In a bowl, add flour, baking powder, and salt and mix well.
In another bowl, add the cream cheese, and butter and beat until well combined.
Add the sugar and whisk until fluffy and light.
Now, place the eggs, one at a time and whisk until just combined.
Add the flour mixture and stir until well combined.
Stir in the lemon juice.
Place the mixture into silicone cups evenly.
Slide the Air Fryer Basket inside and adjust the temperature to 365 °F to preheat for 5 minutes.
After preheating, arrange the silicon cups into the Air Fryer Basket.
Slide the basket into Air Fryer and set the time for 15 minutes.
After cooking time is finished, remove the silicone cups from Air Fryer and place onto a wire rack to cool for about 10 minutes.
Now invert the muffins onto the wire rack to completely cool before serving.