Low-moisture part-skim mozzarella cheese with tomato and basil. Contains 70 calories per serving. Tired of plain mozzarella string cheese? Now with Kraft Tomato Basil string cheese you can enjoy your favorite wholesome snack with flavor. The refreshing zest of tomatoes perfectly combined with the delicate taste of basil: it's like a Caprese salad in a string cheese - all for 70 calories and 6 g of protein! Contains 0 g of lactose per serving. kraftfood.com.