Shuto (Bonito Viscera Shiokara)

The world's hardest food, made by boiling, smoking, and repeatedly applying mold and sun-drying skipjack tuna. As the base for dashi, it forms the foundation of umami in Japanese cuisine. Commonly used shaved as 'kezuribushi.'

A traditional Japanese delicacy made by salt-curing the flesh and viscera of squid, bonito, or shrimp, fermenting with autolytic enzymes and lactic acid bacteria. Enduringly popular as a drinking snack.

A traditional Japanese delicacy made by salt-curing the flesh and viscera of squid, bonito, or shrimp, fermenting with autolytic enzymes and lactic acid bacteria. Enduringly popular as a drinking snack.

Traditional preserved food from Fukui and northern Kyoto. Mackerel or sardines are salt-cured, then pickled in rice bran for 1-2 years. Eaten grilled as-is or as sashimi after removing the bran.

The world's hardest food, made by boiling, smoking, and repeatedly applying mold and sun-drying skipjack tuna. As the base for dashi, it forms the foundation of umami in Japanese cuisine. Commonly used shaved as 'kezuribushi.'

The oldest form of sushi in Japan, made by fermenting fish with salt and cooked rice for months to years through lactic acid fermentation. Unlike modern nigiri-zushi, the rice serves as a fermentation medium and is sometimes not eaten.

A Shiga Prefecture specialty, one of Japan's oldest narezushi, made by fermenting Lake Biwa's nigorobuna (round crucian carp) with salt and rice for 1-3+ years. A delicacy with distinctive sourness and strong fermentation aroma.

Traditional dried fish from the Izu Islands. Flying fish or horse mackerel is soaked in 'kusaya liquid' (a fermentation brine used for hundreds of years) and sun-dried. Known for its intense smell, but when grilled, delivers concentrated umami flavor.