Potato Casserole
["1 pt. sour cream", "1 can cream of chicken soup", "1 tsp. salt", "1/2 tsp. pepper", "1/2 c. chopped onion", "1/2 c. margarine", "2 c. American cheese (10 slices)", "2 lb. frozen hash brown potatoes, thawed"]
["Mix all ingredients and put in a greased 9 x 13-inch pan.", "Top with crushed corn flakes or chips or buttered bread crumbs.", "Bake at 350\u00b0 for 40 to 60 minutes."]
["sour cream", "cream of chicken soup", "salt", "pepper", "onion", "margarine", "American cheese", "frozen hash brown potatoes"]