The scratch prevention pan liner in one aspect includes a monolithic body having a configuration conforming to the inner non-stick coated surface of a unit of cookware, the monolithic body being formed with a recess in its upper surface to receive the bottom surface of a superposed cookware unit. In a second aspect, the liner is formed from a dish-shaped member provided with a central pad from which radiate ribs configured to form a recess within which a superposed unit of cookware may be nested. To align and retain the handles of multiple cookware units oriented in a common vertical plane, U-shaped members are provided to cradle and embrace such handles.