2 lb. frozen hash browns
2 c. grated Cheddar cheese
1/2 c. sour cream
1 sm. onion, chopped
2 cans cream of chicken soup

TOPPING:

2 sticks butter
2 c. corn flakes

Mix main ingredients. Spread into 13 x 9 inch baking dish. Melt butter. Mix in the cornflakes. Spread topping onto potatoes. Bake at 350 degrees for 45 minutes to an hour.