induction cookers overcome this problem and can be used suitably for wok cooking in locations where gas stoves are not suitable. Flat-bottomed woks make sufficient contact to generate heat. Some cookware makers are now offering round-bottomed woks with a small flat spot to provide induction contact, with a specially designed support ring, and some induction cooktops are now also available with a rounded burner that is able to make contact with the rounded bottom of a traditional wok. In both cases, the food will need to be stirred with a cooking utensil, instead of being tossed by lifting the wok itself.


Advantages

The main advantage of the wok, beyond its constructed material, is its curved, concave shape. This shape produces a small, hot area at the bottom which allows some of the food to be seared by intense heat while using relatively little fuel. The large sloped sides also make it easier for chefs to employ the tossing cooking technique on solid and thick liquid food, with less spillage and a greater margin of safety. The curved sides also allow a person to cook without having to "chase the food around the pan", since bite-sized or finely chopped stir-fry ingredients usually tumble back to the center of the wok when agitated. The curve also provides a larger usable cooking surface versus Western-style pots and pans, which typically have vertical edges. This allows large pieces of food seared at the bottom of the wok to be pushed up the gently sloped sides to continue cooking at a slower rate. While this occurs another ingredient for the same dish needing high heat is being cooked at the bottom. The pointed bottom also allows even small amounts of oil to pool. As such, large food items can be shallow fried, while finely chopped
garlic Garlic (''Allium sativum'') is a species of bulbous flowering plant in the genus '' Allium''. Its close relatives include the onion, shallot, leek, chive, Welsh onion and Chinese onion. It is native to South Asia, Central Asia and northeas ...
,
chili pepper Chili peppers (also chile, chile pepper, chilli pepper, or chilli), from Nahuatl '' chīlli'' (), are varieties of the berry-fruit of plants from the genus ''Capsicum'', which are members of the nightshade family Solanaceae, cultivated for ...
s,
scallion Scallions (also known as spring onions or green onions) are vegetables derived from various species in the genus '' Allium''. Scallions generally have a milder taste than most onions and their close relatives include garlic, shallot, leek, c ...
s, and
ginger Ginger (''Zingiber officinale'') is a flowering plant whose rhizome, ginger root or ginger, is widely used as a spice and a folk medicine. It is a herbaceous perennial which grows annual pseudostems (false stems made of the rolled bases of ...
can be essentially deep-fried in both cases with very small amounts of cooking oil.


See also

*
Chinese cuisine Chinese cuisine encompasses the numerous cuisines originating from China, as well as overseas cuisines created by the Chinese diaspora. Because of the Chinese diaspora and historical power of the country, Chinese cuisine has influenced many o ...
**
Cantonese cuisine Cantonese or Guangdong cuisine, also known as Yue cuisine ( or ) is the cuisine of Guangdong province of China, particularly the provincial capital Guangzhou, and the surrounding regions in the Pearl River Delta including Hong Kong and Macau.H ...
**
Egg fried rice Fried rice is a dish of cooked rice that has been stir-fried in a wok or a frying pan and is usually mixed with other ingredients such as eggs, vegetables, seafood, or meat. It is often eaten by itself or as an accompaniment to another dish. Fr ...
* List of cooking techniques * List of cooking vessels **'' Karahi'', similar pan from India with steeper sides ** Qazan, large cooking vessel from Turkey *
Wok racing Wok racing is a sport developed by the German TV host and entertainer Stefan Raab in which modified woks are used to make timed runs down an Olympic bobsleigh track. There are competitions for and , the latter using four woks per sled. History ...


References


External links

{{cookbook Cooking vessels Cantonese words and phrases Chinese food preparation utensils Chinese inventions