It is served with a dipping broth made from juice of grated hot daikon (Japanese radish) named Nezumi Daikon (Japanese radish named after the shape with a thin tail being similar to a mouse) and is seasoned with Shinshu miso.
ねずみ大根という辛いダイコンをすりおろした汁に信州味噌を溶かしたつゆにつけて食べる。