Step 1

Preheat oven to 375°F.

Step 2

Whisk together the dry ingredients in a large bowl: All-Purpose flour, cake flour, corn starch, baking soda, baking powder and salt. Set aside.

Step 3

Using a stand mixer fitted with the paddle attachment, cream the cold butter with the white sugar and brown sugar. Cream for up to 4 minutes until light and fluffy.

Step 4

Then add in the egg, egg yolk, and vanilla extract.

Step 5

Gradually add in the dry ingredients and then add in the chopped Oreo cookies and cookies and creme bars.

Step 6

Shape dough into 7-large cookies (~5 oz. each). and bake for 10-12 minutes.

Step 7

Let cookies cool on the cookie sheet for 15 minutes and then transfer to a wire cooling rack.