Pumpkin Minestrone Soup

Name: Pumpkin Minestrone Soup
Ingredients: 4 tablespoons olive oil; 4 ounces pancetta; 2 cloves garlic, finely minced; 1 large red onion, finely diced; 2 carrots, finely diced; 3 stalks celery, finely diced; 1 large potato, scrubbed and diced; 2 cups chopped pumpkin; 2 cups chopped butternut squash; 1 parmesan rind (optional); 28 ounces canned plum tomatoes; 1 tablespoon oregano; 1 bay leaf; 2 (14-ounces) cans red kidney beans; 5 cups vegetable stock; 1 cup orzo (or other small pasta); 4 cups chopped kale; 1 cup shredded parmesan; 3 teaspoons sea salt