Quark (dairy product)
Quark or quarg is a type of fresh dairy product made by warming soured milk until the desired amount of curdling is met, and then straining it. It can be classified as fresh acid-set cheese. Traditional quark can be made without rennet, but in modern dairies small quantities of rennet are typically added. It is soft, white and unaged, and usually has no salt added.
It is common in the cuisines of German-speaking countries (Germany, Austria, Switzerland, Liechtenstein, Luxemburg), northern Europe (Denmark, Estonia, Finland, Iceland, Latvia, Lithuania, Norway, Sweden), the Netherlands, Hungary, Belgium, Albania, Israel, Romania, of Slavic peoples (e.g. Czechs, Slovaks, Poles, Russians, Ukrainians and Belarusians, Slovenes, Croats, Macedonians, Bulgarians, and Serbs), and of Ashkenazi Jews.
Dictionaries sometimes translate it as curd cheese, cottage cheese, farmer cheese or junket. In Germany, quark and cottage cheese are considered to be different types of fresh cheese, while in Eastern Europe cottage cheese is usually viewed as a type of quark (e.g. Russian for cottage cheese is "зернёный творог" zernyony tvorog, literally "grainy quark").
Quark is similar to French fromage blanc, Indian paneer, and the queso fresco/queijo fresco made in the Iberian Peninsula and in some Latin American countries. It is distinct from Italian ricotta because ricotta (Italian "recooked") is made from scalded whey. Quark is somewhat similar to yogurt cheeses such as the South Asian chak(k)a, the Arabic labneh, and the Central Asian suzma or kashk, but while these products are obtained by straining yogurt (milk fermented with thermophile bacteria), quark is made from soured milk fermented with mesophile bacteria.
Quark is possibly described by Tacitus in his book Germania as lac concretum ("thick milk"), eaten by Germanic peoples. However, this could also have meant soured milk or any other kind of fresh cheese or fermented milk product.
Although quark is sometimes referred to loosely as a type of "cottage cheese", they can be distinguished from the different production aspects and textural quality, with the cottage cheese grains described as more chewy or meaty.
The word Quark (Late Middle High German: quarc, twarc, zwarg; Lower Saxon: dwarg), with usage in German documented since the 14th century, is thought to derive from a West Slavic equivalent, such as Lower Sorbian twarog, Upper Sorbian twaroh, Polish twaróg, Czech and Slovak tvaroh, and is also cognate with Russian tvorog (творог), Bulgarian tvarog (тваро̀г) and Belarusian: tvarog (тварог).
The original Old Slavonic *tvarogъ is supposed to be related to the Church Slavonic творъ, tr. tvor, meaning "form". The meaning can thus be interpreted as "milk that solidified and took a form". The word formation is thus similar to that of the Italian formaggio and French fromage.
- More cognates and forms
In several languages quark is also known as "white cheese" (French: fromage blanc, southern German: Weißkäse or weißer Käs, Hebrew: גבינה לבנה, translit. gevina levana, Lithuanian: baltas sūris, Polish: biały ser, Serbian: beli sir), as opposed to any rennet-set "yellow cheese". Another French name for it is fromage frais (fresh cheese), where the difference to fromage blanc is defined by French legislation: a product named fromage frais must contain live cultures when sold, whereas with fromage blanc fermentation has been halted. In Swiss French, it is usually called séré.
In Austria, the name Topfen (pot cheese) is common. In Flanders, it is called plattekaas (flat cheese). In Finnish, it is known as rahka, while in Estonian as kohupiim (foamy milk), in Lithuanian as varškės sūris (curd cheese), and in Latvian as biezpiens (thick milk). Its Italian name is giuncata or cagliata (curd). Among the Albanians quark is known as gjizë.
Quark is a member of the acid-set cheese group, whose coagulation mainly relies on the acidity, produced by lactic acid bacteria feeding on the lactose.[a] But moderate amounts of rennet have also been in use, both at the home consumption level and the industrial level.
Manufacture of quark normally uses pasteurized skim milk as main ingredient, but cream can be added later to adjust fat content. The lactic acid bacteria are introduced in the form of mesophilic Lactococcus starter cultures. In the dairy industry today, quark is mostly produced with a small quantity of rennet, added after the culture when the solution is still only slightly acidic (ph 6.1). Acidification allowed to continues until the pH reaches around 4.6, at which acidity level the casein proteins in the milk begins to precipitate.
In Germany, the curd is continuously stirred to prevent it from getting hard, resulting in a thick, creamy texture. According to German regulations on cheese (Käseverordnung), "fresh cheeses" (Frischkäse) such as quark or cottage cheese must contain at least 73% water in the fat-free component. German quark is usually sold in plastic tubs with most or all of the whey. This type of quark has the firmness of sour cream but is slightly drier, resulting in a somewhat crumbly texture (like ricotta).
The basic quark citation needed] this basic quark or skimmed quark (Magerquark) must under German Law have less than 10% fat by dry mass. Quark with higher fat content is made by adding cream after cooling. It has a very smooth and creamy texture and is slightly sweet (unlike sour cream). A firmer version called Schichtkäse (layer cheese) is often used for baking. Schichtkäse is distinguished from quark by having an added layer of cream sandwiched between two layers of quark.[
In the 19th century, there was no industrial production of quark (as end-product) and it was produced entirely for home use. In the traditional home-made process, the milk would be allowed to let stand until it soured naturally by the presence of naturally occurring bacteria, although the hardening could be encouraged with the addition of some rennet.
Some or most of the whey is removed to standardize the quark to the desired thickness. Traditionally, this is done by hanging the cheese in a muslin bag or a loosely woven cotton gauze called cheesecloth and letting the whey drip off, which gives quark its distinctive shape of a wedge with rounded edges. In industrial production, however, cheese is separated from whey in a centrifuge and later formed into blocks.
Most of the Austrian and other Central and Eastern European varieties contain less whey and are therefore drier and more solid than the German and Scandinavian ones.
Under Russian governmental regulations, the tvorog is distinguished from cheeses, and classified as a separate 
Typical tvorog usually contain 65-80% water out of the total mass.
The Israeli gevina levana is a creamy variety similar to the German types of quark. The Russian-style quark was introduced to Israel during the Aliyah of the 1990s by immigrants from the former Soviet Union, and is now available under the name tvorog.
Various cuisines feature quark as an ingredient for appetizers, salads, main dishes, side dishes and desserts.
In Germany, quark is sold in cubic plastic tubs and usually comes in three different varieties, Magerquark (skimmed quark, <10% fat by dry mass.), "regular" quark (20% fat in dry mass[b]) and Sahnequark ("creamy quark", 40% fat in dry mass[c]) with added cream. Similar gradations in fat content are also common in Eastern Europe.
While Magerquark is often used for baking or is eaten as breakfast with a side of fruit or muesli, Sahnequark also forms the basis of a large number of quark desserts (called Quarkspeise when homemade or Quarkdessert when sold in German.).
Dishes in German-speaking areas
One common use for the quark is in making cheesecake called Käsekuchen or Quarkkuchen in Germany. Quark cheesecake is called Topfenkuchen in Austria. The Quarktorte in Switzerland may be equivalent, though this has also been described as a torte that combines quark and cream.[d] There is also the kwarktaart in neighboring Netherlands. In these cakes, the quark is typically mixed with eggs, milk or cream, and sugar, and baked or fried.
Quark is also often used as an ingredient for sandwiches, salads, and savory dishes. Quark, vegetable oil and wheat flour are the ingredients of a popular kind of dough, called Quarkölteig, used in German cuisine as an alternative to yeast-leavened dough in home baking, since it is considerably easier to handle and requires no rising period. The resulting baked goods look and taste very similar to yeast-leavened goods, although they do not last as long and are thus usually consumed immediately after baking.
In Germany, quark mixed with chopped onions and herbs like parsley and chives is called Kräuterquark. Kräuterquark is commonly eaten with boiled potatoes and has some similarity to tzatziki which is based on yoghurt. Quark with linseed oil and potatoes is the national dish of the Sorbs in Lusatia. Quark also has been used among Ashkenazi Jews.
Desserts uisng quarks (Russian: tvarog, etc.) in Slavic regions include the tvarohovník in Slovakia, tvarožník in Czech Republic, sernik in Poland, and syrnik in Ukraine) and cheese pancakes (syrniki in Russia and Ukraine).
In Poland, twaróg is mixed with mashed potatoes to produce a filling for pierogi. Twaróg is also used to make gnocchi-shaped dumplings called leniwe pierogi ("lazy pierogi"). Ukrainian recipes for vareniki or lazy vareniki are similar but tvorog and mashed potatoes are different fillings which are usually not mixed together.
In Russia, Ukraine, and Belarus, tvorog (Russian: творог) is highly popular and is bought frequently by almost every family. As a result, tvorog is a member of the official minimal basket of foods in Russia. In Russian families, it is especially recommended for growing babies. It can be enjoyed simply with sour cream, or jam, sugar, sugar condensed milk, or as a breakfast food. It is often used as a stuffing in blinchiki offered at many fast-food restaurants. It is also commonly used as the base for making Easter cakes. It is mixed with eggs, sugar, raisins and nuts and dried into a solid pyramid-shaped mass called paskha. The mass can also be fried, then known as syrniki.
In Latvia, quark is eaten savory mixed with sour cream and scallions on rye bread or with potatoes. In desserts, quark is commonly baked into biezpiena plātsmaize, a crusted sheet cake baked with or without raisins. A sweetened treat biezpiena sieriņš (small curd cheese) is made of small sweetened blocks of quark dipped in chocolate.
Estonian Quark is evaluated on olfaction, vision, taste, after taste, and texture and is distributed nationally as well as to nearby regions.
Availability in other countries
Although common in continental Europe, manufacturing of quark is rare in the Americas. A few dairies manufacture it, such as the Vermont Creamery in Vermont, and some specialty retailers carry it. Lifeway Foods manufactures a product under the title "farmer cheese" which is available in a variety of metropolitan locations with former Russian populations. Elli Quark, a Californian manufacturer of quark, offers soft quark in different flavors. In Canada, the firmer East European variety of quark is manufactured by Liberté Natural Foods; a softer German-style quark is manufactured in the Didsbury, Alberta, plant of Calgary-based Foothills Creamery. Glengarry Fine Cheesemaking in Lancaster (Eastern Ontario) also produces Quark. Also available in Canada is the very similar Dry Curd Cottage Cheese manufactured by Dairyland. Quark may also be available as "baking cheese", "pressed cottage cheese", or "fromage frais".
In Australia, Ukrainian traditional quark is produced by Blue Bay Cheese in Mornington Peninsula. It is also sometimes available from supermarkets labelled as quark or quarg.
In the United Kingdom, fat-free quark is produced by several independent manufacturers based throughout the country. All the big four supermarkets in the UK sell their own branded quark, as well as other brands of quark.
- This group is distinguished from the "rennet cheeses", whose coagulation relies primarily on the action of rennet, in Fox's classification scheme (1993).
- 20% FDM is also referred to as "half fat".
- 40% FDM is also referred to as "full fat".
- "Was in der deutschen Schweiz eine Quarktorte, ist in Deutschland eine Käsesahnetorte, denn Käsesahne ist eine süsse Creme aus Quark und Sahne."
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- Greek names for cheese.
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