Programmable cooking systems

A programmable cooking system comprising: a programmable cooking device (5) comprising control means (8) for controlling the operations of the cooking device (5), a key aperture (2a) and a data reader (2 ); and a data key (1) comprising a data memory for storing data corresponding program to cooking operations, characterized in that: the programmable cooking system comprises a plurality of separate programmable cooking (5) and at least one data key (1), wherein the data key or each data key (1) is provided with a data memory for storing data corresponding to sequences of cooking operations program, and said data memory is divided into a plurality of portions, each corresponding to one of said devices respective firing (5), and wherein each programmable cooking device (5) comprises: programmable control means (8, 11) for controlling the cooking device (5) to carry out sequences of cooking operations; an opening key (2a) adapted to receive one of said data keys (1); and a data reader (2) arranged to read from the data key (1), program data from said memory location corresponding to the cooking device (5) data, and pass such data program the programmable control means (8, 11) of the cooking device (5) thus making available the appropriate cooking operations cooking device (5) sequences.