01 - Pat zucchini slices dry using paper towels to eliminate excess moisture.
02 - In a shallow bowl, whisk together the egg and milk until combined.
03 - Combine panko breadcrumbs, grated Parmesan, garlic powder, smoked paprika, salt, and black pepper in a separate bowl.
04 - Dip each zucchini slice into the egg mixture, then dredge in the breadcrumb mixture, pressing gently to ensure adhesion.
05 - Place coated zucchini slices in a single layer within the air fryer basket without overlapping; cook in batches if necessary.
06 - Cook at 400°F for 8 to 10 minutes, flipping halfway through until golden and crisp.
07 - Serve immediately with lemon wedges and your preferred dipping sauce if desired.