Chinese black beans have been salted, fermented and dried. Chun pei is dried, aged tangerine peel; you will need one piece from a whole tangerine. These ingredients are sold in the Chinese section ...

I’ve given the recipe for the latter method. Chun pei is dried, aged tangerine peel; it adds a deep, complex note to savoury and sweet dishes. It's usually peeled from the fruit in three or four ...