Trim the ends of the Brussels sprouts
Remove any yellow or damaged outer leaves
Cut larger sprouts in half
Rinse and dry thoroughly
Toss with olive oil, salt, and pepper
Preheat the air fryer to 375°F to 400°F
Place the sprouts in a single layer in the air fryer basket
Cook for 12 to 15 minutes
Shake the basket halfway through cooking
Cook until browned and crisp on the outside
Add optional seasonings after cooking if desired
Serve immediately