A blender includes an outer case made of a metal material and forming an outer appearance, an inner case received inside the outer case, a jar configured to be seated on a seating portion formed on an upper surface of the inner case and provided with a blade for processing food, and a motor assembly provided inside the inner case and connectable to the blade to rotate the blade. A mounting portion is recessed from the upper surface of the inner case and a touch device is mounted on the mounting portion, and through which a user's manipulation is inputted, in which the touch device is in close contact with a rear surface of the outer case and recognizes a touch manipulation of the outer case by the user.