Potato Casserole

1 lb. 2 oz. pkg. frozen hash brown potatoes

1 (8 oz.) ctn. sour cream

1 can cream of mushroom

1 can Cheddar cheese soup

1 large onion

1 stick margarine

Salt and pepper to taste

Corn flake crumbs, crumbled

Saute onion in 1/2 stick margarine; mix soups, sour cream, onion, and seasoning. Mix in potatoes. Put in casserole dish. Top with crumbs. Drizzle other 1/2 stick melted margarine over all. Bake at 350° for 1 hour or until bubbly.