Preheat air fryer to 375°F (190°C)

Steam broccoli briefly until slightly tender

Drain and chop broccoli finely

In a mixing bowl combine broccoli, cheddar cheese, mozzarella, cream cheese, breadcrumbs, and Parmesan

Add egg, garlic powder, onion powder, salt, and black pepper

Mix until the ingredients form a thick mixture

Shape mixture into small bite-sized balls or nuggets

Lightly spray air fryer basket with cooking spray

Arrange poppers in a single layer in the basket

Spray tops lightly with oil

Air fry until golden brown and crispy

Remove from air fryer and allow to cool slightly before serving