Lining a baking sheet when making cookies: Not only will the parchment help cookies bake more evenly, the non-stick quality also helps prevent them from cracking or breaking when lifting them off the sheet.

Does parchment paper ruin cookies?

You might burn your cookies if you grease your baking sheet with butter. Most pastry chefs, including Cowan, line their baking sheets with parchment paper when they bake cookies. ... " Using butter to grease your cookie sheet can cause the bottoms of your cookies to burn."

What happens if you don't use parchment paper for cookies?

Greased Pan

Since parchment paper is often used to create a nonstick surface, greasing the pan will accomplish the same results. Coat your cookie sheet or pan with cooking spray, butter, or oil. Then, lay the food directly on the pan. This will work for everything but the most delicate or gooey treats.