Preheat the air fryer to 375°F. Trim 1 lb French green beans by arranging them in a uniform pile and cutting off the stems. Easy peasy!
In a mixing bowl, add green beans, 1 Tablespoon oil, ½ teaspoon kosher salt½ teaspoon kosher salt, ¼ teaspoon garlic powder, and ¼ teaspoon black pepper.
Place green beans into the air fryer in a single layer. Avoid overcrowding to ensure even cooking.
Air fry 5-7 minutes, shaking basket halfway through air frying.
When tender crisp to your liking, remove the green beans to a serving dish and drizzle with Garlic butter and a sprinkle of Parmesan cheese if you like.
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Notes
Don't overcrowd the air fryer basket. Cook in a single layer to allow airflow around the food.
Cook time may vary depending on your specific air fryer model, as all brands have their differences.
Use an oil sprayer with your preferred oil. Avoid using a pressurized cooking spray with additives as it can damage the air fryer surface.
Recipe time and temperature is based on a preheated air fryer. If cooking in multiple batches, be sure to check on the remaining batches early, as they might cook more quickly.
Remember to set your timer if your air fryer doesn't remind you to shake halfway through cooking!