This description is about the national dish of Poland, pierogi. Pierogi are a type of dumpling made from unleavened dough, filled with a variety of savory or sweet fillings, and then boiled or fried. They are a popular dish in Poland, and can be
From Wikipedia
Pierogi are filled dumplings made by wrapping unleavened dough around a filling and cooking in boiling water. They are occasionally flavored with a savory or sweet garnish. Typical fillings include potato and twaróg cheese, sauerkraut, ground meat, mushrooms, fruits, or berries. Savory pierogi are often served with a topping of sour cream, fried onions, or both.