Mock Pierogi Casserole - cooking recipe

Ingredients

1 c. elbow macaroni
3 c. mashed potatoes
1/2 lb. American or Cheddar cheese, grated
1/4 lb. + 4 Tbsp. butter
1 medium to large onion, chopped

Preparation

Cook elbow macaroni 10 to 12 minutes and drain.
Saute onion in butter until soft.
Arrange in 1 1/2-quart casserole, layer half the macaroni, potatoes, the cheese, then rest of the macaroni.
Pour sauteed butter and onion over top.
Bake in 375\u00b0 oven for 30 minutes, uncovered.
Great way to use leftover mashed potatoes.