Charlotte Elliot'S Macaroni And Cheese
["1 can cream of mushroom soup", "1 c. mayonnaise", "1 oz. pkg. small macaroni", "crushed cheese Ritz crackers (for top)", "12 oz. sharp cheese, grated", "1/4 c. chopped onion", "1 small jar pimento", "1 small can mushrooms"]
["Cook, uncovered, at 350\u00b0 for 30 minutes."]
["cream of mushroom soup", "mayonnaise", "macaroni", "crackers", "sharp cheese", "onion", "pimento", "mushrooms"]