Corn Casserole

Ingredients
1 (8 1/2 ounce) boxes cornbread mix
1 (8 1/2 ounce) cans creamed corn
1 (8 1/2 ounce) cans whole corn, drained
1 cup sour cream
1/2 cup butter, at room temperature

Directions
Mix all together.
Put in a greased casserole.
Bake at 350° for 1 hour.