Aluminum foil is a thin, flexible sheet made from aluminum. It is commonly used in cooking and food storage due to its ability to withstand high temperatures and its effectiveness in preserving food freshness. Aluminum foil can be used to wrap food for baking, grilling, or roasting, cover dishes to retain moisture, and store leftovers to maintain their flavor and prevent contamination. Its reflective surface also makes it useful for insulating and protecting food from light and heat.

What is "aluminum foil"?

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