Do-ahead Party Mashed Potatoes

Ingredients

10 1/4 potatoes
6 oz cream cheese
1 c dairy sour cream
3 ts onion salt
1 ts garlic
1/4 ts pepper
2 tb butter
8 cups potatoes

Instructions

Tastes best if refrigerated 12-24 hours before baking. Can be kept in covered refrigerator container for up to two weeks. POTATOES WITH CHIVES: Instead of 2 tsp. onion salt, use 1 tsp garlic salt or onion salt, 1 tsp. plain salt, and one tbsp. minced freeze-dried or fresh chives.