Cooking appliance with fan and fan for a cooking appliance

The invention relates to a cooking appliance (10) with a cooking chamber (14), a cooking chamber wall (18) and a fan wheel (20) which is arranged on the cooking space wall (18) in the cooking chamber (14), wherein the fan wheel (20) on the the cooking cavity (14) facing side a plurality of main blades (26) and on which the cooking chamber wall (18) facing side a plurality of auxiliary blades (28), characterized in that the auxiliary blades (28) on which the cooking chamber wall (18) facing side with a cover (40) are provided. The invention also relates to a fan for such a cooking appliance.