The Rice Cooker: The Everything Cooker That Never Burns Anything! Rice cookers aren't just for cooking rice & it may become your favorite appliance. It's perfect because a rice cooker is simple, cheap, and convenient. It has two settings: cook like mad, and keep food warm forever. Busy parents, senior citizens, college dorm residents all will be able to cook nutritious, healthy meals while keeping costs down. The cooker can be left unattended with no worries.