To make more UMAMI, less than 10°C, 5-24 hour need.
Please sink cold water until 24 hours in fridge.
To reduce time, one hour later from the rehydrate beginning, cut it into half.

1) Wash
Please wash with water lightly and scour dust of Shiitake.
3) Into fridge
To make more GMP, less than 10°C,
5-24 hour need.
2) Sink under water
Please pour water into a container so that Shiitake may be flooded enough.
4) Touch the stem
Because a joint stem is the hardest part, please touch and check how rehydrate it.