A system and method for adding moisture to food during barbecue grilling is disclosed. The method comprises the steps of providing food, providing ice cubes, placing the food on a barbecue grill, positioning the ice cubes on the barbecue grill adjacent to the food, and providing sufficient heat to melt the ice cubes and to cook the food. As the ice cubes melt, water from the ice cubes drips onto the heat source, causing water vapor to rise, thereby providing moisture to the food. In some embodiments, the ice cubes are provided with wood particles, such as mesquite, cherry, hickory, oak, etc., in order to provide flavoring for the food in addition to moisture. The system for adding moisture to food during barbecue grilling comprises an ice cube tray, a container containing a plurality of wood particles, and a package holding the ice cube tray and container.