The Avanti® Folding Simmer Ring Heat Diffuser is an essential tool for any cook to efficiently simmer food slowly and gently, preventing burning and scorching. Suitable for gas and electric cooktops, it helps control the temperature of your cooking surface to ensure long, slow cooking. Heat is distributed evenly to eliminate hot spots and is perfect for simmering sauces, soups, casseroles and other foods slowly. Sized to fit larger burners, it also creates a flat cooking surface to balance smaller pots like espresso makers. Made from tinplate it is durable, lightweight, sturdy, will not rust and features a stay cool folding handle for compact storage.