Preparation Position rack in center of oven; preheat to 400°F. Sprinkle ribs with salt and pepper. Wrap each rib rack tightly in heavy-duty foil; set on rimmed baking sheet. Bake ribs 45 minutes. Cool slightly. Unwrap; drain juices. Cut racks into 3-rib sections. Mix ketchup and next 8 ingredients in large bowl to blend. Line same baking sheet with foil. Dip ribs into sauce. Place ribs, meaty side up, on sheet. Roast 15 minutes. Dip into sauce again. Roast until meat is very tender and ribs are glazed, about 15 minutes. Sprinkle sesame seeds over ribs; roast 10 minutes longer. Cut into individual ribs. *Available at Asian markets and in the Asian foods section of some supermarkets.
Preparation Position rack in center of oven; preheat to 400°F. Sprinkle ribs with salt and pepper. Wrap each rib rack tightly in heavy-duty foil; set on rimmed baking sheet. Bake ribs 45 minutes. Cool slightly. Unwrap; drain juices. Cut racks into 3-rib sections. Mix ketchup and next 8 ingredients in large bowl to blend. Line same baking sheet with foil. Dip ribs into sauce. Place ribs, meaty side up, on sheet. Roast 15 minutes. Dip into sauce again. Roast until meat is very tender and ribs are glazed, about 15 minutes. Sprinkle sesame seeds over ribs; roast 10 minutes longer. Cut into individual ribs. *Available at Asian markets and in the Asian foods section of some supermarkets.