Heat the Roasted Garlic Tomato Basil Soup over medium heat in a medium size saucepan.
In a separate saucepan, cook the tortellini according to package directions.
Using a slotted spoon, add the tortellini to the warm tomato soup and cook for 2 minutes. Add the mozzarella balls and garnish with chopped fresh basil leaves. Ladle into serving bowls and serve hot.