Cooking system including: - a cooking vessel comprising a body and a ferromagnetic insert having a determined Curie temperature (TCx) arranged in the body, - a heating device for the cooking vessel to be positioned at a determined location of the heating device wherein said cooking vessel is capable of being positioned to be heated by said heating device, said heating device comprising: - heating means, said heating means being able to heat the cooking vessel and its insert when the cooking vessel is positioned at its determined location of the heating device, said cooking system characterised in that the heating device comprises: - a magnet positioned such that the insert of the cooking vessel is facing said magnet when the cooking vessel is positioned at its determined location, said magnet able to move between a first proximal position of the insert and a second distal position of the insert when the cooking vessel is positioned at its determined location, - a means for detecting the position of the magnet, - a unit for processing a signal delivered by the detection means, and in that the heating device has a first operating mode wherein the magnet is in its first position and the heating of the cooking vessel by the heating means is allowed, and a second operating mode wherein the magnet is in its second position and the heating of the cooking vessel by the heating means is prohibited, with the switching from the second operating mode to the first operating mode being carried out following the magnetic attraction of the magnet on the insert when the cooking vessel is positioned at its determined location and when the insert has a temperature below its Curie temperature (TCx), and the switching from the first operating mode to the second operating mode being carried out following the loss of magnetic attraction of the magnet on the insert when the cooking vessel is positioned at its determined location and when the insert has a temperature greater than or equal to its Curie temperature (TCx) or when the cooking vessel is withdrawn from its determined location. - a cooking vessel comprising a body and a ferromagnetic insert having a determined Curie temperature (TCx) arranged in the body, - a heating device for the cooking vessel to be positioned at a determined location of the heating device wherein said cooking vessel is capable of being positioned to be heated by said heating device, said heating device comprising: - heating means, said heating means being able to heat the cooking vessel and its insert when the cooking vessel is positioned at its determined location of the heating device, - heating means, said heating means being able to heat the cooking vessel and its insert when the cooking vessel is positioned at its determined location of the heating device, said cooking system characterised in that the heating device comprises: - a magnet positioned such that the insert of the cooking vessel is facing said magnet when the cooking vessel is positioned at its determined location, said magnet able to move between a first proximal position of the insert and a second distal position of the insert when the cooking vessel is positioned at its determined location, - a means for detecting the position of the magnet, - a unit for processing a signal delivered by the detection means, - a magnet positioned such that the insert of the cooking vessel is facing said magnet when the cooking vessel is positioned at its determined location, said magnet able to move between a first proximal position of the insert and a second distal position of the insert when the cooking vessel is positioned at its determined location, - a means for detecting the position of the magnet, - a unit for processing a signal delivered by the detection means, and in that the heating device has a first operating mode wherein the magnet is in its first position and the heating of the cooking vessel by the heating means is allowed, and a second operating mode wherein the magnet is in its second position and the heating of the cooking vessel by the heating means is prohibited, with the switching from the second operating mode to the first operating mode being carried out following the magnetic attraction of the magnet on the insert when the cooking vessel is positioned at its determined location and when the insert has a temperature below its Curie temperature (TCx), and the switching from the first operating mode to the second operating mode being carried out following the loss of magnetic attraction of the magnet on the insert when the cooking vessel is positioned at its determined location and when the insert has a temperature greater than or equal to its Curie temperature (TCx) or when the cooking vessel is withdrawn from its determined location.