A cooking device with optical temperature display and method for optical temperature indicator in a cooking device

A cooking appliance with a hob plate with a heater for heating a including about erected on the cooking field plate cooking vessel has an optical temperature display. A visual display device for the temperature is below the hob plate, and provided near to the heater, wherein the display device thermochromic ink or thermochromic material comprises towards the hob plate. It is contemplated that the thermochromic ink or the thermochromic material is only pressed onto the hob plate for mounting.