Refrigerator Mashed Potatoes

Directions

1. 1
   Cook potatoes in salted water until done, drain and mash.
2. 2
   Add sour cream, cream cheese, onion salt, salt, pepper and margarine. Beat until smooth and fluffy.
3. 3
   Stores 2 weeks in refrigerator.
4. 4
   To serve, place desired amount in greased casserole.
5. 5
   Dot with margarine and bake at 350° for 30 minutes.
6. 6
   Makes 8 cups.
7. 7
   To bake entire amount, use a 2 quart casserole.