Calphalon Tri-Ply Cooper cookware features a heavy-guage aluminum core that is bonded to a copper exterior and a stainless steel interior. The aluminum core combined with the copper exterior allows for precise temperature control and even heat distribution. This line of cookware can be used in the oven and the broiler, which makes it easy to cook dishes that require cooktop and oven preparation. The stainless steel interior is non-reactive to foods and will keep a near new appearance for years of daily cooking. The …