Hash Brown Casserole
["1 (2 lb.) frozen hash brown potatoes", "16 oz. sour cream", "2 c. shredded Cheddar cheese", "1/2 c. onion, chopped", "1/2 c. melted margarine"]
["Stir all ingredients together.", "Place in a greased casserole and top with crushed cornflakes (2 cups).", "Drizzle with 1/4 cup melted margarine.", "Bake at 350\u00b0 for 30 to 45 minutes."]
["frozen hash brown potatoes", "sour cream", "Cheddar cheese", "onion", "margarine"]