At the end of the Christmas Carol, a reclaimed Scrooge tells Bob Cratchit that he would talk about raising his wage over a bowl of hot bishop. What the hell is bishop? Well, according to master bartender Jerry Thomas, it involves port, an orange, and an open fire. Frankly, too tedious. It wasn't until I came upon a modernization of it from the experts from New York's Employees Only bar that I would try to make it myself. Let me recount it here from their great book Speakeasy (try it, then buy the book).
