A cooking device is provided with: a cooking tray (91) disposed within a heating compartment with a gap provided between the cooking tray (91) and the rear part of the heating compartment and allowing an object (15) to be heated to be directly or indirectly mounted thereon; a discharge opening (29) formed in the rear part of the heating compartment at a position above the gap and near the rear part of the cooking tray (91), the discharge opening (29) communicating with a duct (18) and discharging a heat medium into the heating compartment; and a flow regulation structure (62) provided behind the discharge opening (29) and regulating the flow of the heat medium. The flow regulation structure (62) has on the lower side thereof a first guide surface (63) extending in the direction substantially parallel to the horizontal direction.
