Make Ahead Mashed Potatoes
["3 lb. medium potatoes, pared", "1/4 c. sour cream", "4 Tbsp. butter", "1 1/2 tsp. salt", "1/4 tsp. pepper", "1/4 c. packaged bread crumbs", "1 Tbsp. butter, melted"]
["Cook potatoes until tender.", "Drain.", "Mix potatoes, sour cream, butter, salt and pepper in a large bowl.", "Beat at a low speed until fluffy.", "Pile lightly into a buttered 2-quart casserole. Cover and refrigerate overnight.", "Bake covered at 325\u00b0 for 1 hour. Toss crumbs in melted butter.", "Sprinkle over potatoes.", "Continue baking for 30 minutes uncovered.", "Serves 6 to 8."]
["potatoes", "sour cream", "butter", "salt", "pepper", "bread crumbs", "butter"]