Cheesy Potatoes
["1 (2 lb.) bag hash brown potatoes", "1 (8 oz.) carton sour cream", "1 stick margarine", "2 cans cream of mushroom soup", "1 medium onion, chopped", "1 bag Cheddar cheese, grated"]
["Fry onion in margarine until margarine is melted. Grease 9 x 13-inch pan. Mix all ingredients and pour into pan. Top with crushed corn flakes or potato chips. Bake 1 1/2 hours, uncovered, at 400\u00b0."]
["hash brown potatoes", "sour cream", "margarine", "cream of mushroom soup", "onion", "Cheddar cheese"]