Potato Pie

Directions

1. 1
   Cook potatoes in boiling salted water until tender.
2. 2
   Drain well, mash until smooth with potato masher.
3. 3
   Add cream cheese, sour cream, onion salt, salt, pepper and butter.
4. 4
   Beat or mash until smooth and fluffy.
5. 5
   Put in greased casserole, dot with butter.
6. 6
   Chill for 3 hours or overnight.
7. 7
   Bake at 350° for 30 minutes.