Preheat Air Fryer to 200°C for 5 minutes.
Cut up bread into crouton size. Place into a large bowl.
Place parmesan into the Thermomix bowl and mill 10 sec/speed 10. Add polenta, salt, garlic and paprika and combine 6 sec/speed 6. Pour over bread. Drizzle with EVOO and toss well to combine.
Tip into Air Fryer basket and cook for 6 min/200°C. Store in an airtight container or ziploc bag once cooled, either in the fridge or the freezer.