Cookies and Cream Brownies

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Cookies and Cream Brownies start with a chocolate fudge brownie base and slathered with a creamy Oreo frosting. These brownies are incredible and the perfect dessert to wow anyone!

Cookies and Cream Brownies are chocolate fudge brownies slathered with a creamy Oreo frosting.

Oh, friends. These Cookies and Cream brownies are truly delicious and so incredible. Chocolate fudge-like brownies slathered with a creamy Oreo frosting. Mmmm They are a must-make!

I dreamed up the idea of these brownies one night after I had made my Lunch Lady Brownies for my sister’s birthday. I thought an Oreo buttercream frosting would only make them better- and I was absolutely right!

You just can’t go wrong with Oreo cookies. Imagine the flavors of an Oreo in a creamy buttercream frosting. Oh, it is delicious and was the perfect way to top these brownies. 

Cookies and Cream Brownies are chocolate fudge brownies slathered with a creamy Oreo frosting.

I will warn you that these little chocolate brownie bars are addictive. 😉 It was so hard not to take bites as I photographed them. haha.

I decided right there and then that I was sending the rest with Kelsey to a friend’s party she was attending. When she came home from the party she told me they were a hit! I was so happy to hear that, but not surprised. 😉 They are GOOD! 


Twix Brownies

Lunch Lady Brownies

Rocky Road Brownies

Brownie Cheesecake Bites

Cookies and Cream Brownies

Prep Time 15 minutes
Cook Time 30 minutes
Servings 16
Author Holly



  • 1 cup salted butter melted
  • ½ cup unsweetened cocoa powder
  • 2 cups all-purpose flour
  • 2 cups granulated sugar
  • 4 large eggs
  • 1 Tablespoon vanilla extract

Cookies and Cream Frosting

  • 1 cup salted butter softened
  • 2 teaspoons vanilla extract
  • 3 Tablespoons milk or heavy cream
  • 4 cups powdered sugar
  • 12 Oreo cookies finely crushed



  • Preheat oven to 350° F. Line a 9×13-inch baking dish with foil. Spray foil with non-stick spray. Set aside.
  • In the bowl of an electric stand-mixer, add the melted butter and cocoa powder. Using the paddle attachment, blend until smooth.
  • Add the flour and granulated sugar. Beat together. Add eggs and vanilla. Mix just until combined. Don't over mix. (Batter will be thick.)
  • Pour batter into prepared baking dish and spread out evenly. Bake 25 to 30 minutes or until toothpick inserted in center comes out mostly clean. Let cool completely before frosting.

Cookies and Cream Frosting

  • In a large bowl, blend the butter, vanilla and milk together. Slowly add in powdered sugar and beat until creamy and fluffy. Fold in crushed Oreo cookies just until combined. Frost brownies evenly with frosting. Slice into 16 bars, serve and enjoy!


Nutrition Info: 1 brownie = 428 calories / 37 fat / 45 carbs / 4 protein
Recipe makes 16 brownies total. 



Brownies with a Cookies and Cream Frosting.
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