A cooker comprising a heating means that heats an internal pot; an internal pot temperature detection means that detects the temperature of the internal pot; and a control unit that controls the heating means. The control unit comprises a first step and a second step. The first step has a heating means operation step and stopping step. The time from when the temperature of the internal pot has reached a first temperature threshold until same has dropped to a second temperature threshold is set as the heating stop time for the stopping step. The second step reduces the output of the heating means in accordance with the increase in the heating stop time.