Copper cookware looks attractive and easily conducts heat. Commercial grade copper pots like the one shown here provide even heat when cooking, with a lining that protects the food from absorbing copper.
UC Berkeley archaeologists have discovered that unglazed ceramic cookware can retain the residue of not just the last supper cooked, but earlier meals as well, opening a window onto gastronomic practices possibly going back millennia.
Science Daily. Fri, 11 Sep 2020 14:16:51 EDT.