Jill s Hash Brown Casserole

1 (10.75 ounce) can Campbell s® Condensed Cream of Mushroom Soup (Regular, 98% Fat Free or 25% Less Sodium)

1 (8 ounce) container sour cream

½ cup butter or margarine, melted

1 (32 ounce) package frozen hash-brown potatoes

1 medium onion, chopped

1 (8 ounce) package shredded Cheddar cheese

Ground black pepper

½ cup crushed corn flakes

Mix soup, sour cream, butter, potatoes, onion, cheese and black pepper to taste in 3-quart shallow baking dish. Sprinkle corn flakes over potato mixture.

Bake at 350 degrees F for 45 minutes or until hot.