Serve these healthy kabobs with grilled pita slices and yogurt dip.
Grate onion on large holes of a box grater. Combine with yogurt, garlic, cumin, zahtar, and oregano. Add chicken; combine. Cover with plastic; marinate 1 hour in refrigerator.
Sprinkle tomatoes with zahtar. Wrap each with half a grape leaf; secure by slipping onto skewer. Place six on each skewer.
Spray grill pan with cooking spray. Remove chicken from marinade; arrange six pieces on each skewer; do not pat off marinade. Discard remaining marinade. Sprinkle chicken with zahtar. Grill 5 to 7 minutes on each side or until cooked through. Grill wrapped tomatoes, 2 to 4 minutes on each side, until lightly browned. Place apricots on skewers, lightly spray with cooking spray, and sprinkle with zahtar. Grill 1 1/2 minutes on each side or until warm and tender. Serve with Healthy Tzatziki.
Zahtar is a Middle Eastern spice mixture.