Light 1 side of grill, heating to 350° to 400° (medium-high) heat; leave other side unlit. Arrange ribs over unlit side of grill, reserving sauce in dish. Grill, covered with grill lid, 45 minutes. Reposition rib slabs, placing slab closest to heat source away from heat and moving other slab closer to heat. Grill, covered with grill lid, 45 minutes to 1 hour or until tender, repositioning ribs and basting with reserved sauce every 20 minutes. Remove ribs from grill, and let stand 10 minutes. Cut ribs, slicing between bones. Garnish, if desired. Serve with Quick Asian Barbecue Sauce, if desired.