Rinse brussels sprouts with water to clean and pat dry with a paper towel.
Cut the bottom stem, then cut each brussels sprout in half. Place them in a bowl.
Toss the brussels sprouts with olive oil, salt, pepper, garlic powder and balsamic vinegar. Transfer them to air fryer basket.
Air fry them at 360°F for 10-12 minutes or until they are slightly browned. Shake them half way through.
Brussels sprouts are ready. Remove in a serving plate and drizzle with some lime juice. Enjoy as is or with a dip of garlic thyme mayonnaise.