1. Mix together marinade ingredients in a large bowl. Set aside three to four tablespoons.
2. Add the chicken cubes to the remaining marinade and mix well. Allow to marinate for at least two hours, up to overnight.
3. Preheat grill to high heat.
4. Place chicken cubes on skewers,
alternating with a slice or two of onion until the skewers are full. Grill for eight to 10 minutes, flipping halfway through.
5. Before serving, drizzle the reserved
marinade on the skewers.