Last year, Keio once again extended their offer, and while the TRA didn't turn them down, they simply couldn't spare the people for it. Finally, a chef was sent to Taiwan from Japan to study how the pork was prepared and how to cook the rice and vegetables. After a period of study, he returned to Japan, taking with him the taste of these nostalgic lunches.
去年京王百貨再度表達誠意，台鐵雖然沒有回絕，但因人手無法調度，最後由日方派出廚師來台學藝，從排骨如何醃製、菜飯如何烹煮等絕竅一一學起，將懷舊便當的風味帶回日本重現。