Look closely at your serving piece to find the direction of the finish, which will contain natural scratches on the surface. You will use this to ensure you're blending any scratches into the finish.
Dampen an ultra-fine abrasive pad with water. Squeeze out excess moisture.
Rub the ultra-fine abrasive pad over the scratched area, moving the pad with the direction of the finish. Gently continue to rub to blend the scratches into the finish.
Fill a dish pan with warm water. Add three or four drops of dish-washing detergent.
Submerge your serving piece into the detergent solution. Scrub it with a soft sponge.
Rinse your serving piece with water. Dry it with a soft kitchen towel.