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Tempeh or tempe (; jv|témpé, ) is a traditional Javanese soy product that is made from fermented soybeans. It is made by a natural culturing and controlled fermentation process that binds soybeans into a cake form. A fungus, ''Rhizopus oligosporus'', is used in the fermentation process and is also known as tempeh starter. It is especially popular on the island of Java, where it is a staple source of protein. Like tofu, tempeh is made from soybeans, but it is a whole soybean product with different nutritional characteristics and textural qualities. Tempeh's fermentation process and its retention of the whole bean give it a higher content of protein, dietary fiber, and vitamins. It has a firm texture and an earthy flavor, which becomes more pronounced as it ages.

Etymology

The etymology of the term ''tempe'' is suggested to be derived from Old Javanese ''tumpi'', a whitish food made from fried batter made from sago or rice flour which resembles ''rempeyek''. However, historian Denys Lombard suggests that it is linked to the local term ''tape'' or ''tapai'' which means "fermentation". In the western world, ''tempeh'' is the most commonly used spelling. This is done to prevent readers from incorrectly pronouncing the word as "temp". The first known usage of this spelling is in an 1896 German article. Other spellings, such as ''témpé'', were also used, but ''tempeh'' has become the standard spelling in English since the 1960s.

History

Tempeh originated in Indonesia, almost certainly in central or east Java with an estimated discovery between a few centuries ago to a thousand years or more. The invention of ''tempeh'' cannot be separated from the origin of fungus, which is the important part of fermentation. This fungus consists of myceliums that grow on teakwood and sea hibiscus leaves, which native Javanese people often used (and still do) as food wrappings. In fact, in traditional tempeh making, an ''usar'' (a mycelium-filled leaf) is used, instead of store bought ''ragi''. The type of soybean firstly used to make tempeh is the black soybeans, which grew as a native plant. This later changed with the importation of white/yellow soybeans and the rise of the tofu industry on the island.

Debate over origins

Murdijati Gardjito, a food historian from Universitas Gadjah Mada, argued that tempeh was made by native Javanese people, and that its preparation predates the introduction of Chinese-style tofu products. Some ancient texts mention ''tempe dhele'' or "native soybean tempeh": in old Javanese language, ''dhele'' was used to referred to the native soybean variant. White soybeans that are used to make most tempe dhele today was used to be called ''dhele putih'' (white soybeans), which was only available in Java centuries later. Mary Astuti, a food historian specialized in ''tempeh,'' from Universitas Gadjah Mada, argued that the native variant of soybean had been grown before the Chinese arrived in the region. Sri Tandjung noted that Javanese had been eating cooked (native black) soybeans since the 12 century. By the 16th or the 19th century, depending on which period of time the writer of Serat Centhini referred to, Javanese people had mastered the art of cooking with tempeh, where it was not only eaten as is, but converted into different types of dishes, showing a full understanding and mastery of the food product. Gardjito noted that Javanese noble families rarely wrote about tempeh in ancient texts because it had never been a part of royal cuisine, but a staple meal of the lower classes. Chinese Indonesian historian Ong Hok Ham suggests that tempeh might have been produced as a byproduct of ''tahu'', the Indonesian word for tofu. He argued that the two food products are made of the same ingredient and that genetically speaking, soybeans are from China, though the specific variant was never mentioned. Food journalist, Andreas Maryoto, supported this idea, saying that tempeh might have been accidentally produced as the by-product of the tofu industry in Java in the 17th century; as discarded soybeans caught the spores of a whitish fungus that was found to be edible. However, tahu was (and is still) made of white soybeans (''Glycine max'', native to Japan and China), as opposed to the earliest version of tempe dhele that was made of native black soybeans (''Glycine soya''). Tahu (tofu) made its way to Kediri in the 13th and was consumed by Mongolians who arrived in Java. Later, it was popular among rich people only (the complex making process and imported white soybeans led to its high price). Around 17th or 19th century, tahu (tofu) became available to everyone. Tempeh was later made with the now available white soybeans, leading to the decreased use of its native black variant. Black soybeans have been replaced by other commodity plants since. As the original version of ''tempe dhele'' is forgotten, and that as tahu had now become the common people's meal, the dependence of imported white soybeans grows.

Production

Tempeh begins with whole soybeans, which are softened by soaking, and dehulled, then partly cooked. Specialty tempeh may be made from other types of beans, wheat, or may include a mixture of beans and whole grains. The principal step in making tempeh is the fermentation of soybeans which undergo inoculation with ''Rhizopus'' spp. molds, a type of filamentous fungus most widely used for the production of tempeh. A fermentation starter containing the spores of fungus ''Rhizopus oligosporus'' or ''Rhizopus oryzae'' is mixed in. The beans are spread into a thin layer and are allowed to ferment for 24 to 36 hours at a temperature around 30°C (86°F). The soybeans have to cool down to allow spore germination and abundant growth of mycelium. Later, the temperature of the beans will naturally rise and rapid mold growth happens for around 4 hours. As mold growth declines, the soybeans should be bound into a solid mass by the mycelium. In good tempeh, the beans are knitted together by a mat of white mycelium. Typically, tempeh is harvested after 48 hours of fermentation with its distinguishable whitish color, firm texture, and nutty flavor. Extended fermentation time results in an increase in pH and undesirable color darkening in the tempeh. During the fermentation process, optimal time of fermentation, temperature, oxygen, humidity, and pH levels are required to encourage the growth of the ''Rhizopus'' mold, while discouraging the growth of undesired microorganisms. The pH level should be kept around 3-5 by adding a mild acidulant such as vinegar, lactic acid, or acetic acid, thereby favoring mold growth and restricting the growth of spoilage microorganisms. Oxygen is required for ''Rhizopus'' spp. growth, but should be maintained at low levels to prevent the production of undesired microorganisms. Under conditions of lower temperature, or higher ventilation, gray or black patches of spores may form on the surface—this is not harmful, and should not affect the flavor or quality of the tempeh. This sporulation is normal on fully mature tempeh. A mild ammonia smell may accompany good tempeh as it ferments, but it should not be overpowering. Traditional tempeh is often produced in Indonesia using ''Hibiscus tiliaceus'' leaves. The undersides of the leaves are covered in downy hairs (known technically as trichomes) to which the mold ''Rhizopus oligosporus'' can be found adhering in the wild. Soybeans are pressed into the leaf, and stored. Fermentation occurs resulting in tempeh. In particular, the tempeh undergoes salt-free aerobic fermentation.


Dry matter losses and yield


During the processing of soybeans to make tempeh there are inevitable losses of material due to the removal of the hulls and the leaching of soluble compounds during the soaking, washing and cooking stages. Hulls constitute about 8% of the dry beans and losses due to the leaching of soluble compounds equate to 12 - 17% of the dry beans. The oligosaccharides, stachyose, raffinose and sucrose, can constitute up to 50% of the soluble materials lost. During the fermentation there is some further loss of material due to respiration by the mold and the oxidation of compounds to carbon dioxide and water. Reported losses of dry matter during the fermentation range from 2.1 to 10%. Hence, the overall yield of tempeh is in the range of 72-78 g tempeh per 100 g soybeans on a dry matter basis. In practical terms, this means that 100 g dry soybeans (7-9% moisture content) will yield about 170 to 210 g fresh tempe (61-64% moisture content).


Determining quality


Once tempeh is produced, it is divided into three categories based on its quality: good, unfinished, and inedible. Good tempeh includes beans that are bound into a firm, compact cake by a dense, uniform, white mycelium, which should permeate the entire cake; the beans should be barely visible. The odor of good tempeh should be pleasant, clean, subtly sweet or resemble the aroma of mushrooms. The entire tempeh should lift as a single, cohesive cake without crumbling when shaken gently. Unfinished tempeh has beans that are bound together loosely by a sparse white mycelium, hence it crumbles easily. Unfinished tempeh should be incubated longer unless it has been incubated more than 8 hours past the recommended time. If it has been incubated for enough time and still remains unfinished, it should be discarded. Inedible tempeh has beans with foul odor, resembling strong ammonia or alcohol, indicating the development of undesirable bacteria due to excess moisture or overheating. Inedible tempeh cake is wet, slimy, and mushy with a collapsed structure. Its color is tan to brown and mold develops in sparse patches.


Packaging


Food grade wrapping paper and perforated polyethylene bags are the most suitable materials for packaging tempeh. They have demonstrated good retention of the quality of tempeh and extension of the shelf life of tempeh for three days compared to fresh tempeh. Appropriate packaging is important as it provides optimum oxygen supply and temperature for inoculation and fermentation to occur during processing. Tempeh is a perishable food and must be wrapped and placed into the refrigerator or freezer immediately after incubation or other processing steps such as blanching. In the refrigerator or freezer, stacking of tempeh should be minimized to prevent overheating and the undesirable, gradual continuation of fermentation, both of which shorten the storage life of tempeh. Even under cold temperature, tempeh continues to respire and undergo slow decomposition from microorganisms and its natural enzymes. Therefore, tempeh should be well cooled for at least two to five hours in a cooler before they undergo further packaging. Tempeh packaged in perforated polyethylene bags is usually repacked inside another labeled, non-perforated bag for distribution and sale, and for easier labeling. If the tempeh is only packaged in one perforated bag, the label must be directly attached to the perforated surface with the use of government food contact approved adhesive. They are then bulk packed in cartons and returned to the refrigerator or freezer to await shipment.

Nutrition

The soy carbohydrates in tempeh become more digestible as a result of the fermentation process. In particular, the oligosaccharides associated with gas and indigestion are greatly reduced by the ''Rhizopus'' culture. In traditional tempeh-making shops, the starter culture often contains beneficial bacteria that produce vitamins such as B12 (though it is uncertain whether this B12 is always present and bioavailable). In western countries, it is more common to use a pure culture containing only ''Rhizopus oligosporus'', which makes very little B12 and could be missing ''Citrobacter freundii'' and ''Klebsiella pneumoniae'', which have been shown to produce significant levels of B12 analogs in tempeh when present. Whether these analogs are true, bioavailable B12 has not been thoroughly studied yet. The fermentation process also reduces the phytic acid in soy, which in turn allows the body to absorb the minerals that soy provides.

Preparation

In the kitchen, tempeh is often simply prepared by cutting it into pieces, soaking in brine or a salty sauce, and then fried. In Java, tempeh is often traditionally prepared by cutting it into pieces, marinated in a mixture of ground garlic, coriander and turmeric, salt and water; then deep fried, and often served with ''sambal ulek'' chili paste. Cooked tempeh can be eaten alone, or used in chili, stir fries, soups, salads, sandwiches, and stews. Tempeh's complex flavor has been described as nutty, meaty, and mushroom-like. It freezes well, and is now commonly available in many western supermarkets, as well as in ethnic markets and health food stores. Tempeh can be steamed, marinated, thinly sliced, blackened, or crumbled into sauces and stews. Tempeh performs well in a cheese grater, after which it may be used in the place of ground beef (as in tacos). When thin-sliced and deep-fried in oil, tempeh obtains a crisp golden crust while maintaining a soft interior. Its sponge-like consistency makes it suitable for marinating. Dried tempeh (whether cooked or raw) is more portable and less perishable and may be used as a stew base. Sometimes when tempeh is diced and left, they will create white feathery fluff which bonds the cut—this is the Rhizopus mold still growing—this is normal and perfectly edible.

Types

The most common and widely known tempeh is made from fermented soybeans, called ''tempeh kedele'' or ''tempeh dele'', made from controlled fermentation of soybeans. However, traditionally other ingredients such as ''ampas tahu'' (tofu dregs/okara), ''ampas kelapa'' (coconut dregs) and peanuts may be used in a fashion similar to the tempeh making process, although perhaps using different fungi or attracting other microbes like ''kara benguk'' or ''kara pedhang'', which can be toxic if not prepared correctly. A related product to tempeh is ''oncom'', which is made from peanut press cake or soy dregs and is prevalent in Sundanese culture in West Java. There are two types of oncom: a bright red-orange kind with ''Neurospora sitophila'', and a black one with the same fungi as tempeh uses. Tempeh can also be differentiated according to its degrees of maturity (i.e. the mycelium's growth/age). ''Tempe mondhol'' is a tempeh that is not fully fermented, that is the mycelium hasn't fully covered the surface. The taste of the beans is more solid and profound. Sometimes tempeh is left to ferment further, creating more pungently varieties: ''Tempe wayu'' (a day old tempeh), i.e. when the tempe starts to age; ''Tempe semangit'' (a few-days old tempeh), i.e. when the tempe becomes yellowish, a bit slimy, and the smell becomes more potent; and ''tempe bosok'' (lit. rotten tempeh), when the mycelium has acquired a blackened coloration and the product has a putrid smell. Some types of tempeh are made of ingredients that would be otherwise wasted if not used. According to traditional Javanese customs, wasting food is deemed as a sign of disrespect to Nature and other beings, and encourages efforts to use every part of an ingredient. The wrappings used in tempeh making can contribute to its flavor and aroma. Though some prefer the traditional banana, ''waru'' or teak leaf, readily available plastic sheet wrappings have been increasingly widely used.

''Tempeh gembus''

Soft and fluffy tempeh made from soy pulp or tofu dregs. Tempeh gembus usually can be found in traditional markets of Java, at a price lower than that of common soybean tempeh. It is made into a variety of dishes; for example it can be battered and/or fried, used in ''sayur lodeh'', or ''tempeh bacem''. ''Tempeh gembus'' is known by different names across Java; for example as ''tahu cokol'' or ''tahu susur'' in Temanggung.

''Tempeh semangit''

In Indonesia, ripe tempeh (two or more days old) is considered a delicacy. Names include ''tempeh semangit'' ("stinky tempeh") in Java, ''hampir busuk'' ("almost rotten") tempeh or ''tempeh kemarin'' ("yesterday tempeh"). Having a slightly pungent aroma, small amounts are used as a flavoring agent in traditional Javanese ''sayur lodeh'' vegetable stew and ''nasi tumpang''.

''Tempeh gódhóng''

In Javanese, the term ''gódhóng'' means "leaf". Traditionally tempeh is wrapped in organic banana leaf, ''gódhóng waru'' (''Hibiscus tiliaceus'' leaf) or ''gódhóng jati'' (teak leaf).

''Tempeh murni''

Pure soybean cake, tempeh made in plastic wrap without any fillings or additives such as grated raw papaya. This was meant to create a more "hygienic and pure" tempeh free from any impurities or unwanted microbes.

''Tempeh menjes kacang''

A specialty of Malang, the rough textured ''tempeh menjes kacang'' is made from black soybeans mixed with other ingredients, such as peanut dregs, cassava fiber, and soybean meal. The process of making ''menjes kacang'' is quite similar to black oncom.

''Tempe bongkrèk''

''Tempeh bongkrèk'' is a variety of tempeh from Central Java, notably Banyumas, it is prepared with coconut dregs. This type of tempeh has led to several cases of fatal food poisoning, as it occasionally gets contaminated with the bacterium ''Burkholderia gladioli'', and the unwanted organism produces toxins (bongkrek acid and toxoflavin) from the coconut, besides killing off the ''Rhizopus'' fungus due to the antibiotic activity of ''bongkrek'' acid. Fatalities from contaminated ''tempeh bongkrèk'' were once common in the area where it was produced. Thus, its sale is now prohibited by the law; clandestine manufacture continues, however, due to the popular flavor. The problem of contamination is not encountered with bean and grain tempeh, which have a different composition of fatty acids that is not favorable for the growth of ''B. gladioli'', but encourages growth of ''Rhizopus'' instead. When bean or grain tempeh has the proper color, texture and smell, it is a very strong indication the product is safe. Yellow ''tempeh bongkrèk'' is always highly toxic due to toxoflavin, but ''tempeh bongkrèk'' with a normal coloration may still contain lethal amounts of ''bongkrek'' acid.

Oat tempeh

A form of tempeh based on barley and oats instead of soy was developed by scientists at the Swedish Department of Food Science in 2008. It can be produced in climatic regions where it is not possible to grow soybeans.


Cooking methods and recipes


The simplest way to cook tempeh is by frying. It is both deep-fried and stir-fried. However, there are several cooking methods and recipe variations. Among others are:

''Tempeh goreng''

Probably the simplest and most popular way to prepare tempeh in Indonesia. The tempeh is sliced and seasoned in a mixture of ground garlic, coriander seeds and salt, and then deep fried in palm oil. The tempe might be coated in batter prior to frying, or directly fried without any batter.

''Tempeh bacem''

''Tempeh bacem'' is a traditional Javanese dish originating in Central Java. ''Bacem'' is a Javanese cooking method of braising in spices and palm sugar boil it in a closed place until the water runs out. The tempeh is first braised in a mixture of coconut water, palm sugar, and spices including coriander seeds, shallots, galangal, and bay leaves, and then briefly deep-fried. The result is a moist, sweet and spicy, dark-colored tempeh. Tofu may also be used, yielding ''tahu bacem''.

''Tempeh mendoan''

This variation is often found in Purwokerto. The word ''mendoan'' originates in the Banyumas regional dialect, and means "flash-fried". The tempeh is first dipped in spiced flour before quickly frying in very hot oil, resulting in a product that is cooked on the outside, but raw or only partially so on the inside. It has a limp, soft texture compared to the more common, crisp, fully fried tempeh.

''Tempeh kering''

Also known as ''kering tempeh'' (lit: "dry tempeh"), or ''sambal goreng tempeh'' if mixed with plenty of hot and spicy ''sambal'' chili pepper sauce. It is a crispy, sweet and spicy, fried tempeh. The raw tempeh is cut into small sticks and thoroughly deep-fried until no longer moist, and then mixed with palm sugar, chili pepper or other spices, or with sweet soy sauce. Often it is mixed with separately fried peanuts and anchovies (''ikan teri''). This dry tempeh will keep for up to a month if cooked and stored properly.

''Tempeh orek'' or ''orak-arik tempeh''

This variation is almost identical to ''tempeh kering'', but is more soft and moist. The sweet taste is due to generous addition of ''kecap manis'' (sweet soy sauce).

''Tumis tempeh'' or ''oseng tempeh''

Stir-fried tempeh with vegetables such as green bean, basil, or onion, with spices. Other recipes might add coconut milk for a milky-colored, and rather moist, stir-fried tempeh.

''Tempeh penyet''

Fried tempeh mixed with ''sambal'' chili paste in a mortar and pestle. Usually served in addition to other ''penyet'' dishes, such as ''ayam penyet'' (chicken) or ''iga penyet'' (ribs).

''Tempeh satay''

Tempeh skewered and grilled as satay. ''Sate kere'' (Javanese for "poorman's satay") from Solo in Central Java is made from fluffy ''tempeh gembus''. Ground tempeh can also be made into a thick sauce, such as in ''sate ambal'', a chicken satay from Kebumen, Central Java where tempeh flavored with chili and spices replaces the more common peanut sauce.

''Kripik tempeh''

''Kripik'' tempeh snack crackers; a thinly sliced tempeh, battered and deep fried until crispy. It is popular across Java, but notably produced in Bandung, West Java.

Grilled tempeh

Grilled tempeh over charcoal or fire.

Tempeh sandwich or tempeh burger

Fried, grilled or otherwise cooked tempeh patties, sandwiched between slices of bread or hamburger buns with salad, sauces or seasonings. File:Indonesian fried tempeh.JPG|The common ''tempeh goreng'' (un-battered) in Indonesia File:Tempeh.jpg|Fried tempeh (battered) sold at a food court in Singapore File:Tempe bacem lauk soto Pak Marto.JPG|''Tempeh bacem'' File:Tempe Mendoan Kebumen Super Nampol.jpg|''Tempeh mendoan'' File:Sambal goreng tempe.JPG|''Kering tempeh'' or ''sambal goreng tempeh'' File:Orak-arik tempe.JPG|''Tempeh orek'' or ''orak-arik tempeh'' File:Sambal tempe penyet kemangi.JPG|''Tempeh penyet'' File:Tempe goreng snack.JPG|Crispy ''kripik'' tempeh as a snack File:Menjes kacang Malang goreng.JPG|Fried ''menjes kacang'' File:Grilled tempeh and vegetables (7603211410).jpg|Grilled tempeh File:TLT sandwich.jpg|Tempeh sandwich

Preservation

Freshly made, raw tempeh remains edible for a few days at room temperature. It is neither acidic nor does it contain significant amounts of alcohol. It, however, does possess stronger resistance to lipid peroxidation than unfermented soybeans due to its antioxidant contents. Cooked as ''tempeh kering'', the deep fried and seasoned bits of tempeh can last for a month or more and still be good to consume, if cooked correctly and stored properly in air-tight jar. The deep frying process removes the moisture, preventing further fermentation and deterioration, thus prolonging its shelf life.


Antimicrobial agents


''Rhizopus oligosporus'' culture responsible for the fermentation of tempeh from soybean produces natural, heat stable antimicrobial agents against spoilage and disease-causing microorganisms, extending the shelf life of the fermented product through microbial antagonism. The mold is capable of inhibiting the growth of other fungi such as ''Aspergiluus flavus'' and ''Aspergillus parasiticus'' by interfering with the accumulation of aflatoxin (especially aflatoxin B1), the mycotoxin of greatest concern. ''R. oligosporus'' has also been reported to produce four to five antibacterial substances during fermentation process. It produces phenolic compounds against pathogenic bacteria such as ''Helicobacter pylori'' and an antibacterial protein has been identified with activities against ''Bacillus'' species (especially against ''Bacillus subtilis'' and Bacillus cereus), ''Staphylococcus aureus'', and ''Steptococcus cremoris''.


Non-refrigerated fresh tempeh


Tempeh can be sold and consumed fresh within 48 hours once removed from its incubator. It is commonly transported to the market in its incubation container (e.g. polyethylene bag, banana leaf wrapper, etc.) and placed in the shade. In areas with warmer climates, tempeh can be kept at room temperature for 1–3 days before it becomes overripe. In locations with more temperate temperatures, it can keep for 1–4 days but will usually need to be refrigerated to prevent spoilage.


Refrigeration


Fresh refrigerated tempeh should be sealed in a labeled polyethylene bag and kept in temperatures below . It can be kept at this temperature for 3–5 days and sometimes, even as long as a week. Storage life could be extended to 2 or 3 weeks if the tempeh is blanched or steamed prior to refrigeration due to the inactivation of enzymes and destruction of bacteria.


Freezing


Freezing is the preferred way to preserve tempeh due to its capability for wide distribution. Tempeh can be frozen whole or in slices, depending on preference. During the freezing process, whole tempeh is placed in its perforated wrapper whereas sliced tempeh is packaged in a labelled polyethylene bag prior to being sealed in an outer bag and then frozen immediately. This method will keep for months with only a small loss of texture and flavor.


Blanching


Blanching tempeh by steaming or parboiling helps to extend the storage life by preventing bacterial growth, stopping mold growth and inactivating enzymes. Steaming appears to have a less negative effect than parboiling in terms of texture, flavor and nutritional value. Blanching is a great method for preserving tempeh prior to refrigeration, though not as beneficial for tempeh that is to be frozen.


Dehydration





Air tray drying


Tempeh can be dried via the air tray drying method. Cubes of tempeh placed on steel, mesh bottom trays are dried by the circulating hot air dryer. After the product is finished, they can be cut into squares at for 90 to 120 minutes in order to reduce moisture content to 2-4%. When placed in moisture proof Pliofilm bags, the tempeh has a shelf life of several months at room temperature. Although this is a convenient method that produces a shelf stable product without requirement of refrigeration, the process of hot air drying can cause a significant loss of nutritional content such as the soluble solids and nitrogen protein content.


Sun drying


This preservation method is most economical out of all methods. The tempeh can be blanched prior to dehydration to preserve flavor and prolong shelf life. Tempeh is exposed to internal solar dryer temperature of in this method. A disadvantage of this method is that sunlight can destroy some of the vitamin B12 of tempeh.


Freeze drying


This method is the most expensive out of all dehydration methods but provides the advantage of long stable shelf life at room temperature and an excellent retention of soluble nutrients (nitrogen protein and other solids). The product undergoes quick freeze at and then dried at a moderate temperature inside a strong vacuum. Due to the pricey nature of the equipment, the final product price will be higher than tempeh preserved through other methods.


Spray drying


As this method is traditionally used for small particles, it is used to produce tempeh powder for products such as soups, breads, tortillas, etc. However, this method can be expensive due to the bulky nature of the equipment.


Deep frying


This method produces ready to eat tempeh products. A culinary oil with a high smoke point, such as rapeseed, soy, safflower, peanut, or coconut oil, is heated to in the deep fryer. The tempeh is deep fried until golden brown and crisp, and then cooled quickly in a sterile environment to be sealed in Pliofilm bags and stored in a cool, dry place. The shelf life of this product lasts around a week but can be extended if the tempeh is sun dried or oven dried prior to deep frying.

See also

* List of fermented soy products * List of meat substitutes * List of soy-based foods *''Miso'' *''Nattō'' *''Oncom'' *''Tapai'' *

References

{{Authority control Category:Fermented soy-based foods Category:Soy-based foods Category:Meat substitutes Category:Vegetarian cuisine Category:Vegan cuisine Category:Javanese culture Category:Vegetarian dishes of Indonesia