knish
nounA piece of dough stuffed with potato, meat, or cheese and baked or fried.
nounA fried, or sometimes baked, turnover made from a round or square sheet of dough containing a filling, usually of meat or potatoes.
nounAn Eastern European Jewish, or
(Yiddish) a baked or fried turnover filled with potato or meat or cheese; often eaten as a snack