Add in the rest of the vegetables, miso paste, seasonings and broth. Cover and bring to a boil. Turn heat down to medium low and simmer for 15-20 minutes, or until vegetables are tender.
2 carrots, 2 large potatoes, 4 cloves garlic, 1 tablespoon soy sauce, ½ teaspoon dried thyme, ½ teaspoon garlic powder, ½ teaspoon onion powder, 1-2 sheets toasted nori sheets (crumpled), 3 cups vegetable broth, 1 tablespoon white or yellow miso paste