An curved arrow pointing right. Kurozu is Japanese black vinegar made using a 200-year-old technique of naturally fermenting ingredients outdoors in giant clay pots. It takes at least a year until ...

This is how to make sushi vinegar. A recipe I used to use in a restaurant. Recipe: 800ml Rice Vinegar 300g Brown Sugar 150g Salt 7g Kombu(dried kelp) Heat and mix all together. Do not bring to boil.