Caprese Stuffed Chicken Breast

Name: Caprese Stuffed Chicken Breast
Yield: 4
Cuisine: american
Ingredients: 4 chicken breasts; 12 marinated tomatoes, halved; 12 basil leaves; 1 cup large mozzarella balls, sliced; 4 tablespoons olive oil, divided; 1 teaspoon balsamic vinegar; 1 teaspoon salt