BAKED POTATO CASSEROLE

BAKED POTATO CASSEROLE 5 lbs baking potatoes 8 ounces sour cream 1 cup mayonnaise 1⁄2 cup chopped onion 1⁄2 cup bacon bits 1⁄2 cup butter, melted 1 (1 ounce) envelope ranch dressing mix Preheat oven to 400°F. Scrub potatoes and prick with a fork. Bake 1 hour. Let potatoes cool. Peel (if desired) and cut into chunks. Preheat oven to 350°F. In a large bowl, combine remaining ingredients. Add potatoes and toss gently. Spoon into a 9×13-inch baking dish. Bake 40-45 minutes or until hot and bubbly.