For meatballs: in a large bowl, add all the ingredients and mix until well combined.
Make1½-inch balls from the mixture.
Grease the Air Fryer Basket with cooking spray and then slide inside.
Adjust the temperature of Air Fryer to 380 °F to preheat for 5 minutes.
After preheating, arrange the meatballs into the greased Air Fryer Basket in a single layer.
Slide the basket into Air Fryer and set the time for 15 minutes.
While cooking, flip the meatballs once half way through.
Meanwhile, for sauce: in a small pan, add all the ingredients over medium heat and cook until thickened, stirring continuously.
After cooking time is finished, remove the meat balls from Air Fryer and place onto a platter.
Serve the meatballs with the topping of sauce.