Sumiyaki Japanese Roasted Coffee "Unlock the Coffee Mystery: Sumiyaki Coffee. Charcoal, Infrared magic, and beans that cook from the inside out. Experience authentic Japanese coffee Click here Love it or it's free What's Authentic Japanese Coffee? Sumiyaki, known as 'Charcoal-Heated' coffee, is a distinctive roasting method used in Japan. Coffee beans are initially charred by … Continue reading Authentic Japanese Coffee