Grilled Chicken Kebabs with Cinnamon, Fresh Oregano and Cherry Tomatoes

Ingredients

• 1 medium yellow onion, peeled
• 2 tablespoons kosher salt
• 3 large cloves garlic, peeled and minced
• finely grated zest of 1 1/2 lemons (see Cook’s Note)
• 1 1/2 tablespoons finely chopped fresh oregano (or 1 1/2 teaspoons dried oregano)
• 3/4 teaspoon paprika
• 3/4 teaspoon cinnamon
• 3/4 teaspoon allspice
• generous 1/8 teaspoon cayenne
• 3 cups whole milk yogurt
• 3 to 3 1/2 lbs. boneless and skinless chicken breasts or thighs, cut into 36 equal size chunks
• 36 bay leaves
• 12 wooden skewers
• 1 large Vidalia onion, peeled, halved lengthwise and cut into wedges 1/2″ at the widest end
• 24 large cherry tomatoes (or 12 small tomatoes, halved or quartered lengthwise)
• olive oil for basting