18.2oz(515g)box 13x9 Family Size Duncan Hines Dark Chocolate Fudge Brownie Mix
1large egg
⅓cup(80ml)water
⅓cup(80ml)oil, (canola/vegetable)
Instructions
Preheat oven to 350 degrees Fahrenheit. Grease a 13x9 inch pan with cooking spray.
Cream the sugars and butter together in a stand mixer with the paddle attachment. Add peanut butter, egg, and vanilla. Mix together; scrape bowl as necessary.
Add flour, baking soda, and salt. Mix. Add white chocolate chips. Mix.
Prepare brownies by whisking the brownie mix, egg, water, and oil together in a large bowl. Pour into the prepared baking dish.
Scoop out some cookie dough and flatten it with your hands. Gently place the flattened cookie dough over the brownie batter, repeat until all of the brownie layer is covered with flattened cookie dough.
Bake for around 45 minutes, covering with foil after the first 20 minutes, until the cookie is firm when touched.
Notes
*Swap out your favorite family size brownie mix and use the ingredients listed on the box in place of the one mentioned above.