Technically, there is no inside or outside to foil, but, one would suppose that the shiny side of the foil would actually be the INSIDE, because the shiny side would reflect the heat waves, such as a mirror reflects light better on a shiny surface.
I use the shiny side to cover pie crusts when I don't want them to burn because it reflects the heat away from the covered area. When I'm roasting or baking I put the dull side out because it helps the food absorb more heat and cook quicker-but only a little bit. another questin you should think about is what makes aluminum foil
Another point of viewThe folks at Alcoa (the Aluminum Company of America) will tell you that it doesn't make a difference which side is in or out when using foil - unless you are interested in looking at yourself in it. Infrared radiation - heat! - works equally the same with either side. (You can't see infrared directly.) Oh, and the "amount" of visible light (light above infrared) that is reflected by both sides is almost identical, too. It's just that the "dull" side scatters it more than the "shiny" side, which has a smoother surface and acts more like a mirror. If you have a preference, by all means continue. But not because physics dictates it. It does not.Fresh aluminum foil has a shiny and metallic luster, reflecting light due to its smooth surface.
The shiny side of aluminum foil is the correct side to use for cooking.
The shiny side of aluminum foil reflects heat better than the dull side.
The shiny side of aluminum foil should be facing outwards for better heat reflection.
Aluminum foil is shiny on one side because of the manufacturing process. During manufacturing, the foil is rolled to make it thinner, which creates a shiny side. The dull side is created by the contact between the foil and the rolling machinery.
Place the shiny side of the aluminum foil facing down when smoking pills. This side reflects heat better and can help vaporize the substance more efficiently.
There is no discernible heat retention difference between the shiny or the dull side of aluminum foil. The shiny side is shiny because of the way foil is made. During the last pass through the rolling mill, a double thickness of foil is run between the rollers. The side of each sheet that comes in contact with the polished steel rollers comes out shiny. The other side has a matte finish.
The shiny side of aluminum foil should be used for cooking to avoid any potential toxicity.
When baking cookies, it is recommended to use the shiny side of aluminum foil to help reflect heat and promote even baking.
The "inside" of tin foil is the dull side. The "outside" of tin foil is the shiny side.
it is all the same either way.
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