Binchōtan
Binchō-tan (Japanese: 備長炭, [biɲtɕoꜜːtaɴ]), also called white charcoal or binchō-zumi, is a type of high-quality charcoal traditionally used in Japanese cooking. Its use dates back to the Edo period when during the Genroku era, a craftsman named Bichū-ya Chōzaemon (備中屋 長左衛門) began to produce it in Tanabe, Wakayama.