“Best options include materials that your grandparents used, such as cast iron and stainless steel,” says Andrea De Vizcaya Ruiz, professor of environmental and occupational health at the University of California, Irvine. Other good options are ceramic and enameled cast iron. For ceramic-coated cookware, look for products that are PFAS-free, as well as lead- and cadmium-free, and pay attention to wear over time.