Meatball sub stacked with meatball-free, parmesan cheese, provolone cheese, arugula, tomato, garlic aioli and marinara. Meatball sub stacked with meatball-free, parmesan cheese, provolone cheese, arugula, tomato, garlic aioli and marinara. Meatball sub stacked with meatball-free, parmesan cheese, provolone cheese, arugula, tomato, garlic aioli and marinara.