1: Using a three-bowl breading station, separate the egg whites, flour, and bread crumbs.
2: Dip the mozzarella stick into the egg whites.
3: Coat in the flour.
4: Dip back into the egg whites.
5: Coat in the bread crumbs.
6: Dip into the egg whites again.
7: Coat in the bread crumbs once more.
8: Repeat for all 4 sticks.
9: Freeze for 45 minutes.
10: Lightly spray with olive oil.
11: Air fry at 400°F for 5-7 minutes.
12: Serve and enjoy!