The invention relates to a laser assembly (2) for cleaning one or more baking surfaces (1) of a baking machine, comprising a laser head (3), wherein an interface is provided for connecting to the baking machine and the laser assembly is connected to the baking machine mechanically and/or in regard to control, a baking machine having a laser assembly (2) according to the invention, and a method for cleaning baking surfaces, wherein a laser head is arranged in the area of the baking surface of a baking machine, wherein a laser beam is conducted onto the baking surface in order to clean the baking surface, and wherein the processing area of the laser assembly is moved over the baking surface by means of relative motion between the laser head and the baking surface.