Ingredients 1 (30 ounce) package frozen hash brown potatoes 2 cups shredded Cheddar cheese 1 (16 ounce) container sour cream 1 (10.75 ounce) can condensed cream of mushroom soup 1 onion, chopped 1 cup butter 3 cups crushed corn flakes Directions Preheat oven to 425 ...