Some of these ingredients have not been popular in local or neighbouring non-Jewish communities due to a history of limited interaction between Ashkenazi Jews and non-Jews.
[3] Ashkenazi Jews are a Jewish diaspora population which coalesced in the Holy Roman Empire around the end of the first millennium CE.
[4] Ashkenazi communities have also historically been present in the Banat, a region in central and eastern Europe that consists of parts of present-day Serbia, Romania, and Hungary.
However, the wealthy had access to imported goods like spices, olive oil, and exotic fruits, and they were able to eat meat more frequently.
[7] Evidence of cross-cultural culinary exchange between Ottoman and Ashkenazi cuisines can be seen most readily in the food of Jews in the Banat, Romania, and Moldova, particularly pastrami and karnatzel.
[10] Root vegetables such as turnips, beets, parsnips, carrots, black radish and potatoes historically made up a large portion of the Ashkenazi diet in Europe.
[15] In the early 21st century, however, increased interest in heritage and food history, including that of Ashkenazi Jews, has resulted in efforts to revitalize this cuisine.
[16] The hamentash, a triangular cookie or turnover filled with fruit preserves (lekvar), chocolate or honey and black poppy seed paste, is eaten on the Feast of Purim.
The dough of challah (called barkhes in Western Yiddish, also known as koilitsh) is often shaped into forms having symbolical meanings; thus on Rosh Hashanah rings and coins are imitated, indicating "May the new year be as round and complete as these"; for Hosha'na Rabbah and the shabbes after pesach, bread is baked in the form of a key, meaning "May the door of heaven open to admit our prayers.
Gribenes or "scraps", also called griven, the cracklings left from the rendering process were one of the favorite foods of the former Jewish community in Eastern Europe.
Even though fish is parve, when they are served at the same meal, Orthodox Jews will eat them during separate courses and wash (or replace) the dishes in between.
[20] The religious reason for a boneless fish dish for Shabbat is the prohibition of separating bones from food while eating (borer).
A more common commercially packaged product found today is the "Polish" gefilte-fish patties or balls, similar to quenelles, where sugar is added to the broth, resulting in a slightly sweet taste.
The combination of smoked salmon, or whitefish with bagels and cream cheese is a traditional breakfast or brunch in American Jewish cuisine, made famous at New York City delicatessens.
Because having a live cow was more valuable than to eat meat in the Middle Ages, Jews used fillers such as breadcrumbs and vegetables to mix with ground beef.
A spread of chopped liver, prepared with caramelized onions and often including gribenes, is a popular appetizer, side dish, or snack, especially among Jews on the east coast of North America.
The essig or, as it is sometimes called, honig or Sauerbraten, is made by adding to meat which has been partially roasted some sugar, bay leaves, pepper, raisins, salt and a little vinegar.
In southern Russia, Galicia and Romania tzimmes are made with pears, apples, figs, prunes or plums (floymn tzimes).
Kreplach are ravioli-like dumplings made from flour and eggs mixed into a dough, rolled into sheets, cut into squares and then filled with finely chopped, seasoned meat or cheese.
Today, chicken soup is widely referred to (not just among Jews) in jest as "Jewish penicillin", and hailed as a cure for the common cold.
In the cold version, a beaten egg yolk may be added before serving and each bowl topped with a dollop of sour cream.
[26] Teiglach, traditionally served on Rosh Hashanah, the Jewish New Year, consists of little balls of dough (about the size of a marble) drenched in a honey syrup.
Among the poor, jelly was reserved for invalids, hence the practice of reciting the Yiddish saying Alevay zol men dos nit darfn (May we not have occasion to use it) before storing it away.
Flodni, a layered sweet pastry consisting of apples, walnuts, currants and poppy seeds, were a staple of Hungarian Jewish bakeries prior to World War II.