Baked Mashed Potatoes
["3 lb. potatoes (9)", "1 1/2 c. sour cream", "4 Tbsp. butter *", "1 1/2 tsp. salt", "1/4 tsp. pepper", "optional toppings: sauteed mushrooms or melted butter with cracker crumbs"]
["Peel and cook potatoes.", "Blend hot potatoes with butter, sour cream, salt and pepper on low speed, then on high speed until light and fluffy.", "Spoon into buttered casserole.", "Bake at", "325\u00b0 for 1 hour, covered.", "Bake at 325\u00b0 for 1/2 hour, uncovered."]
["potatoes", "sour cream", "butter", "salt", "pepper", "mushrooms"]