Mashed Potato Casserole

Directions

1. 1
   Cook potatoes with skin; cool, peel and shred.
2. 2
   In saucepan over low heat melt cheese with margarine.
3. 3
   Stir until melted. Remove from heat and let stand at room temperature.
4. 4
   Combine cheese mixture, sour cream, onion, salt and pepper.
5. 5
   Fold into potatoes. Put into greased casserole dish.
6. 6
   Bake at 350° for 25 minutes.