The purple glowing coils inside a toaster produce infrared radiation, which dries and chars the surface of the product you are toasting. Rolling Pin - You will need to roll out the puff pastry into a larger, thinner piece. I like this thin French rolling pin, mainly because it's smaller https://mylesaksxd.wikistatement.com/3919551/details_fiction_and_toaster_oven_safe_dish