Creamy Smashed Potatoes

from allrecipes.com

5 pounds potatoes, peeled and quartered

8 ounces reduced fat cream cheese

1 cup reduced-fat sour cream

1/4 cup milk
1 teaspoon onion salt

1 teaspoon salt

Dash pepper

Place potatoes in a saucepan and cover with water. Bring to a boil. Reduce heat; cover and cook for 15-20 minutes or until tender. Drain and place in a large bowl; mash the potatoes. Add the remaining ingredients; mix well.