Ingredients
3 tablespoons olive oil
2 onions, chopped
2 celery stalks, cut into 1/2-inch pieces
1 carrot, peeled and cut into 1/2-inch pieces
1 red bell pepper, cut into 1/2-inch pieces
6 cloves garlic, finely chopped
1/2 cup chili powder
1 tablespoon ground coriander
1 tablespoon ground cumin
2 teaspoons dried oregano
1 teaspoon dried crushed red pepper, optional
2 (14 1/2-ounce) cans diced tomatoes with juices
1 (11 1/2-ounce) can tomato juice
1 (6-ounce) can tomato paste
1 (3-inch) piece Parmesan cheese rind, optional
2 teaspoons salt, plus more to taste
8 cups vegetable or chicken broth
2 (15 1/2-ounce) cans garbanzo beans, drained and rinsed
2 (15-ounce) cans cannellini beans, drained and rinsed
1/2 cup dried green lentils
3 cups broccoli florets
2 zucchini, cut crosswise into 1/2-inch thick rounds
2 yellow crookneck squash, cut crosswise into 1/2-inch thick rounds
1/2 cup freshly shredded Parmesan
1/4 cup thinly sliced fresh basil leaves