Colorado Potatoes

Ingredients
- 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
Directions
- 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 for 1 12 hours