Kaiseki Cuisine Inakaya: Salt-grilled Ayu (Sweetfish), Rock Tripe, With Sanbaizu (Vinegar, Soy Sauce and Mirin (or Sugar) Mixed in Roughly Equal Proportions)

Grilled ayu and iwatake (gyrophora), known as a phantom mushroom in the Chichibu region. Iwatake grows on a sheer cliff in deep mountains and makes an excellent food source.