An information processing method causes a processor in a terminal to: display, on the display of the terminal, a first screen representing a pre-preparation process included in cooking processes, the first screen displaying information indicating an intermediate foodstuff made through the pre-preparation process; acquire first identification information indicating a food container storing the intermediate foodstuff from an electronic tag apparatus attached to the food container while the first screen is displayed on the display; store, in a memory, information indicating the intermediate foodstuff or pre-preparation process and the first identification information in correspondence with each other; display, on the display, a second screen representing a finish process included in the cooking processes, the intermediate foodstuff being prepared in the finish process; and when the second screen is displayed, transmit a command to the electronic tag apparatus according to the first identification information so that the user discriminates the food container.