In a bowl combine flour , baking soda, cornstarch, and salt.
In a seperate bowl combine butter, brown sugar, and sugar.
Combine your wet and dry ingredients and stir to make a soft dough.
Fold in your chocolate chips and cover in the fridge for up to 3 hours.
Remove from the fridge and spoon dough into and roll into balls and lay out onto a greased Baking Pan and set onto the Cooking Rack on the lowest position.
Set your Bravo to Bake at 350°F for 12 minutes.
Once finished carefully remove the Baking Pan and let cookies cool for 10 minutes. Serve and enjoy.