Preheat air fryer to 400°F (200°C) for 3 minutes

Slice zucchini into even ¼ inch rounds

Pat zucchini slices completely dry with paper towels

Toss with olive oil, garlic powder, Italian seasoning, salt and pepper

Mix parmesan with seasoned zucchini until evenly coated

Place in single layer in air fryer basket

Cook for 5 minutes then flip each slice carefully

Cook another 5 minutes until golden and crispy

Transfer to serving plate immediately

Garnish with fresh parsley and serve with ranch dressing