Recently I saw the viral reel (below) that says, "Did you know that the shiny side of foil is for hot food and matte side is for cold?" It also claims that the dull side of foil is non-stick. Have I ...

Makers of aluminum foil don't intentionally make a shiny and a dull side for any culinary purpose ... stainless steel or iron with aluminum foil. That discoloration is aluminum oxide, a harmless ...