There are two approaches to using foil.
Line baking sheet with aluminium foil.
Aluminum foil aluminum foil is thin and pliable.
It s made by rolling large slabs of aluminum until they are less than 0 2 mm thick.
Do line baking pans with aluminum foil.
Line one more piece of foil on top to cover the pan lengthwise.
A simple sheet of aluminum foil can stop any spill from reaching the heating element of your oven and burning.
Food can stick to it however so you may want to coat regular foil with vegetable cooking spray or use a new sheet with each batch.
This will make cleanup of anything from brownies to oil drizzled roasted vegetables a snap.
Make sure both pieces of foil overlapping each other in the middle of the pan.
If you re cooking at a higher oven temperature which speeds up cooking time you can wrap the turkey with foil to prevent it from drying out no basting required.
Grease the foil well including all four corners.
Line half of a pan crosswise with foil.
The sheets of aluminum usually measure 0 016 mm thick or 0 024 thick for the heavy duty version.
This allows the air to flow unobstructed around the food being cooked above.
Line the bottom rack with a sheet of foil to catch anything dripping from above.
You may believe that if you line a sheet pan with foil or parchment you won t have to wash it.
Aluminum foil or tin foil is a paper thin shiny sheet of aluminum metal.
Before baking grease a square baking pan and flour lightly.
Bar cookies and brownies are very good candidates for baking in foil lined pans.
Lining sheet pans creates unnecessary waste.
Repeat the last 2 steps to cover another half of the pan.
Then line with heavy duty aluminum foil leaving a two inch edge so you can easily remove the entire bar from the pan after baking.
But i ve always found that even when you line a sheet.
Simply line a pan with foil put the turkey in the foil lined pan and brush it with oil brown says.
Because aluminum foil does conduct and distribute heat without becoming hot to the touch it s amazingly versatile for all sorts of cooking uses.
Ultimately the scientific reason you should never bake cookies on a foil lined baking sheet is simple.
Use your fingers gently push down the foil to cover the corners.