I grew up in an area with a strong Japanese influence. This may explain my love of Asian foods such as natto, tempeh, miso and others. But my very favorite food as a girl was chicken mafa. I asked for it for every birthday or celebration day, and begged for it as often as I felt I could get away with it. I’ve been experimenting with some methods for making the special ingredient for this dish at home: funyu or sufu….