Step 1

Clean the kelp with a well wrung out damp cloth briefly *2

Step 2

Fill a container with the water and add kelp to steep (soak)

Step 3

Let stand overnight, remove the kelp the next morning. *3

Step 4

Clean the kelp with a well wrung out damp cloth briefly.

Step 5

Fill a saucepan with the water and add kelp to steep for 30 minutes up to 1 hour.

Step 6

Put the saucepan over medium heat. When the small bubbles form, turn the heat off. *4

Step 7

Remove the kelp and transfer the kombu dashi to storing jar. *3