Why Aluminum Foil Has a Shiny and a Matte Side

Aluminum foil is one of the most versatile kitchen items. It's not just for food wrapping—versatile!

But there's one question we all have about aluminium foil: Should we cook with the shiny or dull side? And were we doing it wrong all along?!

There is no "correct" side of aluminium foil to use when cooking, so using it on either side is not a cooking mistake that could ruin your food

They both heat food equally well, so pick your favourite.So, if there's no real reason for it, why does aluminium foil have shiny and dull sides?

Reynold's Kitchen says the difference between the two sides is due to a manufacturing process called milling

Because it would break otherwise, two layers of foil are pressed together and milled simultaneously.

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