Potato Casseroleroswell, New Mexico  
["1 2 lb. pkg. frozen hash browns", "1/2 c. chopped onion", "1 pt. sour cream", "10 oz. American cheese, grated", "1 tsp. salt", "1/2 tsp. pepper", "1 can cream of chicken soup (undiluted)", "1/2 c. melted butter or margarine"]
["Defrost hash browns.", "Mix all ingredients together.", "Pour into buttered baking dish.", "Top with 2 cups crushed cornflakes mixed with 1/4 cup melted butter.", "Bake at 350\u00b0 for 45 minutes.", "Can add canned chicken or ham cut in pieces."]
["frozen hash browns", "onion", "sour cream", "American cheese", "salt", "pepper", "cream of chicken soup", "butter"]