Cream together softened butter brown sugar and white sugar until fluffy
Add egg and vanilla extract and mix until combined
Add flour baking soda and salt and mix until just combined
Fold in chocolate chips
Chill dough for 30 minutes if time allows
Preheat air fryer to 325°F (163°C) for 3 minutes
Line air fryer basket with parchment paper
Scoop tablespoon sized dough balls onto parchment
Leave 2 inches between each cookie
Cook for 7-8 minutes until edges are golden
Center should look slightly underdone
Remove and cool for 5 minutes before serving
Cookies will firm up as they cool