Mix ingredients together.

Knead and roll out on a floured board.

Cut dough into round circles.

Put filling in the center of dough circle; fold over and press edges together to seal.

Drop into salted boiling water and cook.

Drain.

Arrange in baking dish.

Cut up onion and fry in butter and pour over top.

Bake in a low oven for about 15 minutes; longer for a crisper dough.