If your parchment paper keeps curling into a little tunnel just as you are trying to line a tray, the problem is usually not your technique — it is the paper itself. Parchment is made to be stiff enough for handling, so it has a natural memory that makes the edges spring back. The easiest fix is also the simplest: before you use it, scrunch the sheet tightly into a ball, then open it back up. That quick crumpling relaxes the paper and takes the tension out of the fibers.
For everyday baking, I like to prep parchment this way before anything else. Tear off the sheet, compress it into a tight ball with both hands, then flatten it out roughly. It will still look wrinkled, but it will behave much better in the pan. If you want an even neater result, lightly dampen your baking sheet or brush the corners with a tiny bit of oil or butter before laying the paper down. The moisture or fat acts like a soft glue and helps hold the paper in place.
Best ways to keep parchment flat
- Use the crumple first: scrunch the sheet into a ball, then reopen it.
- Press the paper into the pan so it reaches the corners, not just the base.
- Weigh down the edges with batter, dough, or a little food before filling the tray.
- Trim oversized corners if they are poking upward and catching hot air.
- If the paper is especially stubborn, use a sheet of silicone baking mat instead for flat tasks.
There is one more detail that matters: not every tray behaves the same. Shallow rimmed baking sheets tend to let parchment lift at the edges because hot air circulates freely underneath. Deeper pans and loaf tins hold the paper down better. If you are lining a flat sheet for cookies, it helps to place the dough on the paper as soon as it is lined, instead of leaving the empty tray sitting in a hot oven while the parchment has time to curl again.
For breads, cakes, and other batters, a flatter sheet of parchment can make the whole process cleaner because it lifts out more easily after baking. For crisp items like roasted vegetables or fish, just remember that parchment is meant to help with release, not to replace all browning. If you want the underside to dry out and color more strongly, use parchment sparingly or remove it near the end of baking when the food is set.
The bottom line is that curled parchment is a paper problem, not a baking failure. A quick crumple, a little pressure in the pan, and a simple anchor from the food itself are usually enough to make the sheet behave. Once you start doing it automatically, lining a tray becomes one of those tiny kitchen tasks that suddenly feels much less annoying.