Can aluminum foil facing be used for storing leftovers?

Yes, aluminum foil facing can be used for storing leftovers. Aluminum foil is a versatile food storage material that provides a barrier against air, moisture, and bacteria, helping to keep leftovers fresh. The reflective side of the foil is often used because it is thicker and more resistant to tearing, which can be beneficial for containing liquids and ensuring the food is well-sealed. However, it's important to ensure that the foil does not come into direct contact with acidic or highly salty foods, as this can lead to a reaction that may affect the taste or safety of the food.