Ponzu Sauce

250 ml dark Soy sauce, or a combination of light and dark

200 ml Yuzu (or lemon) juice

50ml rice vinegar

100 ml mirin

10 grams bonito flakes

5 grams of Konbu

Add 100 ml Mirin into small pot

When Minim starts to boil ,use lighter to light and evaporate alcohol

When fire goes out add the soy sauce and heat till just before boiling

Turn off heat and set aside to cool completely

Transfer to a jar or bowl

Add vinegar and lemon juice

Add Kombu to jar

Add bonito flakes and let them sink

Let rest for 4 days

Strain through paper towel or cheese cloth and strainer

Squeeze juice out of the Kombu and Bonito Flakes caught in the cheesecloth

Taste.If too sour for you add a bit of Mirin

Keep in fridge in bottle for months

This is a recipe by Kunihiro from his you tube channel

https://www.youtube.com/watch?v=lcS75JRBB7Y

Chef's notes