1 pkg. sea shell macaroni, cooked and drained
1 can cream mushroom soup
1 can water
3 tbsp. melted butter
1 sm. jar pimento
1 sm. chopped onion
1 c. mayonnaise
8 oz. grated sharp cheddar cheese

Mix all the above ingredients and bake at 350 degrees for 30-40 minutes. Makes a very large dish.