Arrange the tortillas onto a smooth surface.
Place the shredded meat over one corner of each tortilla, followed by onion and cheese.
Roll each tortilla to secure the filling and secure with toothpicks.
Spray each taquito with cooking spray evenly.
Grease the Air Fryer Basket with cooking spray and then slide inside.
Adjust the temperature of Air Fryer to 400 °F to preheat for 5 minutes.
After preheating, arrange the taquitos into the greased Air Fryer Basket in a single layer.
Slide the basket into Air Fryer and set the time for 8 minutes.
While cooking, flip the taquitos once halfway through.
After cooking time is finished, remove the taquitos from Air Fryer and serve.