Cooking appliance including a lid that closes, in a removable manner, a working container receiving a tool spun by a motor, the lid having a body equipped with a tube for adding food, arranged in an off-center manner on the lid, wherein the lid includes a locking ring that can move by spinning on said body, and the locking ring can be in a closed position in which locking components hold the lid in a closed position on the working container, and in an open position in which the lid can be lifted off of the working container.