Like many classic dishes, the Reuben sandwich has multiple origin stories: Some accounts trace its origins to the since-shuttered Reuben’s delicatessen in New York City, where Arthur Reuben created a special for one of Charlie Chaplin’s leading ladies in 1914, using ham, turkey, Swiss cheese and coleslaw on rye Another origin story points to a customer, Reuben Kulakofsky, who was said to have ordered a corned beef and sauerkraut sandwich at Blackstone Hotel, in Omaha, where Bernard Schimm...