Le Creuset Stoneware Gravy Jug Colour: Marseille Blue So often, it’s the sauce that makes a dish. This gravy jug is perfect for serving a whole host of sweet and savoury accompaniments, from gravy and bread sauce to horseradish cream. The stoneware keeps your sauces warmer for longer, too. A Sunday and Christmas essential. Use hot or cold: our stoneware is thermoresistant from -23°C to +260°C.