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Cookie Monster Cupcakes

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A blue bowl on a table, with Cake and Cookie
These adorable Cookie Monster cupcakes are perfect for a kid's birthday party. The moist chocolate cupcakes are topped with the perfect blue icing and finished off with cute cartoon eyes and a cookie mouth!
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How cute are these Cookie Monster cupcakes? Classic chocolate cupcakes are topped with bright blue frosting, googly eyes and a cookie for a mouth; these are just like our favorite fluffy blue character.

Your own little cookie monsters will be ecstatic over these cupcakes. They will be a guaranteed hit, and kids will have a blast taking the cookies out of his mouth and going, “Me want cookie!” No one can resist smiling when these funny cupcakes are around. This treat would go great with our easy to make cookie monster ice cream. If you are looking for other fun cupcakes for a party, check out our pirate cupcakes and cookie dough cupcakes.

A group of milk on a table

For the Cupcakes

  • 1¾ cups flour
  • 2 cups sugar
  • 1 cup cocoa
  • 1½ teaspoons baking soda
  • 1½ teaspoons baking powder
  • 1 teaspoon salt
  • 2 eggs
  • 1 cup whole milk
  • ½ cup oil
  • 2 teaspoons vanilla extract
  • 1 cup boiling water

For the Blue Frosting

  • 1 cup soft unsalted butter
  • 4+ cups powdered sugar
  • 4 tablespoons heavy whipping cream
  • blue gel food coloring (don’t use liquid food coloring)

For the Cookie Monster Face

  • 2 large candy eyes
  • 1 chocolate chip cookie

SUBSTITUTIONS AND ADDITIONS

SPRINKLES: I have also seen these cupcakes made with sprinkles on top of the icing. A plain buttercream topped with blue sprinkles would mimic Cookie Monster’s fur.

CAKE MIX: If you are in a real pinch, you can use store-bought boxed chocolate cake mix for this recipe.

Many different kinds of donuts

STEP ONE: Mix the flour, sugar, cocoa powder, baking soda, baking powder, and salt in a bowl.

STEP TWO: In a separate bowl, add the eggs, whole milk, oil and vanilla extract.

STEP THREE: Add the wet ingredients to the dry ingredients and beat with a hand mixer on medium until fully combined, about 3 minutes.

STEP FOUR: Slowly add boiling water, only starting with a small amount then pouring in the rest. It’s okay if the batter is a little runny.

STEP FIVE: Scoop the batter into a cupcake pan lined with paper liners (black or blue work great for these character cupcakes) until ¾ filled. You want to make sure you have enough batter to get a nice high dome at the top.

STEP SIX: Bake for 20-25 minutes in an oven preheated to 350°F.

STEP SEVEN: When the timer goes off, remove the cupcakes from the oven and use a toothpick to check if they’re done. Allow them to cool for 10 minutes. 

STEP EIGHT: Carefully take them all out of the cupcake pan and place the cupcakes on a wire rack until completely cooled. If you try to decorate too soon, the icing will start to melt and things will get messy fast.

For the Buttercream Frosting

STEP ONE: Cream the butter and powdered sugar by mixing the soft butter and sugar until it looks light and creamy. It should look like a fluffy, light yellowy mix.

STEP TWO: Add the heavy whipping cream. If it doesn’t cream, add several drops of heavy whipping cream until it’s creamed properly. Don’t over mix because you want to create air pockets in the frosting.

STEP THREE: Add just a small amount of gel food coloring to get that royal blue color.

PRO TIP: Make sure you are using gel food coloring rather than liquid food coloring. We like this gel food coloring set from Wilton.

STEP FOUR: Check to see if the frosting can hold a stiff peak by taking a spoonful of frosting and turning the spoon upside down. If the frosting stays on the spoon, it’s ready. If not, then add more powdered sugar, about a ½ cup at a time. Mix well.

STEP FIVE: When the frosting is ready, scoop the frosting into a piping bag with a large star tip. Push the frosting to the tip by twisting the open end of the pastry bag.

PRO TIP: For the star tip, we like this set of piping tips.

STEP SIX: As you get ready to frost, hold the bag straight up and down and start frosting the top of the cupcake straight up and down. 

For the Cookie Monster Face

STEP ONE:  Place the candy eyeballs on top of the icing. I like to put one of the eyes higher to make him look googly-eyed, just like cookie monster’s signature look.

STEP TWO:  For his mouth, break or cut a chocolate chip cookie in half. You can make a batch of chocolate chip cookies from scratch or buy some. Stick it right into the frosting as though the cookie is sticking out of the cookie monster’s mouth. If it doesn’t stay, you may have to use a sharp knife to make a cut in the middle of the cupcake and wedge in the cookie.

Cup and Cookie

HOW TO SERVE

These cupcakes are so much fun and easy to make and would be ideal for a Sesame Street birthday party. Kids love finger foods, so you could serve a few of our favorite kid-friendly recipes, including pepperoni rolls and pigs in a blanket before the big cupcake reveal.

STORAGE

ON THE COUNTER: Store these cupcakes on the counter for up to 3 days. It is best not to store cupcakes in the fridge as they will dry out.

A birthday cake

I’d say a cupcake eating a cookie is the best kind of cupcake. Mr. Cookie Monster would approve. Be sure to do your best impression of Cookie before you gobble up these cute cookie monster cupcakes.

FAQ

Should I use store-bought or homemade cookies for this recipe?

If you are in a rush, you can use store-bought cookies, but you are more than welcome to make your favorite chocolate chip cookie recipe.

Can I use a boxed cake mix for this recipe?

If you are in a pinch and don’t have time or the ingredients to make the cupcakes, you could use a store-bought chocolate cake mix.

How do I store these cupcakes?

If you are making them for a party, it is best to make them fresh as close to the party as you can. You can make them the day before and store them on the counter in an airtight container. Avoid storing them in the fridge as the cupcakes will dry out.

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A blue bowl on a table, with Cake and Cookie

Cookie Monster Cupcakes

5 from 3 votes
These adorable Cookie Monster cupcakes are perfect for a kid's birthday party. The moist chocolate cupcakes are topped with the perfect blue icing and finished off with cute cartoon eyes and a cookie mouth!

Ingredients
  

Cupcake Ingredients:

  • 1 3/4  cups flour
  • cups sugar
  • cup cocoa
  • 1 1/2  teaspoons baking soda
  • 1 1/2  teaspoons baking powder
  • teaspoon salt
  • 2 eggs
  • cup whole milk
  • 1/2  cup oil
  • teaspoons vanilla
  • cup boiling water

Blue Frosting Ingredients:

  • 1 cup soft unsalted butter
  • 4 + cups powdered sugar
  • 4 tablespoons heavy whipping cream
  • blue gel food coloring

Monster Cookie Face

    Ingredients:

    • 2 large candy eyes
    • 1 chocolate chip cookie

    Instructions
     

    Cupcake Directions:

    • Line the cupcake tins with paper liners. Preheat oven to 350 degrees.
    • Mix the flour, sugar, cocoa, baking soda, baking powder, and salt in a bowl.
    • In a separate bowl add the eggs, whole milk, oil, and vanilla.
    • Add the eggs, whole milk, oil, and vanilla to the bowl holding the dry ingredients.
    • Mix all together until fully incorporated.
    • Beat for 3 minutes on medium.
    • Slowly add the boiling water, starting with a small amount then pouring in the remaining boiling water.
    • The batter may be a little runny.
    • Scoop batter into cupcake lined cups until ¾ filled.
    • 10. Bake for 20-25 minutes.
    • 11. Remove from oven and allow to cool for 10 minutes.
    • 12. Take out of the cupcake pan placing on a wire rack until completely cooled.

    Frosting Directions:

    • Cream the butter and powdered sugar until it looks light and creamy.
    • If it doesn’t cream add several drops of the heavy whipping cream until it creams.
    • Test to see if the frosting can form and hold a stiff peak by taking a spoonful of frosting and turning the spoon upside down. If the frosting stays on the spoon it is ready if not then….
    • Add more powder sugar ½ cup at a time. Mix well.
    • When ready, scoop the frosting into a pastry bag with a large star tip.
    • Twist the open end of the pastry bag to push the frosting to the tip.
    • Holding the bag straight up and down, frost the cupcake straight up and down.

    Directions:

    • Place 2 large candy eyes on top of the frosted cupcake.
    • Cut the chocolate chip cookie in half.
    • Stick the cookie in the middle of the frosted cupcake as though it is sticking out of his mouth.

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