Cookie Monster Cake {Sesame Street}

Quick and easy cookie monster cake recipe, homemade with simple ingredients. This sesame street themed chocolate cake is decorated with black and blue buttercream icing and chocolate chip cookies.

This is the perfect cake to try your hand at cake decorating. It is very beginner friendly, and results in the most adorable and goofy monster face. Any child would be thrilled to have this cake for their birthday! Cake and cookies all in one, yes please! Serve these adorable little Cookie Monster Cupcakes {Sesame Street} alongside this cake for a full blown birthday extravaganza.

Easy Cookie Monster Cake on White Background
  1. Bake, cool, ice, and stack cakes– On a serving dish.
  2. Frost cake– Smoothly in blue frosting.
  3. Mark mouth area– Use a toothpick.
  4. Spread black icing– In the mouth area.
  5. Add blue “fur”– Using the Wilton grass tip.
  6. Make eyes– Using fondant. Place near the top of the cake.
  7. Add cookies– Near the mouth.
  8. Pipe around the base of the cake– For neatness. Enjoy.
Collage Image With Step by Step Pictures on How to Make Cookie Monster Birthday Cake
  • Cakes– You will need 2 round 8×2 cakes.
  • Frosting– Including blue buttercream, black icing, and white and black fondant.
  • Cookies– Such as chocolate chip.
Closeup Shot of Fondant Eyes on Top of Sesame Street Cake

How to make eyes for cake?

You can use white and black fondant for the eyes. If you want to make the fondant yourself, then check out this How to Make Marshmallow Fondant (Fondant Recipe for Cakes) recipe. You can also use white and black modeling chocolate like this How to Make Modeling Chocolate {Candy Clay}. You can also just use black and white icing if that is easier for you.

What icing nozzle or piping tip to use?

I used the grass tip #233, but a small star tip can be used too- Wilton’s Tip # 18 or even a small round tip- tip#10. Fill a piping bag, attach the tip, hold bag at a 45 degree angle, and squeeze the bag until icing comes out. Then gently pull away. Continue doing this until the entire cupcake is covered in icing “fur.”

Closeup Shot of Black Mouth and Chocolate Chip Cookie on Top of Cake


Add a filling– Cookie dough would  be great such as this Chocolate Chip Cookie Dough Truffles (Eggless), or use just the cookie dough from these Peanut Butter Cookie Dough Bars (Eggless).

Try other cake flavors– Such as Funfetti Cake / Confetti Cake {From Scratch}, Best Vanilla Cake Recipe {From Scratch}, or Easy Rainbow Cake {With Cake Mix}.

Try other frosting flavors– Such as White Chocolate Buttercream Frosting, Best Cream Cheese Frosting, or Marshmallow Frosting Recipe. Make sure to use a white frosting so that you can dye it blue.

Add more cookies in the mouth– Like it’s fully stuffed and overflowing with cookies. Guests can also enjoy 2 desserts this way. 

Make a smaller 4 inch or 6 inch cake– Because that can be used as a smash cake for kids birthdays. 

Add a body– Simply add a larger circle cake below the face, similar to my Easy Snowman Cake {Frosting & Fondant}. This will feed a large crowd!

Use other decorating options instead of piping– Use blue colored shredded coconut, blue sprinkles, blue fondant, or use modeling chocolate to decorate with that instead.

Use another cookie instead of chocolate chip ones– While I prefer the classic, you can also use cookies such as Oreos, Small Batch Peanut Butter Cookies {With Chocolate Chips}, or Best Oatmeal Raisin Cookies- Soft and Chewy.

Tips and techniques

You can use homemade or store-bought black frosting– If using my homemade version, please note that it needs to be made a few days in advance to allow the color to develop and deepen.

Homemade vs. Store-bought chocolate chip cookies– either can be used. Link to my homemade ones.

Work in a cool kitchen– If your kitchen is too warm, the buttercream frosting may soften and melt, making it impossible to pipe the “fur.” Make sure to work in a cool kitchen for the best results.

Cool cupcakes completely before frosting– Because this prevents the frosting from melting and sliding right off the cupcake.

Store bought buttercream frosting vs. homemade? Either can be used. It is merely up to your flavor preference, and the amount of time you have available. However, I do prefer piping homemade buttercream.

Add a flat layer of blue frosting before piping the fur– Because this provides a base blue layer so you can’t see any bare spots, and helps the “fur” to stick better.

Use gel food coloring– Because liquid food coloring is not as vibrant. It’s also thinner and can alter the consistency of the frosting making it too thin to pipe.

Storage of homemade decorated cake

Refrigerate– In a sealed container for up to 3 days.

Freeze– I do not recommend freezing this cake with the cookies and eyes on it. Both will not thaw well. However, you can freeze this cake without the decor for up to 1 month. Then, thaw to room temperature and add the details.

More easy decorated cakes

Easy Cookie Monster Cake (Sesame Street Cake) on White Background
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Easy Cookie Monster Cake (Sesame Street Cake)

Prep Time: 10 minutes
Cook Time: 40 minutes
Decorating time: 10 minutes
Total Time: 1 hour
Quick and easy cookie monster cake recipe, homemade with simple ingredients. This sesame street themed chocolate cake is decorated with black and blue buttercream icing and chocolate chip cookies.
Yield: 9 Slices



  • Bake cakes and allow them to cool completely.
  • While cakes are baking and cooling, prepare the frosting.
  • Place one cake on a serving dish.
  • Use a spatula to spread blue icing on top of the cake.
  • Place the other cake on top of this icing. Press gently to secure into place.
  • Frost the entire cake smoothly in blue icing.
  • Use a toothpick to mark the mouth area.
  • Remove some of the icing from this mouth portion with a spoon.
  • Use a spatula to spread black icing in this area. It doesn't have to be neat and perfect.
  • Fill a piping bag with blue icing and attach the grass tip (Wilton Tip # 233).
  • Start piping from the outer edge of the cake and work your way inwards until top is fully covered in "fur." Do not pipe in the black mouth portion.
  • Roll out white fondant and cut our two circles with a cookie cutter. Pipe black circles for eyeballs.
  • Stick these eyes near the top of the cake.
  • Place a partially broken chocolate chip cookie near the mouth and toss crumbs around the mouth.
  • Pipe around the base of the cake for neatness. Enjoy.


  • Read all my tips above.
  • Leftovers can be stored in a sealed container in the fridge for up to 3 days. 


Calories: 958kcal, Carbohydrates: 180g, Protein: 5g, Fat: 25g, Saturated Fat: 6g, Polyunsaturated Fat: 11g, Monounsaturated Fat: 7g, Trans Fat: 1g, Cholesterol: 1mg, Sodium: 1032mg, Potassium: 116mg, Fiber: 1g, Sugar: 128g, Calcium: 255mg, Iron: 2mg
Course: Dessert
Cuisine: American
Calories: 958
Author: Abeer Rizvi

3 comments on “Cookie Monster Cake {Sesame Street}”

  1. You are so talented and I love your tips for each recipe. This cake was easy to make too, I love how it turned out. My son loved it too!5 stars

  2. Made this cookie monster cake while the kids were watching and they enjoyed it! It was so adorable and cute. It tasted sooo good!5 stars

  3. Made this for my sons birthday and he loved it! It turned out so cute.5 stars

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