a dish - cleaning appliance comprising a sink having a bowl with an open top for providing access to the bowl . a rack for holding dishes is provided and is received within the bowl and a liquid recirculation system is provided for spraying liquid onto the dish rack to effect the cleaning of any dishes along the rack . the lid is mounted to the sink and is movable to selectively cover the open top of the bowl . a cutting board is positioned on top of the lid and a releasable coupling secures the cutting board to the lid to limit relative movement of the cutting board and the lid .