How to clean a marble cutting board?

Baking soda and water should help remove any stains - make sure you use a very soft cloth!

www.royalcareservices.com/care_tips.htm has information on cleaning marble & a free guide using a 'liquid stone soap.' Not using hot water on marble nor oil based dusting cleaners...as it causes marble to streak. Marble should be seal annually to prevent chemicals/food products from entering into the marble itself.

Here is another link on marble cleaning that might work for you. http://www.wikihow.com/Clean-Marble

We use half a lemon on a cutting board or marble pizza stone. Then the lemon goes through the garbage disposal in the sink. Best wishes!