Spray the asparagus with avocado oil and season with salt, pepper, garlic powder, and onion powder.
Place the seasoned asparagus in the air fryer at 400°F for 4 minutes.
After 4 minutes, remove the asparagus, spray with avocado oil again, and sprinkle with Parmesan cheese.
Return the asparagus to the air fryer and cook for an additional 3 minutes at 400°F.
Once done, serve and enjoy the delicious Parmesan asparagus.
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