1: Place green beans in air fryer basket and toss with avocado oil.
2: Sprinkle with half the packet of Ranch seasoning, mix.
3: Put air fryer on 400 and cook for 6 minutes.
4: Once 6 minutes is up, sprinkle remaining Ranch seasoning mix, toss, and place back in air fryer at 400 for another 5-6 minutes.
5: Top with freshly grated Parmesan cheese.