Step 1

In a medium bowl, whisk together the flours, baking soda, baking powder, cornstarch, and salt. Set aside.

Step 2

In the bowl of a standing mixer, beat the butter and sugars on medium speed for 2 minutes.

Step 3

Add the egg and the vanilla, beat until smooth.

Step 4

Turn off the mixer and scrape down all sides. Add the flour mixture and mix until smooth, starting on low speed and moving up to medium.

Step 5

Add chocolate chips and mix to incorporate.

Step 6

Allow to sit in the fridge for 20 minutes up to overnight for the best results or proceed with the recipe as follows.

Step 7

Preheat oven to 350.

Step 8

Scoop out large, heaping 6 ounce size cookies, roll into a ball and place onto a parchment lined baking sheet and bake for 12-14 minutes, less time if there was no refrigeration (I press mine down a little). Remove to a cooling rack as soon as you are able and enjoy!