An air impingement conveyor oven including a baking case having an interior space, a food input port, a food output port, and having a longitudinal axis extending from the food input ports to the food output port; an air heating gas burner connected operatively to the baking case for heating air within the interior space; a plurality of air registers mounted within the baking case's interior space, the air registers being positioned longitudinally along the baking case's longitudinal axis; an air blower mounted within the baking case's interior space; a network of air ducts interconnecting the air registers and the air blower; left and right conveyor belts extending along the baking case's longitudinal axis and being respectively positioned leftwardly and rightwardly from the longitudinal axis; a first roller mounted intersectingly across the baking case's longitudinal axis, the first roller being frictionally engaged with the left and right conveyor belts, the first roller being annularly coffered at said axis; and an electric motor connected operatively to the first roller.