1Slice zucchini into 3/4-inch rounds and use a milk bottle cap to punch out the centers.
2Lightly salt the rings and let sit for 20 minutes, then pat dry.
3Mix panko, Parmesan, cornstarch, garlic powder, onion powder, paprika, Italian seasoning, salt, and pepper.
4Coat rings by dredging in flour, dipping in egg, coating in panko, dipping in egg again, and coating in panko a final time. Let rest for 5-10 minutes.
5Spray rings with avocado oil and air fry at 350°F for 12–14 minutes, flipping halfway through and spraying again after flipping.