Fill a large pot with water. Add the dried kombu seaweed and simmer in medium-low fire for at least 10 minutes. Remove kombu and when water begins boiling. Add miso paste to broth until dissolved.
Slice vegetables into bite size pieces and arrange ingredients on a serving plate.
Place the pot of boiling broth on the portable burner (in the middle of table) and set up the table with the following:
- Plate of ingredients.
- Portable gas or electric burner.
- Pot of boiling broth.
- Sauce dish (ponzu sauce & sesame sauce) for each person.
Each person will cook their beef, vegetables, or other ingredients by dipping each individual item in the boiling broth. Swish it gently back and forth until the meat cooks. For extra flavor, dip your meat in the sesame or ponzu sauce.
Finish the the meal with udon by adding it to the soup. You can scoop it out and ladle some broth into your bowl. Add soy sauce and you just made yourself udon noodle soup!