Refrigerator Mashed Potatoes - cooking recipe

Ingredients

9 large potatoes
2 (3 oz.) pkg. cream cheese
1 c. sour cream
2 tsp. onion salt
1/4 tsp. pepper
2 Tbsp. butter

Preparation

Cook potatoes; mash until smooth (no milk).
Add remaining ingredients; beat until fluffy.
Cool.
May be used anytime within a week.
Dot with butter.
Bake at 350\u00b0 for 30 minutes.