Dumpling is a broad classification for a dish that consists of pieces of dough (made from a variety of starch sources) wrapped around a filling, or of dough with no filling. The dough can be based on bread, flour or potatoes, and may be filled with meat, fish, cheese, vegetables, fruits or sweets. Dumplings may be prepared using a variety of methods, including baking, boiling, frying, simmering or steaming and are found in many world cuisines.