is generally preferable to a full sheet that restricts airflow.
- Avoid Covering the Entire Basket
A full layer of foil can prevent hot air from reaching the bottom of the food. It may also obstruct perforations or drainage areas designed to let grease escape.
For best results, keep most of the basket open and use foil only when it serves a specific purpose.
- Be Careful With Acidic and Salty Foods
Acidic ingredients such as lemon juice, vinegar, and tomato sauce, as well as salty marinades, can react with aluminium under