de Buyer Iron Cooking Utensils - Iron reaches high temperatures and spreads heat evenly, making it ideal for searing, browning and grilling food. It caramelises juices and enhances flavours. This range is perfect for use on gas hobs. It is economical and heats up quickly, thereby saving time and energy. The iron utensil needs to be seasoned and becomes black and naturally non-stick the more it is used.