Caprese Meatballs

Name: Caprese Meatballs
Ingredients: 1 pound ground turkey; 1/2 cup Italian breadcrumbs; 1/2 cup grated Parmesan; 1/2 cup pesto; 1 teaspoon kosher salt; 1/2 teaspoon black pepper; 1 large egg, beaten; 4 ounces fresh mozzarella cheese, cut into 1/2-inch cubes; 5 cups Classic Tomato Basil Sauce, recipe follows; 1/2 cup low-sodium chicken broth; 4 pounds ripe plum tomatoes or two 28-ounce can diced tomatoes in juice, such as Organic Muir Glen; 2 heads garlic, cloves peeled and halved lengthwise; 3/4 cup extra-virgin olive oil; 1 1/2 teaspoons hot red pepper flakes; Salt and pepper; 1 cup chopped fresh basil