Timer set from this step
30:00
Step 1 of 6
Soak the kombu in 1 liter of cold water for 30 minutes, then simmer until the water boils gently, and remove the kombu.
Timer set from this step
30:00
Step 1 of 6
Soak the kombu in 1 liter of cold water for 30 minutes, then simmer until the water boils gently, and remove the kombu.