Combine the green beans, olive oil, salt and pepper in a mixing bowl.
Toss to incorporate the ingredients. Add to the air fryer basket and shake to distribute evenly (insert the crisper tray first if your air fryer has one).
Air fry at 375° F for 8-10 minutes depending on your preferred texture and level of browning.
I used a Ninja Max 5.5 qt. air fryer. If your air fryer does not have a 375° F setting, set it to 380° F.The nutrition information shown is an estimate provided by an online nutrition calculator. Accuracy is not guaranteed. Information shown should not be considered a substitute for a professional nutritionist’s advice. Nutrition was calculated based on a yield of 3 servings.