In accordance with an embodiment of the present disclosure, a cooking apparatus includes a casing, a cooking chamber provided inside the casing and including a discharge plate at which a plurality of outlet holes are formed, a tray provided at a bottom surface of the cooking chamber to support food, and a hot air discharging unit configured to discharge high-temperature air into the cooking chamber through the outlet holes, wherein the plurality of outlet holes are formed at a first area facing the tray.