Corningware White Dish with Blue Floral Accent

Blue Cornflower (or simply "Cornflower") ​ ​Era: This pattern was the main design for CorningWare from 1957 until 1988, making it the longest-running and most popular pattern. ​Material: It is made of Pyroceram, the durable glass-ceramic material that is safe for the oven, broiler, stovetop, and microwave, as noted on the back of the dish.