All-Clad Specialty Items are preferred by professional chefs and gourmet home cooks who enjoy cooking that goes beyond the ordinary, and seek the perfect accessory for every task. This 2 Qt. Stainless Saucepan with lid is fitted with a porcelain double boiler insert. It delivers heat slowly and gently, preventing scorching and separating of delicate ingredients. Using a double boiler with a ceramic insert is preferred when working with chocolate, cream based desserts and sauces. It is also ideal for reheating foods, the insert providing a cushion against high heat that might change the consistency or flavor of the food being reheated.