A food editor explains the difference between PYREX with capital letters, pyrex with lowercase letters, and Pyrex with the capital “p.” Simply Recipes / Wanda Abraham A Pyrex liquid measuring cup was ...

Pyrex serving dishes with flowers on them. - Danielle Skibola/Getty Images Vintage Pyrex cookware has become a cult favorite among collectors, home cooks, and kitchen nostalgia enthusiasts alike, but ...