Learn how to cook dried shiitake mushrooms which you can use as a filling for sushi rolls. In this video, I will show you a classic Japanese recipe how to prepare dried shiitake mushrooms into sweet juicy soy flavored mushrooms that can be used as a filling in sushi rolls. For this recipe you will need:10 dried shiitake mushrooms (Donko) http://geni.us/shiitake 1L water120ml sake wine120ml mirin http://geni.us/Rl1Ba 30g brown sugar40g or ml soy sauce http://geni.us/soysaucekikko