Japan (Edo period grilled chicken street food origin; yakitori shop culture expanding post-war into major restaurant category)
Yakitori tare (焼き鳥のたれ, 'grilled chicken secret sauce') is the sweet-savoury soy-based glaze applied to chicken skewers during grilling — and more significantly, the living sauce maintained by yakitori restaurants across decades of continuous use and addition. Like a sourdough starter, a great yakitori shop's tare is never discarded and never fully replaced — it is the accumulating essence of thousands of previous grillings, each batch absorbing the rendered chicken fat, caramelised soy sugars, and sake-mirin vapours of every bird grilled above it. The tare vat is replenished — fresh soy sauce, mirin, sake, and sugar added to replace what is used and evaporated — but the original base persists, deepening in character over years and decades. Some famous yakitori shops (Tori-Hana in Osaka, Toriki in Tokyo) maintain tare that has been in continuous use for 40, 60, or 80+ years. The flavour consequence of aged tare is a depth, roundness, and complexity — the amino acids from rendered fat, the Maillard products from thousands of caramelisation cycles, the integration of seasonal ingredients — that cannot be replicated by making fresh tare from scratch. The practice makes every skewer in a long-established yakitori restaurant contain a small portion of the restaurant's entire history.
Sweet-savoury-caramelised soy; rendered chicken fat depth; decades of Maillard accumulation; complex, rounded, rich
{"Living sauce: never discarded, continuously replenished — the base accumulates history","Chicken fat absorption: each grilling session renders fat into the tare below, deepening flavour","Replenishment ratio: fresh soy, mirin, sake, sugar added to replace what is used — the original portion persists","Aged tare character: rounded, complex, deep — decades of Maillard products and amino acid accumulation","Yakitori tradition: tare is the shop's identity and inheritance; some tare are older than living staff members"}
{"Start a home yakitori tare with 2:1:1 soy-mirin-sake reduced by 30%, then add a small amount of sugar","Never wash the tare pot — rinse with sake only, return to pot; the coating has valuable flavour","The best time to dip is mid-grill — not at start (tare burns before fat renders) or end (no caramelisation time)","Binchotan charcoal's even, high, radiant heat is the essential complement to tare-based cooking — gas produces inferior results"}
{"Discarding old tare and making fresh — this destroys the depth that only time and use accumulate","Under-reducing fresh tare — new tare must start with aggressive reduction to concentrate before first use","Dipping cold skewers into hot tare — oil splatter and temperature shock; skewers should be warm","Over-sweetening — sweet tare burns easily on binchotan; calibrate sugar content carefully"}
Tsuji Shizuo, Japanese Cooking: A Simple Art