Mix the butter with the sugar.
4.5 oz Butter, 4.5 oz Sugar
Add an egg and incorporate it well. After you will incorporate it, incorporate the second egg. By mixing them separately, it will easier for you to get better results.
2 Egg
Finally, add the dry ingredients. Pour flour, salt, and baking powder over the previous mix that we made. Incorporate everything well.
4.5 oz All-purpose Flour, ½ teaspoon Baking Powder, ¼ teaspoon Salt
Pour the cake dough into a 6-7″ baking pan.
Preheat the air fryer to 300°F (350°C) and cook for about 30 minutes. Use a toothpick to check the if the cake is baked enough.