Rosemary'S Potato Casserole - cooking recipe

Ingredients

1 (2 lb.) pkg. frozen hash browns
1 large chopped onion
1 stick margarine
2 c. grated sharp cheese
2 cans cream of mushroom soup
8 oz. sour cream
potato chips

Preparation

Partially thaw potatoes.
Saute onion in melted butter or margarine.
Add thawed potatoes, cheese, soup and sour cream. Mix well and put in large casserole dish sprayed with Pam.
Cook in a 350\u00b0 oven for at least 45 minutes.
Crush a few potato chips and sprinkle on top.
Cook about 20 minutes more until browned and potatoes are done.