This sweet and flavorful sauce is commonly used for Unagi Don (Unadon/Unaju). It is super easy to make at home and it can be used for many purpose. I also used this sauce for Yaki Onigiri (Grilled Rice Ball).
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- Combine mirin and sake in a small saucepan and bring it to a boil to evaporate alcohol.
Add sugar and stir until sugar is completely dissolved. Then add soy sauce and bring it to a boil. Then reduce heat and continue cooking on simmer for 20 minutes. Turn off the heat to cool it down. You can store the sauce in an airtight jar and keep in the refrigerator for up to 2 weeks.
My original recipe: ¾ cup soy sauce, ¾ cup mirin, ½ cup (4.4oz/125g) sugar, ¼ cup sake.
The step-by-step pictures above show my original recipe portion.
Recipe by Namiko Chen of Just One Cookbook. All images and content on this site are copyright protected. Please do not use my images without my permission. If you’d like to share this recipe on your site, please re-write the recipe in your own words and link to this post as the original source. Thank you.