Claire is Lifehacker's Senior Food Editor. She has a B.S. in chemistry, a decade of food journalism experience, and a deep love for mayonnaise and MSG. Silicone mats and parchment paper basically do ...

Both have their pros and cons. You’re probably used to seeing cookie recipes that call for lining your half-sheet trays with parchment paper, so what gives with the rise in popularity of silicone ...