1Spray large saucepan with nonstick spray. Add onions, green and red peppers, celery, carrots, garlic, and chili powder. Cook over medium heat, stirring often, until vegetables are softened.
2Add mushrooms and zucchini. Cook and stir for 4 more minutes. Add tomatoes, beans, chickpeas, corn(with liquid), cumin, oregano, basil, and cayenne pepper. Stir well. Bring to a boil. Reduce heat to medium low. Cover and simmer for 20 minutes, stirring occasionally.