2. Meanwhile, microwave ¼ cup vinegar in small microwaveable ramekin on HIGH 1-2 min. or until thickened and reduced by half; cool completely.
3. Heat sauce and remaining vinegar in saucepan on medium heat. Remove from heat; toss with hot pasta and half of the cheese. Drizzle with balsamic glaze; serve topped with remaining cheese, tomatoes and basil.
Tip: Fresh Mozzarella is sold in several sizes. Fresh Mozzarella perline, or "pearls" are ½-inch pieces, while ciliegine, or "small cherries" are bite-sized 1-inch balls. If using an 8-ounce ball, cut into 1-inch pieces before tossing with pasta. All sizes are usually sold packed in water in the deli or cheese section of your grocery store.