Colorado Potatoes
["1 (2 lb.) pkg. frozen hash brown potatoes", "1 can cream of celery soup", "1 can potato soup", "1 pt. (16 oz.) sour cream", "1 large onion, chopped"]
["Mix all ingredients together.", "Spread in 9 x 13-inch baking pan.", "Sprinkle a lot of grated Parmesan cheese on top.", "Dot with butter or margarine.", "Bake at 350\u00b0 for 1 1/2 hours."]
["frozen hash brown potatoes", "cream of celery soup", "potato soup", "sour cream", "onion"]