Rice Cooker Heating Plate: The Core of Efficient Cooking The heating plate is a critical component of a rice cooker, responsible for converting electrical energy into heat to cook rice and other grains. This plate is usually found at the base of the rice cooker, providing even heat distribution to ensure thorough and consistent cooking. Whether you're preparing simple white rice, brown rice, or more complex dishes like porridge, the heating plate plays a vital role in the applianceâ??s performance. What is a Rice Cooker Heating Plate? A rice cooker heating plate is a flat, circular or disc-shaped heating element made of metal (typically aluminum or copper) that sits at the bottom of the cooker. When electricity passes through the plate, it generates heat that cooks the rice in the pot placed above it. The heating plate works in conjunction with a thermal sensor or thermostat that monitors the temperature and adjusts the heating process for optimal results.