Waterless Minestrone Soup

Name: Waterless Minestrone Soup
Ingredients: 2 tablespoons extra-virgin olive oil; 1 medium onion, chopped; 2 medium carrots, peeled and chopped; 2 stalks celery, chopped; 1 tablespoon tomato paste; 1 teaspoon Italian seasoning; 1/4 teaspoon crushed red pepper flakes; 4 cloves garlic, minced, plus 1 clove, peeled; 2 bay leaves; 1 medium Parmesan rind (about 2 ounces); 10 plum tomatoes (2 pounds), each cut into eighths; 8 large napa cabbage leaves, halved and cut into 1-inch pieces (about 8 cups); 1 1/4 teaspoons kosher salt; 5 cups lightly packed chopped kale leaves (about 5 ounces); One 15-ounce can cannellini beans, drained and rinsed; 1 medium zucchini (about 8 ounces), halved lengthwise and cut into 1/2-inch half-moons; 2 slices sourdough bread (about 1/2 inch thick); 5 tablespoons plus 1 teaspoon grated Parmesan; 2 tablespoons thinly sliced fresh basil leaves