OPTIONAL: 1/2 cup small pasta OR 2 cups diced potatoes OR 1 cup frozen corn or other starchy vegetable OR 1/2 cup of quick-cooking grain (pearled barley, millet, or quinoa) or cooked rice Put 5 cups of vegetable broth and all remaining ingredients into a large pot and cook until vegetables are done, about 20-30 minutes. If the soup seems too thick, add more broth. Taste and adjust seasonings before serving.