• Preheat the oven to 350 degrees.
• Grease a 9x13-inch metal baking dish with baking spray or a light coating of butter.

Prepare the icing:

• In a small mixing bowl, combine the powdered sugar, 2% milk, and vanilla flavor. Using a fork stir until well combined. Set aside.

Prepare the batter:

• In a large mixing bowl, cream the butter, brown sugar, and cane sugar together.
• Once smooth and creamy, add the egg and whisk.
• Next, you’ll add the vanilla flavor and milk, whisk again.
• Grab a Ziplock bag and add 8-10 Oreo cookies. Option to remove the filling with a knife.
• Using a mallet, crush the cookies until you have 1 cup.
• Then, you’ll add the dry ingredients into the mixing bowl with the wet ingredients.
• This includes, AP flour, cocoa powder, baking soda, and baking powder. Whisk well.
• Gently fold a ½ cup of the crushed Oreo cookie into the batter. Reserve the second half for the top of the batter.
• Spread the batter in the prepared baking dish. Top with the second ½ cup of crushed Oreos.
• Bake for 30 minutes at 350 degrees or until they pass the toothpick test.
• Remove from the oven and allow the bars to cool for 15 – 20 minutes before slicing.
• Once the bars are cool, drizzle them with the vanilla icing and enjoy!