The field of the invention concerns heating or cooking appliances. The cooking appliance comprises a casing (2) enclosing an integrated fixed or removable cooking receptacle (1) and heating means thermally connected to the cooking receptacle (1), means (3) for detecting, firstly, whether the cooking receptacle (1) is substantially empty and, in this case, opening the electrical supply circuit of the heating means, and secondly, for detecting whether the cooking receptacle (1) is filled so as to attain the predefined minimum weight, and, in this case, closing the electrical supply circuit of the heating means. According to the invention, the detection means (30) are operable by placing the cooking receptacle (1) in the casing, and by closing the lid (3).