Hand-wash with hot, soapy water. Dry thoroughly . Do not soak or submerge board in water. Occasionally rub with food-safe mineral oil to keep the wood from drying out. To sanitize, wash the board with a solution of one part vinegar to five parts water. Remove odours by rubbing the boards with kosher or table salt and half a lemon. let sit for 2 to 3 minutes then wipe clean with a damp cloth. Remove excess moisture with a clean paper towel and stand the board on end to air dry. Store in a dry area away from extreme temperatures.