-extra thick & meatless Parmesan cheese; grated In crockpot, place cabbage wedges, onion, and mushrooms. Sprinkle tapioca over vegetables. Place frozen chicken pieces atop vegetables, pour spagetti sauce over chicken. Cover; cook on low-heat setting for 10-12 hours or on high-heat setting for 4 1/2-5 1/2 hours. Transfer to a serving platter. Sprinkle with parmesan cheese.