Pre-heat oven to 290F. Cut parchment paper to a tray, and stack that in another tray. The double method prevents them from cracking / rising too quickly. Cut another parchment sheet and leave out separately- we'll use the same two trays for the second batch. | Pre-heat oven to 290F. Cut parchment paper to a tray, and stack that in another tray. The double method prevents them from cracking / rising too quickly. Cut another parchment sheet and leave out separately- we'll use the same two trays for the second batch. |