Heat the Air Fryer0 degree Celsius.
Season lamb rack with salt and freshly milled black pepper.
Set aside.
Using large bowl, Combine dry breadcrumbs, grated garlic, 1/2 tsp salt, cumin seeds, cumin, oil and grated lemon rind.
In a separate large bowl, beat an egg with a fork.
Dip the lamb rack into the egg and coat with the spiced breadcrumbs, forming a crust.
Add the coated lamb rack in the Basket and slide the basket into the Air Fryer.
Set the timer minutes.
After 25 minutes, increase the temperature0 C and set the timer for another 5 minutes.
Move out the meat from the Air Fryer and leave it to rest, covered with aluminium foil for 10 minutes before serving.