May 01, 2018 · Depends on the size of the pan, scaling of the recipe, and the appetite of the diners. If it's a regular recipe or a boxed mix, it will likely be a 9x9 pan, which I usually cut into about 9 bars, or a 9x13 pan, which I usually cut into 12 servings... Nov 03, 2017 · I am a self-proclaimed dessert lover. Brownies, pie, cookies- I love them all. The worst part about dessert, is when it’s gone and that’s why I’m always trying to figure out how to make it last. I love the idea of sheet pan desserts because they make large qualities, with the same amount of work of making a small batch! Oct 20, 2019 · You brush the pan with softened butter or melted coconut oil before pressing in the first layer of paper (that helps it stick), then grease the parchment to help the second layer of paper (which you place in the pan running the other direction) stick to that. yes, If the box directions use a 9 x 13, then a jelly roll pan which is 10 x 15 x 1" will use one box and the brownies will be thinner. They only need to bake at 350 and test after 15/ 20 minutes. Line a half-sheet pan (13" x 9" -- make sure it has a decently high edge) with parchment paper. Preheat the oven to 350 degrees F. Add the eggs, cocoa powder, baking powder, espresso powder, and vanilla to a large bowl or stand mixer. Beat for about 4 minutes until smooth and shiny.