Jelly roll pans are rectangular, rimmed baking sheets sized to hold thin batters and gentle rises, originally developed for rolled cakes like Swiss rolls and jelly roll cakes. These pans give batter enough room to expand and set without spilling over the edge. The raised rim also helps contain juices or sweet glazes during baking, which makes these pans more versatile than flat cookie sheets. Because of their proportions, jelly roll pans are especially useful when you want a thin, even layer of cake that can be lifted and rolled without breaking.

They are also handy for sheet cakes, brownies, dessert bars, and items that benefit from a broad, even surface and controlled edges. The short walls keep batters from spreading too far, which helps maintain texture and height across the pan. In everyday baking, these pans work well for small batches too. Their size fits most home ovens easily, and the rimmed sides make them suitable for quick roasting of vegetables or baking small portions of savory dishes. Choosing a jelly roll pan that resists warping and conducts heat steadily helps your bakes cook evenly from corner to corner, so you can judge doneness by sight and feel rather than guesswork.