1Heat oven to 400°F.
2In 2-quart casserole, mix Potatoes, Sauce Mix, boiling water, half-and-half and butter. Stir in remaining potato ingredients. Bake uncovered 35 minutes.
3In small bowl, mix bread crumbs and butter; sprinkle over top. Bake 8 minutes longer or until topping is golden. Sprinkle with parsley. Let stand 5 minutes before serving (sauce will thicken as it stands).