Meatball Kebabs

Ingredients (13)

• 2 tbsp grated parmesan cheese
• 20 oz lean ground turkey
• 4 large egg whites or 1 cup egg substitute
• 1 med onion(s) quartered, then each quarter cut into thirds (12 onion pieces total)
• 8 oz cremini (baby bella) mushrooms cut in half if needed to make 12 pieces
• 2 clove garlic minced
• 1 nonstick cooking spray
• 0.25 tsp ground black pepper
• 0.5 tsp salt
• 12 bamboo skewers
• 24 grape or cherry tomatoes
• 0.25 cup balsamic vinegar
• 1 tsp olive oil