PREHEAT oven to 425°F. Prepare stuffing as directed on package. Mix MIRACLE WHIP and mustard; set aside.
PLACE chops in 13x9-inch baking dish; brush with half of the mustard mixture. Turn chops over; brush with remaining mustard mixture. Top with stuffing; cover with foil. Bake 10 min.
MEANWHILE, place beans on large sheet of foil; drizzle with Italian dressing. Bring up foil sides. Double fold top and ends to seal packet. Uncover chops; place bean packet in oven. Bake chops and beans 20 min. or until chops are cooked through (160°F) and beans are heated through.