Macaroni And Cheese Casserole - cooking recipe

Ingredients

8 oz. box macaroni
1 can cream of mushroom soup
1/2 jar pimentos
1 small onion
1/2 c. mayonnaise
1 lb. sharp Cheddar cheese

Preparation

Cook macaroni until tender; drain.
Stir rest of ingredients into macaroni.
Bake for 30 minutes at 350\u00b0.