Prepare pasta. Chop all vegetables. Mix the balsmic vinegar and olive oil, then add garlic. Put in small saucepan and heat. When it reaches a medium-hi temp. add onion, mushrooms, bell peppers, and zucchini. When the onions are translucent add blackbeans and tomato and simmer for 5 min. Toss with rigatoni.
This is a relatively simple dish to prepare. To save time you can chop the vegetables in advance. It has a hearty taste with little fat.