eel shrimp and cut chicken into 1 inch cubes. Combine Garlic, Onion owder, Cumin and melted Butter. Marinate shrimp and chicken while reparing grill. String shrimp and chicken onto separate skewers. ook about 5 inches above hot coals, allowing 5 minutes for shrimp and 0 minutes for chicken. Turn once or twice while cooking and baste ften with remaining marinade.