The role of tinfoil has five main aspects:
1.
Prevent food from sticking to the baking sheet;
2.
Prevent food from sticking to the dirt;
3.
Convenient to clean the baking sheet;
4.
There are some foods that bake when there are spices, fillings and so on, afraid of falling out with the tinfoil wrapping on;
3. Paper;
5.
Prevent the loss of moisture, to maintain freshness.
The role of the greaseproof paper:
1.
Pad on the baking sheet, preventing pastries and baking sheet adhesion;
2.
Absorb a small amount of overflow of grease, to keep the baking sheet clean.