Disclosed are a cooking apparatus and a touch sensor assembly. The touch sensor assembly according to an embodiment of the present invention includes an outer cover formed of a metallic material and configured to form a part of an exterior of the cooking apparatus; and a touch module installed to be in contact with a rear surface of the outer cover, and having a plurality of touch sensors, wherein a touching part which is formed by machining a rear surface of the outer cover which is in contact with the touch sensor, and easily elastically deformed when being touched by a user, and thus transfers a pressure to the touch sensor is formed.