Baked Potato Casserole recipe.

Ingredients
5 pounds red potatoes, cooked and cubed
1 pound sliced bacon, cooked and crumbled
4 cups cubed Cheddar cheese
4 cups shredded sharp Cheddar cheese
1 large onion, finely chopped
1 cup mayonnaise*
1 cup sour cream
1 tablespoon minced chives
1 teaspoon salt
1/2 teaspoon pepper

Directions
In a large bowl, combine potatoes and bacon. In another bowl, combine the remaining ingredients; add to potato mixture ad toss gently to coat. Transfer to a greased 4-1/2-qt. baking dish. Bake, uncovered, at 325 degrees F for 50-60 minutes or until bubbly and lightly browned.