1. Mix the first 9 ingredients in a bowl (Turkey-Milk), then roll into 15 equal balls
2. Spray basket with cooking oil, do NOT overcrowd the basket. I did 2 batches
3. Air Fry @ 400 for 12 min. At the 6 min mark, flip and rotate
4. Top with 1/2 Cup Sauce, air fry for another 2 min @ 400
5. Open Sub Bun and spray with cooking oil, then add 1/2 cup of Mozzarella, and place in Air Fryer and cook @ 400 for 2-3 min.
6. Add Meatballs to Sub, top with remaining 1/2 cup Sauce and Mozzarella. Then enjoy or Air Fry for another 2-3 min to melt cheese.