What Brachah are Kreplach?
The brachah over kreplach is generally mezonos, because the dough from which it is kneaded is mezonos—due to being formed predominantly with liquids other than water.
If the dough is hamotzi, the kreplach will similarly be hamotzi, even if eaten with its meat filling in mind and not the pastry. (This is because meat is a highly satiating accompaniment to the pastry and it therefore amplifies the pastry’s satiation factor.)