The tutor looks into the difference between the dull and shiny sides of aluminum foil.

According to Reynolds, whether the shiny or dull side touches the food doesn’t matter; performance is the same.

The reason one side is shiny is that it’s the one that contacted the rollers during production; the dull side didn’t. However, the difference between the two is appearance rather than functionality.

Source:

americastestkitchen.tumblr.com

Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.