So another myth is busted.
Aluminum foil has a shiny side and a dull side. Many people believe that it matters which side is used up or down. The truth is that it makes no difference at all. The reason the two sides look different is due to the manufacturing process. When the sheets of aluminum are rolled out, the side that comes in contact with the rollers comes out shiny.
For more see Aluminum Foil: Should the Shiny Side be Up or Down When Cooking? | CulinaryLore
Aluminum foil has a shiny side and a dull side. Many people believe that it matters which side is used up or down. The truth is that it makes no difference at all. The reason the two sides look different is due to the manufacturing process. When the sheets of aluminum are rolled out, the side that comes in contact with the rollers comes out shiny.
For more see Aluminum Foil: Should the Shiny Side be Up or Down When Cooking? | CulinaryLore
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