Peel and slice the parsnips thinly (less than 1mm if you can - be careful with those fingers!!!).

Toss the slices in enough vegetable oil to cover them and season with salt and pepper. Be generous with the pepper.

Preheat the air fryer to 190C/375F for a couple of minutes.

Lay out the slices evenly in the air fryer (ideally not overlapped, but they will probably move around during cooking anyway). You may need to cook in small batches.

Cook for 8 to 10 minutes, shaking the parsnips from time to time to ensure even cooking.

Once cooked (golden brown all over), turn off the air fryer but leave the chips inside to cool gently and crisp up.