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Layered Cookie Monster Cake Recipe

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This cookie monster cake is one delicious layered cake recipe. Chocolate cake, chocolate chip cookie dough layer, then topped with blue Oreo cookie frosting. A Sesame Street birthday cake idea.

If you are looking for a cookie monster dessert, this layered cake is a hit. A Sesame Street theme that has the bright blue food coloring to give that cookie monster feel.

cookie monster cake on a platter

This cookie monster recipe is one of my favorites. You could even make this a cookie monster smash cake if you are looking to celebrate a first birthday.

Homemade chocolate ganache, tasty chocolate chip cookies, Oreos, and more all in one layered cake recipe.

Why You Will Enjoy This Cookie Monster Cake…

  • Layered Cake
  • Make boxed cake mix taste like a bakery
  • Chocolate ganache topping
  • Fun birthday themed cake
  • Great for cookie monster lovers
  • Freezer Friendly

Ingredients Needed

  • Chocolate Cake Mix
  • Milk
  • Butter
  • Eggs
  • Powdered Sugar
  • Oreo Cookies
  • Chocolate Chip Cookies
  • Vanilla
  • Whipping Cream
  • Sky Blue Food Coloring
  • Brown Sugar
  • Powdered Sugar
  • Flour
  • Salt
  • Mini Chocolate Chips

Tools For Making Cakes

Here are a few of my favorite cake tools! It made making this cookie monster birthday cake a breeze! The right tools helps to make this an easy cake monster cake.

This isn’t a tool for making a layered cake, but a wonderful container to store your cake without messing up the beautiful decorating you did. This airtight container for layered cakes is a must.

Check out this rotating cake stand with some accessories! This is a great beginner’s set to buy and use.

Here is a cake leveler that you can use to cut off the uneven top of the cake layers.

I really like the Wilton cake pans, but you can use any pan you have just as long as they are the same size pans.

How to Make

Full directions and measurements for this recipe are in the printable recipe card below.

cookie dough frosting on a cake

Step 1: Start by mixing up your cake mix, I did a boxed cake mix that I dressed up to taste more like a bakery cake. Then poured into 3 greased round pans and baked until the cake is done.

Step 2: Allow the cakes to fully cool. Then shape the cake to make the layers of cake evenly.

Step 3: Now you will whip up your chocolate chip cookie dough frosting. Then spread part of it on the bottom layer. Top with another layer of cake.

Repeat with each layer.

blue cake on a cake stand

Step 4: Whip up the blue Oreo frosting and then spread it onto the cake. Once your cake is frosting you can decorate your cake.

Place cookies around the edge of the cake, top with cookies, ganache, etc. The full directions are in the printable recipe card below.

sesame street cake on a white cake stand

Tips for Decorating

Here are some helpful tips for making this easy monster cake. While this Sesame Street Cake is stunning, just know it is easy. Don’t make it harder than it has to be.

  • Gently push the mini chocolate chip cookies into the frosting around the edge of the cake.
  • You can pipe the chocolate ganache at the edge to create that stunning drip look.
  • Choose any piping tip you like for the top, and place an Oreo cookie then a dollop of frosting. Start with frosting so your cookie has somewhere to lean.
  • The cookies will become soft after stored in the refrigerator for awhile, so I recommend to hold off decorating until you are ready to serve it.
slice of chocolate cake on a plate


Your cute cookie monster cake will need to be stored in the refrigerator. Make sure to place in an airtight cake container.

The cake will store for 4-5 days in the refrigerator. You will find it is best in the first few days, as it can dry out a bit.

Now, in terms of freezing this cake can be frozen. Place the cake in the proper container and then freeze 2-3 months.

Recipe FAQs

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cookie monster cake on a platter

Cookie Monster Cake Recipe

Yield: 1 layered cake
Prep Time: 30 minutes
Cook Time: 25 minutes
Total Time: 55 minutes

Cookie Monster Cake is a layered Sesame Street cake recipe. This is a cookie monster dessert that is delicious. A chocolate cake, with cookie dough frosting, and topped with blue Oreo frosting and decorated to look like a cookie monster.



Cake Ingredients

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

Blue Frosting Ingredients

  • 2 Cups unsalted sweet cream butter, softened
  • 4 cups powdered sugar
  • 1 cup crushed oreo cookies
  • 3 teaspoon pure vanilla extract
  • 5-7 tablespoons heavy whipping cream
  • 3-6 drops of sky blue gel food coloring

Cookie Dough Frosting Ingredients

  • 1 package of mini chocolate chip cookies
  • 1 package of mini oreo cookies
  • 1 package of regular size oreos
  • 1 cup unsalted sweet cream butter, softened
  • 3/4 cup light brown sugar
  • 1 cup powdered sugar
  • 1 cup flour

Chocolate Ganache Ingredients

  • 1/2 teaspoon kosher salt
  • 1/4 cup whole milk
  • 1 cup mini chocolate chips
  • 1 cup semi sweet chocolate chips
  • 1/3 cup Heavy Whipping cream


  1. Start by preheating the oven for 350 degrees. Then spray each cake pan with cooking spray. I used 9 inch pans, then place parchment paper inside the pans as well.
  2. In a stand mixer take your cake mix, eggs, butter, milk, and mix well. Divide the batter into the 3 round cake pans. Bake for 20-30 minutes or until the cakes are fully cooked.
  3. Place on a cooling rack and allow to cool completely.
  4. With a cake leveler you will slice off the tops to remove the dome top on the cakes to make it evne.

!Cookie Dough Frosting

  1. Place raw flour in a container and microwave for 1 minute. This will kill the bacteria in the flour. It needs to reach 160 degrees.
  2. Next you will take your stand mixer and add your butter, powdered sugar, brown sugar, and mix until creamy. Add in the vanilla.
  3. Add in your flour and add the milk slowly. You will want to mix until it reaches your desired thickness.

!Blue Oreo Frosting

  1. In a clean mixer you will cream your butter, powdered sugar, vanilla, heavy whipping cream, and mix until smooth.
  2. Add in some crushed Oreos, and blue food coloring.

!Chocolate Ganache Directions

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

    !How to Assemble Cookie Monster Cake

    1. Using the squeeze bottle and add chocolate ganache drips around the
      edge of the cake.
    2. Using the mini chocolate chip cookies, place them around the bottom of the cake.
    3. Next use 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.
    4. Place a regular size oreo in between each frosting dollop
    5. Place into the fridge for 1 hour to allow the frosting to harden slightly for easier cutting!


This cake needs to be stored in the refrigerator.

You can freeze your cake for up to 3 months.

You can make this layered Sesame street cake 24 hours in advance.

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Nutrition Information:
Yield: 14 Serving Size: 1
Amount Per Serving: Calories: 1225Total Fat: 90gSaturated Fat: 52gTrans Fat: 2gUnsaturated Fat: 32gCholesterol: 292mgSodium: 609mgCarbohydrates: 104gFiber: 2gSugar: 83gProtein: 9g

This information is automatically calculated by third-party software, including but not limited to the Create or Bake Me Some Sugar. For accurate nutrition, I suggest running the ingredients in your own system to get a more accurate reading. Nutritional information is approximate and automatically calculated, and should only be viewed as an indication.

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