1 c. elbow macaroni
1 med. onion, sliced
1/4 lb. American cheese, grated
3 med. potatoes, mashed

Boil macaroni for 10 minutes. Fry the onion in the butter. Layer in casserole dish as follows: one layer of cooked macaroni, one layer of mashed potatoes, one layer of grated cheese. End with a layer of macaroni on top. Put the sauteed onions on top. Bake for 30 minutes at 375 degrees. Cover casserole while baking.