Preheat the air fryer to 400 degrees F.
Clean the asparagus and pat dry. Cut about 1 inch of the bottom of the asparagus.
Place the asparagus in a bowl, sprinkle with salt, onion powder, garlic powder, olive oil, and freshly grated parmesan cheese.
Sprinkle salt, onion powder, garlic powder, olive oil, and freshly grated parmesan cheese over the asparagus.
Toss the asparagus with your hands until evenly coated with the seasonings.
Place asparagus in a single layer in the air fryer basket.
Set them in the air fryer for 8 minutes at 400 degrees F.
Remove asparagus from the air fryer. Grate more parmesan cheese on top before serving.
Serve it with your favorite meal.
Enjoy!