Created in Japan for the very first time, black burger was introduced by the American fast food restaurant chain Burger King in 2012. The odd coloration of the buns are achieved by adding bamboo charcoal for coloration, but there are other means, such as the one used by some of those selling black burgers in Indonesia. Indonesian black burgers are black because of the color additive derived from the fruit locals callĀ keluwak (Pangium edule). Here are the vendors of black burgers in Indonesia.To subscribe please click here