Kombu Dipping Sauce

Ingredients

 * 1 cup seaweed stock
 * ¼ cup dark soy sauce
 * ¼ cup mirin (seasoned rice wine)
 * 1 tbsp sugar
 * 1 tbsp salt
 * green onions or sesame seeds (optional)

Seaweed stock

 * several pieces of kombu (thick kelp leaves)
 * water, let it sit overnight.

Directions

 * 1) Make a seaweed stock by immersing several pieces of kombu in cool water, let it sit overnight.
 * 2) To make dipping sauce, simmer the ingredients.
 * 3) Add some green onions or sesame seeds if you like.