1. Clean the portobello mushrooms by gently wiping them with a damp cloth. Remove the stems and scrape out the gills with a spoon if desired.2. In a small bowl, mix together the olive oil, garlic powder, onion powder, salt, and pepper.
5. Place the mushroom caps in the air fryer basket in a single layer. Cook for 10 minutes, or until the mushrooms are golden and tender.6. Once cooked, remove the mushrooms from the air fryer and garnish with chopped parsley.