Heat a non0stick frying pan over medium-high heat and cook the beef for about 8-10 minutes.
Remove from the heat and drain the grease completely.
Set aside to cool.
Lightly grease a baking dish
Slide the Air Fryer Basket inside and adjust the temperature to 360 °F to preheat for 5 minutes.
In a large-sized bowl, add the cooked beef, ¾cup of cheese, eggs, scallion and cayenne pepper and mix until well blended.
Place the beef mixture into the prepared baking dish.
After preheating, arrange the baking dish into the Air Fryer Basket.
Slide the basket into Air Fryer and set the time for 20 minutes.
After 15 minutes of cooking, top the frittata with remaining cheese.
After cooking time is finished, remove the baking dish from Air Fryer and place onto a cooling rack to cool for about 5 minutes before serving.
Cut into 4 wedges and serve.