Whisk together all ingredients except the asparagus in a small bowl. Coat the asparagus evenly by drizzling the dressing over it and using your hands to distribute it thoroughly.
Let it marinate until ready to air fry, at least 10 minutes or up to a few hours.
In batches, as needed air fry the asparagus at 400F in a single layer for 5 minutes, remove and shake the basket then continue air frying for another 3 to 5 minutes, depending on the thickness.
Notes
Work in batches as needed: Never crowd the air fryer basket. You want the air to circulate around the food to get crisp, browned edges.Cook time will vary: This will depend on the thickness of your spears and the wattage of your air fryer.No Air Fryer, No Problem: Bake 400F 10 to 15 minutes.