Step 1

Pour the mirin into the saucepan and heat on medium/high.

Step 2

Bring it to the boil and continue to heat for 30 seconds.

Step 3

Add the soy sauce and sugar and boil for a further 30 seconds.

Step 4

Leave to cool.

Step 5

Once cooled, pour into a jar or sealable container and add the mushrooms.

Step 6

Keep in the refrigerator over night before using.

Step 7

The next day, take out the mushroom and store once again in the refrigerator for up to one month.

Step 8

Use for broths, sauces and on rice!