- COMBINE the ground beef, breadcrumbs, milk, egg, spices, salt, pepper, and Parmesan and mix well.
- ROLL the meat mixture into medium-sized balls. Set aside in the fridge for 10 minutes.
- SELECT Preheat on the Cosori Air Fryer and press Start/Pause.
- REMOVE meatballs from the fridge and add to the preheated air fryer baskets. Spray the meatballs with cooking spray and cook at 400°F for 8 minutes.
- SERVE with marinara sauce and more grated Parmesan.