In an episode we first brought you in March, we consider butter chicken. It is a much-loved Indian dish, both within that country and around the world. But who can claim they invented it? That question is the subject of a lawsuit. Our reporter tries to get to the bottom of butter chicken's origin and finds out that it is a journey through India's history.You can find celebrated Indian chef Madhur Jaffrey's recipe for butter chicken here.(Image credit: Arun Sankar)