Simmered sweet potato

What to prepare

1 sweet potato

400ml water

2 tablespoons koi dashi

2 tablespoons mirin (sweet cooking rice wine)

2) Cut a slit in the center of the sweet potato so that the flavor can penetrate easily.

4) When it starts to simmer, lower the heat to low, cover with a drop-lid, and simmer for 5 minutes.

6) Turn off the heat and let it cool.