Do Ahead Mashed Potatoes - cooking recipe

Ingredients

5 lb. potatoes
2 Tbsp. butter
1/4 tsp. pepper
1 tsp. salt
1 c. sour cream
1 (8 oz.) pkg. cream cheese
1 tsp. onion salt

Preparation

Boil potatoes and mash with the remaining ingredients.
Place the mixture in a greased casserole.
Dot with butter and cover. Refrigerate.