Slice king oyster mushrooms thinly.
Heat a pan with olive oil and sauté the king oyster mushrooms.
Season lightly with salt.
Place a sheet of seaweed on a bamboo mat and evenly spread pickled radish slices on top.
Add the sautéed king oyster mushrooms and spread them out evenly.
Roll it up tightly like gimbap.
Cut into bite-sized pieces.