Prepare oven-top grill if not using an outdoor grill.
Prepare stove-top grill, and grill onion, turning once or twice.
Prepare grill (or ideally a smoker, at 170 degrees).
Prepare stove-top grill; turn oven to 450 degrees.
Prepare stove-top grill if that is what you are using.
Prepare stove-top grill, and grill the lamb for just a few minutes on both sides, until meat is medium rare.
Preheat broiler or prepare grill on top of stove.
Near end of marinating time, prepare grill.
Prepare stove-top grill, and cook the chicken, browning on both sides, for 7 to 10 minutes.
When ready to cook, prepare grill or preheat broiler.