Glorious Macaroni
["1 (8 oz.) pkg. macaroni (shells or twists work best)", "2 c. sharp Cheddar cheese, shredded (8 oz.)", "1/4 c. chopped onion", "1 (2 oz.) jar diced pimento, drained", "1 (2 1/2 oz.) jar sliced mushrooms, drained", "1 Tbsp. margarine", "1 can cream of mushroom soup"]
["Cook macaroni and drain.", "Saute onion, pimento and mushrooms in butter.", "Combine macaroni, onion mixture and remaining ingredients; mix well.", "Spoon into a lightly greased 2-quart casserole.", "Bake at 350\u00b0 for 30 minutes."]
["macaroni", "Cheddar cheese", "onion", "pimento", "mushrooms", "margarine", "cream of mushroom soup"]