Parchment paper, also known as baking paper, is a baker’s secret weapon. Parchment paper is used to line baking sheets before baking cookies, ensuring cookies that won’t stick to the pan, lining cake pans to allow cakes to slide right out of the pan, and for folding into cones for piping icing or chocolate. Use a sheet of parchment paper to cover your work surface to make cleanup easier. After using a piece of parchment paper, simply throw it away.