A cooking vessel with rotary blades suitable for working with a cooking hob provided with a continuous glass or glass ceramic support plate and rotary blade driving means including a lower magnetic coupling member rotatably installed below said support plate, where said cooking vessel comprises: a vessel wall with a bottom and an upper opening; rotary blades installed inside said vessel wall; an upper magnetic coupling member connected to said rotary blades and arranged for facing and being located at a short distance from an upper surface of said support plate when said cooking vessel is located t on said support plate so that said lower magnetic coupling member of the cooking hob magnetically transmits a torque to the upper magnetic coupling member; characterized in that the cooking vessel further comprises: - a support element located at a lower level than said bottom of the vessel wall for resting on the support plate, said support element being made of a silicone-based elastomer material with a coefficient of friction with respect to the support plate high enough to prevent the cooking vessel from rotating around in the event that the rotary blades being locked; - a lid for closing said upper opening; and - an electronic circuit in connection with a lid position detector configured and arranged for detecting if said lid is in a closed position, where said electronic circuit includes a signal emitter configured for wirelessly emitting a signal representative of the closed position of the lid, said signal being suitable for being received by a signal receiver located below the support plate for enabling or disabling the operation of said rotary blade driving means of the cooking hob according to said emitted signal. a vessel wall with a bottom and an upper opening; rotary blades installed inside said vessel wall; an upper magnetic coupling member connected to said rotary blades and arranged for facing and being located at a short distance from an upper surface of said support plate when said cooking vessel is located t on said support plate so that said lower magnetic coupling member of the cooking hob magnetically transmits a torque to the upper magnetic coupling member; characterized in that the cooking vessel further comprises: - a support element located at a lower level than said bottom of the vessel wall for resting on the support plate, said support element being made of a silicone-based elastomer material with a coefficient of friction with respect to the support plate high enough to prevent the cooking vessel from rotating around in the event that the rotary blades being locked; - a lid for closing said upper opening; and - an electronic circuit in connection with a lid position detector configured and arranged for detecting if said lid is in a closed position, where said electronic circuit includes a signal emitter configured for wirelessly emitting a signal representative of the closed position of the lid, said signal being suitable for being received by a signal receiver located below the support plate for enabling or disabling the operation of said rotary blade driving means of the cooking hob according to said emitted signal. - a support element located at a lower level than said bottom of the vessel wall for resting on the support plate, said support element being made of a silicone-based elastomer material with a coefficient of friction with respect to the support plate high enough to prevent the cooking vessel from rotating around in the event that the rotary blades being locked; - a lid for closing said upper opening; and - an electronic circuit in connection with a lid position detector configured and arranged for detecting if said lid is in a closed position, where said electronic circuit includes a signal emitter configured for wirelessly emitting a signal representative of the closed position of the lid, said signal being suitable for being received by a signal receiver located below the support plate for enabling or disabling the operation of said rotary blade driving means of the cooking hob according to said emitted signal.