Potato Casserole - cooking recipe

Ingredients

1 large pkg. frozen hash browns
1 large onion, chopped
1 c. sour cream (16 oz.)
1 stick butter
2 cans cream of chicken soup
2 c. Cheddar cheese for top
1/2 c. crunched cornflakes

Preparation

Mix all ingredients.
Bake at 350\u00b0 for 1 hour.