Polish Food – Poland. DINOLINGO Poland is known for its hearty food, which keeps people warm and full during the long Polish winters. One of Poland’s most famous foods is pierogi, which are large dumplings filled most often with potatoes, cheese, and onions, but they can also have meat or fruit inside.oup is very popular in Poland, especially barszcz or borscht, made out of beets, or żurek, a sour soup with potatoes and vegetables. Potatoes and dark, thick bread are staples of Polish meals as well. But Polish food is not all meat and potatoes: the desserts are very popular and can be found all over the country.