Hash Brown Potato Casserole - cooking recipe

Ingredients

1/2 stick butter or margarine
1 medium onion, chopped
8 oz. sour cream
8 oz. sour cream with chives
10 oz. grated Cheddar cheese
10 oz. can cream of chicken soup
10 oz. can cream of mushroom soup
2 lb. frozen hash brown potatoes
1 c. crushed corn flakes

Preparation

Brown the margarine and onion together.
Add all remaining ingredients (except corn flakes) in a large bowl.
Mix well.
Add the browned onion with butter.