1In a large skillet, cook beef and onion over medium heat till meat is no longer pink; drain. Stir in the broth, pasta, water and seasonings. Bring to a boil. Reduce heat; cover and simmer for 15 mins.
2Add yellow pepper and zucchini; cover and cook 2-4 minutes longer or till pasta and veggies are tender, stirring occasionally. Stir in tomatoes; sprinkle with cheese.