Lining a cake pan is one of those tasks, especially when using parchment instead of foil. But recently, one clever Instagram creator offered a solution so simple it feels almost obvious in hindsight: air-fryer liners. What is the viral air-fryer liner hack? View this post on Instagram A post shared by Katie, Tina, & Anna (@joyous.three)Yes, those crinkly little rounds meant for catching drips under chicken wings are now being used as ready-made baking pan liners. How do you use an air-fryer liner when baking?