Use Parmesan powder, not fresh grated — fresh clumps and shortens shelf life. Crush rosemary before adding. If Parmesan powder is salted, reduce kosher salt by 1 tbsp. Pat wings COMPLETELY dry before oiling. Wire rack over baking sheet is required for oven method — not directly on pan. Use 2-3 tbsp per 2 lbs of wings. For extra crispy: refrigerate seasoned wings uncovered 30-60 min before cooking. Air fryer produces crispiest result. Shake jar before each use. Keeps 1 year sealed in cool dry pantry.