Tatami-iwashi (dried baby sardines flattened like paper) (たたみいわし)

Tatami-iwashi is a processed food of baby sardines whose production process consists of cleaning and sifting, either before or after boiling, with a reed screen or fine mesh on a wooden frame, then drying them in the sun and forming them into a thin sheet (net-like).

It is normally eaten as it is or with soy sauce. It has a unique, crunchy texture.