Refrigerator Mashed Potatoes - cooking recipe

Ingredients

5 lb. potatoes (9 large)
2 (3 oz.) pkg. cream cheese
1 c. dairy sour cream
2 tsp. onion salt
1 tsp. salt
1/4 tsp. pepper
2 Tbsp. butter or margarine
milk

Preparation

Cook peeled potatoes in boiling water (salted) until tender. Drain.
Mash until smooth (no lumps).
Add remaining ingredients and beat until light and fluffy.
Add milk to get desired consistency.
Cool.
Cover and place in refrigerator.