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Ingredients
You do not need special ingredients for this trick. You need a hot pan, a little fat, and food that is not dripping wet. It works especially well for mushrooms, onions, vegetables, diced meat, tofu, potatoes, and anything you want to sear instead of steam. Pat very wet pieces dry first.
How to Do It
Heat the pan before adding the fat, then add the food in a single layer. Leave small gaps between the pieces so you can still see some pan surface. If the batch is too large, cook it in two rounds and combine everything again at the end.
Why It Works
A crowded pan cools down quickly. At the same time, the food releases moisture, and that water cannot evaporate fast enough. Instead of browning, the pieces sit in steam. With more space, the heat stays higher, steam escapes, and the surface can brown properly. That is where the deeper roasted flavor comes from.
Common Mistakes
Do not stir constantly from the first second. Let the food sit until you see color, then turn it. Salt watery ingredients like mushrooms or zucchini a little later if you want better browning. For soups, sauces, and braises, crowding matters less; for searing, space is the whole point.