Baked Potato Casserole - cooking recipe

Ingredients

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

Preparation

Cook peeled potatoes in boiling salted water until tender. Drain and mash potatoes until smooth (no lumps).
Add remaining ingredients; beat until light and fluffy.
Cool.
Cover and place in refrigerator.
May be used any time within 2 weeks.