1. Combine first 3 ingredients in a large heavy-duty zip-top plastic bag. Add turkey; seal bag, and marinate in refrigerator 30 minutes. Remove turkey from marinade; reserve marinade. Place marinade in a saucepan; bring to a boil. Remove from heat.
2. Preheat broiler.
3. Thread turkey and onions alternately onto 4 (8-inch) skewers. Broil 3 minutes on each side or until turkey is done, basting with marinade.
carbo rating: 3