Permian Copper Jam PansA copper jam pan is used for making jams, preserves, caramel, candy, polenta, and other recipes that require even heating and precise temperature control. Coppers superior heat conductivity helps ingredients cook consistently while improving texture and reducing hot spots. What does Permian mean in cookware? Permian cookware refers to a traditional style of handmade copper cooking vessel that has been used for centuries throughout the Americas,