Hash Brown Potato Casserole
["1 (2 lb.) pkg. frozen hash brown potatoes", "1/2 c. melted margarine", "1/4 tsp. pepper", "1 tsp. salt", "1/2 c. chopped onion", "1 pt. sour cream", "1 can cream of chicken soup", "2 c. grated cheese"]
["Mix all ingredients in large bowl (potatoes should be thawed). Pour into oiled casserole and bake at 350\u00b0 for 45 minutes.", "If topping is desired, mix 2 cups crushed corn flakes and 1/4 cup margarine and sprinkle on top before baking.", "Serves 16."]
["frozen hash brown potatoes", "margarine", "pepper", "salt", "onion", "sour cream", "cream of chicken soup", "grated cheese"]