Care Instructions Care Info Le Creuset ® Spinach Teakettle Avoid severe temperature change; bring to room temperature. Do not add liquid to very hot or very cold dish. If the glass is chipped or cracked, discard immediately. Do not bang the teakettle down onto a stove's/counter's surface. Repeated banging may damage the exterior surface. Don't place kettle on heat source without having water in kettle. Never leave a kettle simmering for long periods of time on heat Overheating of kettle may damage the enamel on the base.