A recipe is a cooking method for a certain dish created by the chef using various cooking ingredients and various cooking techniques. In modern restaurants, merchants use brochures to introduce their dishes, which include pictures of the dishes, prices, introductions and other information. The word "recipe" comes from Latin, and its original meaning is "memorandum of instructions." It was originally a record list for chefs to keep in mind. The menu of a modern restaurant should not only be seen by the chef, but also by the guests. We can summarize it in one sentence: "The recipe is the catalog and introduction book provided by the restaurant. It is the restaurant's consumer guide and the most important business card of the restaurant.