Step 1

In a large pot, add water and dried kombu. Turn the stove top on high.

Step 2

Once water starts to create small bubbles, remove kombu. Bring to boil.

Step 3

Turn off the heat, add bonito flakes and bring water to a boil again.

Step 4

Skim off the foam from the soup if necessary.

Step 5

Set a drainer in a large bowl and place paper towel over. Drain the soup carefully.