My church friend taught me this trick to clear that dull grey oxidation off vintage aluminum cookie sheets before holiday baking season with 0 effort. Here’s how it works
How to Clean Oxidized Aluminum Cookie Sheets Without Scrubbing for Hours Every year, right before holiday baking season, I pull out my older aluminum cookie sheets and have the same thought: they still bake beautifully, so why do they look so tired? Mine had that familiar flat, dull-gray appearance that made them look permanently…