Mashed Potatoes Hot Dish - cooking recipe

Ingredients

9 large potatoes
2 (3 oz.) cream cheese
1 c. sour cream
2 tsp. onion salt
1 tsp. salt
1/4 tsp. pepper
2 Tbsp. margarine
1 lb. hamburger (browned)

Preparation

Cook potatoes until tender.
Mash them, no lumps.
Add all ingredients and beat until light and fluffy.
Place in greased casserole.
Dot with butter.
Bake at 350\u00b0 for 30 minutes.