Rehydrating dried Shiitake with cold water gets rid of bad odors and brings out more sweetness and flavor. https://shiitakejapan.com/en/how-to-rehydrate-dried-shiitake-for-maximum-flavor.html
(←the most delicious way to rehydrate Shiitake)
https://shiitakejapan.com/en/quick-and-easy-rehydration-for-dried-shiitake.html (←
Thinner KOSHIN Shiitake are easier to rehydrate)