- 5 tablespoons mirin (Japanese sweet wine)
- 3 tablespoons red miso paste
- 1 egg yolk
- 1 1/4 tablespoons cooking sake
- Combine mirin, miso paste, egg yolk, and sake in a saucepan and mix well; bring to a boil, stirring constantly. Reduce heat to low and simmer, stirring constantly, until sauce is the consistency of jam, 10 to 15 minutes.