The United States is a country in the grip of cupcake fever! Cupcake cookbooks, cupcake parties, even cupcake bakeries are springing up. You can catch the fever with our favorite cupcake pan. It's made of even-heating aluminum for great results and features a tight-fitting, snap-on plastic lid. The lid keeps cupcakes fresh for storage and safe for transport. To preserve the appearance, hand-washing is recommended; the dishwasher will cause discoloration that is cosmetic only, and will not affect performance.