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Cookie Monster Cake

Need a cake for the ultimate Cookie Monster lover? Wait until you try this Cookie Monster Cake. Not only is it absolutely delicious, it is also so easy to make. Your guests are going to be blown away by this decadent chocolate cake.
Prep Time30 mins
Cook Time29 mins
Total Time59 mins
Course: Dessert
Cuisine: American
Keyword: cookie monster cake
Servings: 12
Author: Jill


  • 2 boxes triple chocolate cake mix
  • 2 1/2 C whole milk
  • 2 C unsalted butter softened
  • 6 large eggs

Blue Oreo frosting ingredients:

  • 2 C unsalted butter softened
  • 4 C powdered sugar
  • 1 C crushed oreo cookies
  • 3 tsp pure vanilla extract
  • 5-7 TBSP heavy whipping cream
  • 3-6 drops sky blue gel food coloring
  • 1 package mini chocolate chip cookies
  • 1 package mini oreo cookies
  • 1 package regular size oreos

Chocolate chip frosting ingredients

  • 1 C unsalted butter softened
  • 3/4 C light brown sugar
  • 1 C powdered sugar
  • 1 C flour
  • 1/2 tsp kosher salt
  • 1/4 C whole milk
  • 1 C mini chocolate chips

Chocolate Ganache Ingredients

  • 1 C semi sweet chocolate chips
  • 1/3 C Heavy Whipping cream

Squeeze bottle


    Chocolate cake Directions:

    • Preheat oven to 350 degrees and spray 3 9 inch round cake pans with
    • pam baking spray, set aside
    • Using a hand mixer and a large mixing bowl, beat all cake ingredients
    • together until fully combined.
    • Divide batter between the 3 baking pans and bake in the preheated oven
    • for 25-35 minutes or until a toothpick comes out clean in the center
    • Allow to cool completely on the counter.
    • Once cooled, remove cakes from cake pan and cut the domes off
    • Using a cake slicer, slice off the tops of the domes

    Chocolate Chip Cookie Dough Frosting Directions

    • In a standing mixer, cream the brown sugar, powdered sugar and
    • softened butter until combined
    • Beat in the vanilla extract
    • Gradually beat in the flour until combined
    • Slowly beat in the milk until the consistency is what you like
    • Fold in the chocolate chips

    Blue Oreo Frosting directions:

    • Using a standing mixer, beat on low-medium speed the butter, powdered
    • sugar, vanilla and heavy whipping cream until all combined, smooth and
    • stiff with peaks

    Build cake directions:

    • Place the first cake layer onto the cake board
    • Scoop 1 C of Cookie Dough frosting onto the cake layer and smooth evenly
    • with the angled spatula
    • Place the second cake layer on top of the frosting
    • Scoop another cup of cookie dough frosting onto the top of the second cake layer
    • and smooth evenly
    • Place the last cake layer on top
    • Scoop 1 C of the oreo frosting into a large piping bag
    • Scoop the Blue Oreo Frosting frosting onto the top of the cake and
    • frost entire cake

    Chocolate Ganache Directions

    • Using a small pot, pour the heavy whipping cream into it
    • and place on medium heat
    • Pour the chocolate chips into a medium heat safe bowl
    • Once the heavy whipping cream starts to simmer, remove from heat and
    • pour onto the chocolate chips
    • Allow to sit for 1 minute before whisking until smooth
    • Pour the chocolate ganache into the squeeze bottle

    Decorating Directions

    • Using the squeeze bottle and add chocolate ganache drips around the
    • edge of the cake
    • Using the mini chocolate chip cookies, place them around the bottom of the cake
    • Using the blue oreo frosting in the piping bag, pipe dollops along the top of
    • the cake, make sure to leave a space between the dollops
    • Place a regular size oreo in between each frosting dollop
    • Place into the fridge for 1 hour to allow the frosting to harden
    • slightly for easier cutting!