Preheat your oven to 350℉ and line your baking sheet with parchment paper; set aside.
In a large bowl cream the butter, sugars, and extracts.
Add the flour, cornstarch, baking powder, and baking soda to the wet ingredients and stir until all of the dry streaks disappear and the dough looks uniform.
Then fold in the chocolate chips and all but ¼ cup of the chopped Oreos.
Use a medium cookie scoop, scoop out cookie dough balls and place them evenly spaced on your prepared baking sheet. Add extra oreo crumbs to the top of each cookie.
Bake for about 12 minutes, or until they start to golden on the bottom. Serve & enjoy!
Notes
Store in an airtight container at room temperature for 4-5 days.Chocolate chip Oreo cookies can be frozen for up to 2 months without significant flavor or texture loss.