Macaroni And Cheese Casserole - cooking recipe

Ingredients

1 box macaroni (12 oz. or less)
8 to 12 oz. Cheddar cheese
1 small chopped onion
1 c. mayonnaise
4 oz. jar mushrooms, drained
1 can cream of mushroom soup
1 small jar pimento

Preparation

Cook macaroni; combine onion, mayonnaise, mushrooms and mushroom soup.
Mix well.
Layer macaroni and soup mixture. Sprinkle cheese and pimento.
Bake at 300\u00b0 for 25 minutes.