Make sure the baking paper just covers the base of the air fryer - it shouldn't overhang the sides.
Make sure you pierce the baking paper with several holes to allow for even baking.
Make sure you refrigerate the dough for at least 30 minutes otherwise the cookies will spread too much and they won't be nice and thick!
These cookies are best eaten on the day they are baked, but will last up to 3 days in an air tight container.
The dough can be frozen into individual portions which is perfect if you don't want to make a whole batch!
If cooking from frozen, allow an extra 1-2 minutes baking time.
The chocolate chips can be substituted for chopped chocolate or chocolate chunks.