Tempura is an ubiquitous Japanese dish, with seafood or vegetables  coated in batter and deep-fried. But did you know that tempura originated in Portugal? Bernice and Alkira trace its origins back to the 16th century when Portuguese missionaries sailed to Japan and traded guns, tobacco and flour. They taught the Japanese how to use the flour to make tempura. It has since evolved into a high culinary art form in Japan. Featuring chef Eisaku Hara of Uchitsu Tempura, chef Rodolfo Vicente of Casa…