As a food safety expert, I can tell you that cooking food wrapped in aluminum foil is generally safe, provided that you follow some guidelines. Aluminum foil is designed to withstand high temperatures and is commonly used in cooking and baking. However, there are a few important points to consider:


1. Avoid Direct Contact with Acidic Foods: When acidic foods like tomatoes, apples, or citrus fruits are wrapped in foil and cooked, the acid can cause the aluminum to leach into the food. This is not dangerous in small amounts, but it's best to avoid it.


2. Proper Venting: If you're wrapping food tightly in foil, make sure there's some venting to allow steam to escape. This prevents the food from becoming soggy.


3. Watch Out for Overheating: While aluminum foil can handle high temperatures, overheating can cause it to tear or the edges to become sharp.

4. **Avoid Aluminum Foil with Non-Stick Coatings**: Some foils are coated with a non-stick material that should not be used in the oven.


5. Recycling Considerations: Aluminum foil can be recycled, but it's important to clean it first. Grease and food particles can contaminate the recycling stream.

In conclusion, while it's safe to cook with aluminum foil, it's important to use it properly to ensure food safety and quality.

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Instead, we'd recommend using glassware or porcelain when preparing baked dishes. It's safe to wrap cold food in foil, though not for long stretches of time because food has a shelf life and because aluminium in the foil will begin to leach into the food depending on ingredients like spices.read more >>