Preheat your air fryer to 320°F (160°C).
In a bowl, cream together the softened butter, brown sugar, and granulated sugar.
Add the egg and vanilla extract, mixing until well combined.
In another bowl, whisk together the flour, baking soda, and salt.
Gradually add the dry ingredients to the wet ingredients, mixing until incorporated.
Fold in the chocolate chips.
Using a cookie scoop, drop dough balls onto parchment paper.
Place the parchment with cookie dough in the air fryer basket.
Cook for 8-10 minutes, checking for a golden brown color.
Allow cookies to cool for a few minutes before transferring to a wire rack.