A detachable handle for a cooking container. The detachable handle includes a body having a first end with a grasping surface, a cover coupled to a top surface of the body, a movable member movable by a predetermined distance on the top surface of the body and forming a grasping portion that defines with the grasping surface a gap in which a flange portion of a cooking container is inserted, and an operating unit allowing the movable member to slide and fix and release the flange portion of the cooking container.