Aluminum foil has a shiny and a dull side, but does it really matter which you use? Here's why foil has two different finishes and how it affects cooking.

Add Yahoo as a preferred source to see more of our stories on Google. Close up of a person unrolling aluminum foil from the box - Grace Cary/Getty Images The kitchen has many unspoken rules that have ...

You've probably noticed it countless times while wrapping leftovers or lining baking pans. One side of aluminum foil gleams like polished metal, while the other appears dull and matte. Some people ...