The cooking apparatus and method for operating

Cooking appliance (1) and method for operating a cooking appliance (1) comprising a housing means (2) and a cooking chamber (3) with a cooking compartment (4), wherein the cooking chamber (3) a steam generator device (5) is associated for heating food, which is adapted and configured to supply the cooking chamber (3) with steam (22). On the outside (6) of the cooking space floor (4) comprises a foil heater (7) is arranged, which is adapted and configured to the cooking compartment (4) to heat at least in sections. Here, the oven floor (4) on a formation (8) on which the film heating body (7) is provided. The film heater (7) sections, and substantially form-fitting manner on the formation (8). The film heating body (7) is assigned a temperature sensor (14), said foil heating element (7) is switched off when the temperature sensor (14) detects a temperature change at the vorbestimme film heater (7).