Katsuobushi (Dried Bonito Flakes)

Japan's quintessential fermented seasoning, made by fermenting and aging soybeans with koji (rice, barley, or soybean koji) and salt. Essential for miso soup and countless Japanese dishes.

Japan's fundamental seasoning, made by adding saltwater to soy sauce koji (soybeans and wheat with cultivated koji mold) and fermenting for about one year. Contains all five tastes: umami, salty, sweet, sour, and bitter.

A Japanese seasoning combining citrus juice with soy sauce, vinegar, mirin, and dashi. Widely used as 'ponzu shoyu' for hot pot, sashimi, and salads.

A traditional Kochi delicacy made from salt-cured and fermented bonito viscera (stomach and intestines), aged 1+ years. Named 'shuto' (sake thief) because it pairs so well with sake that 'you'd steal sake to drink with it.'

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.

The quintessential Japanese cuisine combining vinegared rice with raw fish and other toppings. Modern nigiri-zushi originated from 'Edomae-zushi' in the late Edo period. Multiple fermented seasonings — vinegar, soy sauce, miso, mirin — support sushi culture.

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 Kochi delicacy made from salt-cured and fermented bonito viscera (stomach and intestines), aged 1+ years. Named 'shuto' (sake thief) because it pairs so well with sake that 'you'd steal sake to drink with it.'

A traditional fish sauce from the Noto Peninsula, Ishikawa. Made by salt-curing squid viscera (ishiri) or sardines/mackerel (ishiru) and fermenting for 1-3 years. One of Japan's three great fish sauces.

A uniquely Japanese preserved food made by smoking, drying, and fermenting bonito, often called the hardest food in the world. Shaved into flakes for dashi stock, it serves as a pillar of umami in Japanese cuisine. Its rich inosinic acid creates a synergistic flavor depth when combined with the glutamic acid from kombu.

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.