Preheat airfryer to 320°F.
Put the macaroni pasta, skimmed milk, and 200g of grated cheese into your air fryer's baking pan and mix well.
Cook in air fryer for 6 minutes at 320°F. After the first 6 minutes add in the extra ingredients (bacon bits, garlic puree, oregano) and stir. Set the air fryer for another 6 minutes (320°F).
After 12 minutes (total), stir and add in any additional seasonings and set it for another 6 minutes.
Give it a final stir and it is ready to be served.
*If adding a parmesan crust, mix in a bowl breadcrumbs with 50g of parmesan cheese and load onto the top of your baking pan after it has been stirred for the last time. Layer the mix so that there are no gaps and cook for 2 more minutes at 360°F.