Some wooden cutting boards are heat-resistant and can go in the microwave. If you have a heat-resistant cutting board, follow the manufacturer’s instructions on proper cleaning and caring for the board. With proper care, your heat-resistant cutting board will last for many years. If you're unsure whether your wooden cutting board is heat-resistant, please check out the manufacturer's website and see if you can find any helpful information. Another way to be sure is to directly call the manufacturer for advice regarding whether or not the wooden cutting board is heat resistant.