Make Ahead Mashed Potatoes

Directions

1. 1
   Cook and mash potatoes.
2. 2
   Add cream cheese, oleo and sour cream.
3. 3
   Season to taste with onion salt.
4. 4
   Grease a round casserole; place the potato mixture into casserole and sprinkle top with Parmesan cheese.
5. 5
   May refrigerate overnight or several hours.
6. 6
   Bring to near room temperature and bake at 350° for 45 minutes.
7. 7
   Very smooth and creamy as just-made whipped mashed potatoes.
8. 8
   Serves 8 to 10.