Day Ahead Mashed Potatoes

Ingredients
- 4 c mashed potatoes prepared as usual
- 1 8 oz cream cheese softened
- 1 egg beaten
- 12 c chopped onion
- 1 tsp salt
- dash of pepper
Directions
- Mix all ingredients together while potatoes are warm
- Put in casserole a day ahead
- Warm in oven at 350 for 45 minutes Especially good with ham