Grandma's Hash Brown Casserole

Step 1

Preheat the oven to 350 degrees F (175 degrees C).

Step 2

Mix hash browns, cream of chicken soup, Cheddar cheese, sour cream, butter, onion, salt, and pepper together in a bowl. Arrange in a 9x13-inch baking dish. Sprinkle on top. Drizzle butter over the cornflakes.

Step 3

Bake in the preheated oven until the sauce is bubbly and the top is golden brown, 1 to 1 1/2 hours.