Rinse zucchini and pat dry with a paper towel. Trim both ends of the zucchini. Cut the zucchini into 1/2-inch thick slices. Cut the slices into four pieces for cubes or leave it as rounds.

In a small bowl, mix the onion powder, garlic powder, oregano, salt, black pepper, and parmesan cheese. Add the zucchini to a large mixing bowl, and add the olive oil; toss to combine. Next, add the spice mix and toss to coat the zucchini evenly.

Preheat the Air fryer to 380°F. Place the zucchini in a single layer in the Air fryer basket. Cook in batches if needed. Air fry zucchini at 380°F for 12 to 15 minutes, shaking the basket halfway through until golden brown. For al dente texture, cook for just 10 minutes.

Serve warm and garnish with grated parmesan cheese.