The Best HEAT DIFFUSER in the World! Long, slow simmering is easy with the perfect heat control of the SimmerMat. Finally a tool that allows you to cook at the lowest setting possible for long, slow simmering without sticking, scorching or burning. By using the controlled, even heat of the SimmerMat you can cook sauces, custard, rice, soup, melt chocolate, etc. The SimmerMat works on ALL cooking surfaces: gas, electric, glass, ceramic, and induction stove tops. Features: Ideal for ALL simmering and slow cooking. No more “hot spots” – nothing will stick, scorch, burn or boil over