Mix Marinade Mix, oil, vinegar, water, rosemary and mustard in small bowl. Place lamb chops in large resealable plastic bag or glass dish. Add marinade; turn to coat well.
Refrigerate 15 minutes or longer for extra flavor. Remove lamb chops from marinade. Discard any remaining marinade.
Grill over medium-high heat 3 to 5 minutes per side or until desired doneness.