While most of us simply eat hamantaschen for Purim, it’s quite astonishing to discover the many symbolic dishes and food-related traditions are associated with the Book of Esther: From eating Haman’s pocket, to eating his ear, and eating him as a whole (in the shape of a gingerbread man, and you have to take his head off in one bite), to the old Ashkenazi custom of eating dried tongue (to remember how Haman was...