RARE 70’s Vintage Corning Ware Spice of Life A-21 Open Baking Pan L’Echalote. Spice up your cooking with this beautiful CorningWare oven pan in a lovely multicolor design. Measuring 14.5″ x 11.5″ including lip, this rectangular roaster is perfect for any electric or gas oven. The Corning material and ceramic surface coating make it easy to clean and safe for use in the microwave.