Grilled Bruschetta Chicken

Name: Grilled Bruschetta Chicken
Prep time: 20 min
Cook time: 15 min
Total time: 35 min
Cuisine: Italian
Ingredients: 1 pound boneless skinless chicken breasts; 2 tablespoons balsamic vinegar; 1 tablespoon olive oil; 1 1/2 teaspoons Italian seasoning; 1/4 teaspoon garlic powder; Kosher salt and fresh ground black pepper to taste; 4 slices fresh mozzarella cheese; 3 cups diced tomatoes; 2 cloves garlic, minced; 2 tablespoons chopped fresh basil; 2 teaspoons balsamic vinegar