What is the difference between the side of aluminum foil that is shiny and the side that is dull? Why are they different?

Question

Is it just because of the position when it was rolled or is there a specific use for each side?

In: 1366

Answer 1

Read once the shiny side reflects heat.

Want to protect something from browning or burning in the oven or on the grill shiny side out

Want to keep something warm out of the oven wrap the item with the shiny side inside