Ginger Chicken with Peanuts and Coconut

This is a version of a recipe from a dear family friend, Perin Irani, who is a colleague of my sister Lalitha. Perin has a strong presence that fills any room she is in with enthusiasm, and she is as passionate about food as she was about her work as an ob/gyn specialist in the Parsi community of Mumbai (she is now retired). The Parsis trace their roots back to a group of Persians who fled Iran when the Islamic powers