Potato Casserole - cooking recipe

Ingredients

1 (2 lb.) pkg. frozen hash brown potatoes
1 small onion, chopped
2 cans cream of potato soup
1 can cream of celery soup
1/2 pt. sour cream

Preparation

Mix together all ingredients and pour into a greased 9 x 13-inch pan. Bake 2 hours, covered, in a 300\u00b0 oven, then 1/2 hour, uncovered.