I always find it very helpful to use paper cupcake liners. (delightfulemade.com)
I think I'd like to try and make them and layer ingredients in paper cupcake liners using cupcake baking pans instead of making in one large pan and then cutting them into squares. (iheartnaptime.net)
Line two standard muffin tins with paper cupcake liners. (zscupoftea.com)