One of aluminum foil’s biggest advantages in the freezer is its ability to limit air exposure. When wrapped snugly, foil helps shield food from excess air, which is the main cause of freezer burn. This makes it especially useful for items like meat, bread, and leftovers that might sit frozen for weeks or months. By slowing moisture loss and protecting surfaces, proper foil wrapping can help foods retain better texture and flavor once thawed. Many people find the best results come from using foil as an extra layer around food already placed in freezer-safe bags or containers.
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