They are coated in chemicals that can sneak into your cookies and cakes as they bake. Plus they are basically horrible for the environment and the companies who make them are polluting drinking water everywhere. But, have no fear of broken cakes and cookies sticking, we have some tips and tricks to make sure that doesn't happen. Greasing and flouring your pans or using unbleached parchment paper to line them might take an extra minute, but it works really really well! We promise!