Natto Kinzanji and Hishio Ancient Fermented Condiments

Japan — Kinzanji miso: introduced by monk Kakushin at Rinzai-ji temple (Wakayama), 13th century CE from Sung China; hishio: documented from Nara period; the ancient precursors to modern soy sauce and miso

Beyond the familiar natto (fermented soybeans), Japan has a much older and less-known tradition of mixed fermented condiments derived from Chinese jiang (醤) traditions: kinzanji miso and hishio. Kinzanji miso (金山寺みそ) is a thick, chunky fermented preparation of barley, soybeans, vegetables (eggplant, cucumber, gourd), koji mold, and salt — fermented together into a spreadable condiment eaten with rice without further cooking. It originated in the Kinzanji monastery in Wakayama Prefecture, introduced by the monk Kakushin who brought the technique from Sung China in the 13th century. Hishio (醤) refers to the ancient class of fermented condiments that predates soy sauce — grain and legume ferments that were the foundational umami providers of ancient Japanese cooking before distilled soy became dominant.

Complex, savoury-sweet, chunky fermented texture with distinct vegetable pieces; the ancient condiment character — not refined and clean like modern miso, but more complex, textured, and deeply fermented