Pierogi Casserole - cooking recipe

Ingredients

1 lb. elbow macaroni
1 lb. sliced American cheese
5 lb. medium potatoes
1/2 lb. margarine
1/2 lb. butter
2 lb. onions

Preparation

Cook macaroni according to directions.
Make mashed potatoes. Saute onions in margarine and butter.
In a large casserole dish, arrange the following in layers in this order:
1/2 onion mixture, 1/2 macaroni, 1/2 cheese, 1/2 mashed potatoes, 1/2 macaroni, 1/2 cheese, the remaining 1/2 mashed potatoes with the other 1/2 onion mixture on top.
Cover and bake at 340\u00b0 for 40 minutes.