Pierogi Casserole - cooking recipe

Ingredients

1 lb. elbow macaroni, cooked
1 lb. American cheese
5 to 6 potatoes, mashed
1/4 lb. butter
1/4 lb. oleo
chopped onions

Preparation

Saute onions in butter and oleo; spread 1/2 of onion mixture on bottom of dish; then all the macaroni, all cheese and all mashed potatoes.
Top with other half of onion mixture.
Bake at 350\u00b0, covered, for 3/4 hour.