Tuscan Vegetable Soup

INGREDIENTS

• 1 clove garlic, minced
• 1 (14.5-ounce) can no salt added diced tomatoes
• 1 (15-ounce) can low-sodium canellini beans, drained and rinsed
• 2 carrots, diced (about 1/2 cup)
• 1/2 teaspoon salt
• 32 ounces low-sodium chicken broth or vegetable broth
• 1 small zucchini, diced (about 1 1/2 cups)
• 1 tablespoon chopped fresh thyme leaves (or 1 teaspoon dried)
• 2 stalks celery, diced, (about 1/2 cup)
• 2 teaspoons chopped fresh sage leaves (or 1/2 teaspoon dried)
• 1/2 large onion, diced (about 1 cup)
• 1/3 cup freshly grated Parmesan, optional
• 1/4 teaspoon freshly ground black pepper
• 1 tablespoon olive oil
• 2 cups chopped baby spinach leaves