The present invention relates to a kitchen appliance comprising a stove (11) and at least one lighting device (100), which is a device separate from the oven (11). The invention is characterized in that the lighting device (100) and the hearth (11) each have at least one communication unit (104, 113) by means of which state information can be transmitted at least from the hearth (11) to the lighting device (100) and the A communication unit (104) of the lighting device (100) having a control unit (115) of the lighting device (100) for driving at least one adjusting device (102) of the lighting device (100) to change the output of light based on that received from the hearth (11) State information is connected. In addition, the invention relates to a method for operating a lighting device (100) of a kitchen device (1) comprising at least one lighting device (100) and a hearth (11).
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