One of the most popular Cuban dishes to take root in the Florida Keys is the Cuban press, a grilled, layered sandwich reminiscent of the classic American sub. A Cuban press consists of dill pickles, thinly sliced roast pork, thinly sliced sweet ham, and Swiss cheese, layered in that order on a sliced loaf of Cuban bread, which is crusty on the outside and soft inside. Unlike the submarine sandwich, a press contains no lettuce, tomatoes, onions, mayonnaise, or bell peppers. Butter and mustard are optional. The origin of the Cuban sandwich is vague, but it was popular with workers in the Cuban sugar mills and cigar factories in the 1800s. Cubans immigrated to the Keys in large numbers after the Cuban Revolution in 1868, when Vicente Martinez Ybor moved his cigar-making factory from Havana to Key West. More than likely, the Cuban sandwich, which utilized leftover Cuban roast pork, came with them. From "The Florida Keys Cookbook" and posted for ZWT5.