Optional, but recommended: Place raw potato wedges in a bowl and add cold water and 2 cups of ice cubes. Let them soak for at least 30 min, then drain them and pat them dry with paper towels.
Preheat Air Fryer if it is recommended for your model.
In a large bowl or ziplock bag, combine olive oil, paprika, garlic powder, cayenne pepper, salt, and black pepper. Add the potato wedges and toss to coat the potatoes with the seasoning.
1 ½ tablespoons olive oil, ½ teaspoon paprika, ¼ teaspoon garlic powder, ⅛ teaspoon cayenne pepper, 1 teaspoon sea salt, ¼ teaspoon ground black pepper, 2 medium Russet potatoes
Place wedges in the basket of the air fryer and cook for 15–20 minutes at 400F (200C) until crispy. Shaking the basket every 5 minutes. Depending on your Air Fryer, you might have to fry them in batches.
In a bowl, combine grated Parmesan cheese and parsley if using. Transfer the cooked wedges to the bowl and toss until coated with the topping. Serve with ketchup or sour cream on the side.
½ cup grated Parmesan cheese, 1 tablespoon chopped parsley