shiitake butter & sauce

Thought I posted a recipe about this but can't find one here, so will write this postI learned about this from an “eating the rainbow” cookbook in Japanese that I haveTake off the stems of the shiitake, then cleanin a heated non stick pan, put the shiitake in and cook on medium/low, turning every so often, until moisture starts to come out from the mushroomsThen to each, add some butter, and a