Grease the Air Fryer Basket with cooking spray and then slide inside.
Adjust the temperature of Air Fryer to 390 °F to preheat for 5 minutes.
After preheating, arrange the potato cubes into the greased Air Fryer Basket in a single layer.
Slide the basket into Air Fryer and set the time for 10 minutes.
Lightly grease 4 ramekins with cooking spray. Set aside.
Meanwhile, in a bowl, add cream, eggs and flour and mix until a thick sauce forms.
After cooking time is finished, remove the potato cubes from Air Fryer and place onto a plate.
Divide the potato cubes into the prepared ramekins evenly and top with the egg mixture, followed by the cheese.
Arrange the ramekins into the Air Fryer Basket.
Slide the basket into Air Fryer and adjust the temperature of Air Fryer to 390 °F for 10 minutes.
After cooking time is finished, remove the ramekins from Air Fryer and serve.