Cook tortellini according to package directions. While tortellini is cooking, remove stems from spinach leaves and set aside. Seed and chop tomatoes and set aside.
Heat oil in a large deep skillet over medium high heat. Add garlic and cook for 1 minute. Add broth and boil gently, uncovered, for 5 minutes. Add spinach, tomato, and basil and heat through just until spinach wilts. Drain tortellini and add to skillet. Cook for 1 minute or until hot. Sprinkle with cheese and serve with pepper.