Party Mashed Potatoes

Ingredients
- 8 to 10 potatoes boiled and mashed
- 1 8 oz pkg cream cheese
- 1 carton sour cream with chives
- 12 c butter or margarine
- salt and pepper
- garlic salt optional
Directions
- Mix together and place in buttered casserole dish
- I use a 9 x 13-inch pan
- Refrigerate until ready to bake
- Bake 1 hour at 350
- Serves 10 to 12