Pierogi are traditional Polish dumplings made by wrapping unleavened dough around a filling and then cooking them, usually by boiling. The dough is typically made from flour and water (sometimes with egg or sour cream), rolled flat, and cut into circles or squares. The filling can be savory or sweet, with common savory options including potato, cheese, sauerkraut, ground meat, mushrooms, or cabbage. Sweet versions might be filled with fruits like cherries, blueberries, or plums. After filling and folding the dough into a half-moon or other shapes, the pierogi are boiled until they float, and sometimes then fried in butter for extra flavor. They can be served with toppings such as sour cream, fried onions, melted butter, bacon, or mushroom sauce. Pierogi hold deep cultural significance in Poland and are also popular in various other Central and Eastern European cuisines. They are considered a comfort food and can be enjoyed as an appetizer or main course, often accompanied by dips or sauces. In summary, pierogi are filled, boiled, and sometimes fried dumplings that are a beloved dish in Polish and Eastern European cuisine, known for their versatile fillings and comforting taste.