1. Sauté onion in oil, then add potato, dulse, kelp, carrot, corn,
parsnip, and sauté another 5 minutes.
2. Add water, then bring to boil and simmer for 15-20 minutes.
3. Dissolve kuzu and soy powder in 1/2 cup cold water, stir into soup
and simmer until thick.
4. Dissolve miso in some soup broth, stir into soup and remove from
heat.