Vareniki are traditional Ukrainian dumplings made from unleavened dough, typically filled with various ingredients. Common fillings include potatoes, cheese, cherries, or cabbage. They are often boiled and can be served with sour cream, butter, or fried onions. These dumplings are popular in many Eastern European countries and are similar to pierogi in Poland. Vareniki can be enjoyed as a main dish or a dessert, depending on the filling. They are often made for special occasions and family gatherings, showcasing the rich culinary heritage of Ukrainian cuisine.