6 Servings (1 sandwich each)
grape tomatoes, cut in half
(8 ounces) fresh small mozzarella balls (ciliegine-sized), cut into quarters
chopped red onion
chopped fresh basil
French bread rolls, split
Brush sausages with balsamic vinegar; set aside.
Heat olive oil over medium heat in small skillet. Add tomatoes and cook until soft, about 3-5 minutes, stirring occasionally. In small bowl, combine tomatoes, mozzarella, red onion, basil and salt.
Grill sausages according to package directions, turning frequently and brushing with balsamic vinegar. Place one grilled sausage in each roll and generously top with tomato-mozzarella mixture.