Manti is a traditional Turkish dumpling dish that is popular in Istanbul. It consists of small pockets of dough filled with a mixture of ground lamb or beef, onions, and spices. The dumplings are then boiled and served with a generous drizzle of melted butter, yogurt, and a sprinkle of sumac. Manti is a delicious and comforting meat dish that is often enjoyed as a main course or as part of a mezze spread.