1Cook tortellini and broccoli as directed on packages. Drain; rinse with cold water to cool. Drain well; place in large serving bowl.
2Meanwhile, in small bowl, mix dressing and basil.
3Gently stir tomatoes, onion and cheese into tortellini mixture. Pour dressing over salad; stir to coat evenly. Cover; refrigerate at least 1 hour to blend flavors before serving.