Crock Pot Vegetarian Minestrone Soup

Name: Crock Pot Vegetarian Minestrone Soup
Ingredients: 6 cups vegetable broth; 2 carrots, chopped; 2 large onions, chopped; 3 celery ribs, chopped; 2 garlic cloves, minced; 1 small zucchini, cubed; 1 handful fresh kale, chopped; 1⁄2 cup barley (dry); 1 (14 1/2 ounce) can chickpeas or 1 (14 1/2 ounce) can white kidney beans, drained; 1 tablespoon fresh parsley, minced; 1⁄2 teaspoon dried thyme; 1 teaspoon dried oregano; 1 (28 ounce) cancrushed Italian tomatoes; 1 teaspoon salt; 1⁄4 teaspoon pepper; grated cheese (garnish)