You can pull out the basket directly and the unit will shut off. Then you can add ingredient to your food. After that you just put back the basket and the process resume.
Yes, the air fryer can both defrost and cook food. You just need to extended the cooking time a few more minutes accordingly.
Yes, not only aluminum foil but also pyroceram, bakeware and high temperature resistant glass can be use in the air fryer.
We suggest adding no additional oil to the dishes. For more cooking advice, you can follow the cookbook we prepare for you.