Hash Brown Casserole
["1 medium onion, chopped", "1/4 c. margarine, melted", "1 (32 oz.) pkg. frozen hash browns, thawed", "1 (16 oz.) sour cream", "1 can cream of celery soup", "1 c. Cheddar cheese", "2 c. corn flakes cereal"]
["Saute onion in butter until tender.", "Combine onion mixture, hash brown potatoes, sour cream, celery soup and Cheddar cheese in a large bowl.", "Stir well.", "Spoon potato mixture into a lightly greased 11 x 17 x 1 1/2-inch baking dish.", "Top with crushed cereal and bake, uncovered, at 350\u00b0 for 1 hour or until golden brown."]
["onion", "margarine", "frozen hash browns", "sour cream", "cream of celery soup", "Cheddar cheese", "corn flakes cereal"]