Yossou: A 150-Year-Old Chawanmushi Restaurant in Nagasaki, Japan
Open since 1866, Yossou is credited as being the very first chawanmushi specialty restaurant in Japan. They make their signature chawanmushi with nine specific ingredients – white fish, chicken, shiitake mushrooms, kikurage mushrooms, bamboo shoots, ginkgo, kamaboko (fish paste), wheat powder, and anago (grilled conger eel).










