Abstract: Disclosed is a cover for a cooking vessel. The cover includes a screen having a dome-shaped structure and a frame coupled to a peripheral edge of the screen. The frame is adapted to be received on a top portion of the cooking vessel, thereby disposing the cover on the cooking vessel. Also disclosed is a cover for cooking vessels, which is adapted to be disposed on a top portion of cooking vessels of various sizes. The cover includes a first portion and a second portion slidably coupled to the first portion. The first portion includes a first screen, a first frame coupled to a bottom peripheral edge of the first screen, and a retracting mechanism configured on the first frame. The second portion includes a second screen, and a second frame coupled to a bottom peripheral edge of the second screen.