Vegetarian Minestrone Soup Recipe for a Crowd

Name: Vegetarian Minestrone Soup Recipe for a Crowd
Ingredients: 1 tablespoon olive oil; 2 onions, diced; 3 stalks celery, diced; 3 carrots, diced; 1 teaspoon salt; 8 cloves garlic, minced; 2 tablespoons tomato paste; 8 cups low-salt vegetable stock; 26 ounces diced tomatoes*; 1 teaspoon dried thyme; 1/2 teaspoon dried oregano; Pinch of red pepper flakes; 1 rind of parmesan cheese; 2 medium potatoes, diced; 3 zucchini, diced; 16 ounces frozen cut green beans; 1 can kidney beans; 1 can white beans; 1 can chickpeas; 1 bunch Lacinato kale, stemmed and roughly chopped; 50 fresh basil leaves