Sunday Dinner Mashed Potatoes
["5 lb. potatoes, peeled and cubed", "1 c. (8 oz.) sour cream", "2 (3 oz.) pkg. cream cheese, softened", "3 Tbsp. butter or margarine, divided", "1 tsp. salt", "1 tsp. onion salt", "1/4 tsp. pepper"]
["Place potatoes in a Dutch oven; cover with water. Cover and bring to a boil. Cook for 20 to 25 minutes or until very tender; drain well. In a large mixing bowl, mash potatoes. Add sour cream, cream cheese, 2 tablespoons butter, salt, onion salt and pepper; beat until fluffy. Transfer to a greased 2-quart baking dish. Dot with the remaining butter. Bake, uncovered, at 350\u00b0 for 20 to 25 minutes or until heated through. Yield: 8 servings."]
["potatoes", "sour cream", "cream cheese", "butter", "salt", "onion salt", "pepper"]