Heat the oil first. Before adding the potstickers, make sure the oil is hot and shimmering. This will help to create a barrier between the potstickers and the pan, preventing them from sticking.
Don't overcrowd the pan. When cooking potstickers, it's important to not overcrowd the pan. This will help to ensure that each potsticker has enough space to cook evenly and without sticking.
Add a little water to the pan. Once the potstickers are in the pan, add a little water (about 1/4 cup should be enough for normal pan size). This will help to create steam, which will help to cook the potstickers and prevent them from sticking.
Cover the pan and cook undisturbed. Don't lift the lid on the pan until the potstickers are done cooking. Covering the pan will help to trap the steam, which will help to cook the potstickers and prevent them from sticking.
Use a non-stick pan. It may be helpful to use a non-stick pan when cooking potstickers since it has an added layer with non-stick coating. However, even with a non-stick pan, using too much oil and high heat could still get stuck, so don't forget the other useful tricks discussed above.
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