Ingredients

• 1 medium onion, chopped

• 2 medium carrots, chopped

• 2 stalks celery, chopped

• 12 ounces fresh green beans, cut into ½-inch pieces

• 4 cups chopped kale

• 2 medium zucchini, chopped

• 4 Roma tomatoes, seeded and chopped

• 2 cloves garlic, minced

• 2 (15 ounce) cans no-salt-added cannellini or other white beans, rinsed

• 4 cups low-sodium chicken broth or low-sodium vegetable broth

• 1 Parmesan rind (optional)

• 2 teaspoons salt

• ½ teaspoon ground pepper

• 2 teaspoons red-wine vinegar

• 8 teaspoons prepared pesto