• 1 cup pastina pasta (stelline shape).
• 1 brown onion, roughly chopped.
• 2 carrots, roughly chopped.
• 2 celery sticks, roughly chopped.
• 4 garlic cloves, roughly chopped.
• 6 cups low-sodium vegetable broth (or chicken broth).
• Salt and black pepper to taste.
• 1 parmesan rind (optional).
• Garnish: chopped parsley, grated parmesan cheese, drizzle of olive oil (optional).