Whisk the eggs and milk together in a large bowl with a pinch of salt and pepper.
Add the crumpets and soak well until most of the liquid has been absorbed. You will need to turn the crumpets a few times to ensure they're evenly soaked.
Place the crumpets in a lined air fryer basket.
Sprinkle the cheese on top of each one. Then sprinkle some parsley.
Set the air fryer to 160C/320F and bake for 10 minutes, until bubbly.