How to Make the Perfect Unicorn Birthday Cake

How to Make the Perfect Unicorn Birthday Cake

There’s something incredibly magical about unicorns that has captured the imagination of kids and adults alike. So, when it comes to celebrating a birthday, a unicorn cake is the perfect centerpiece to create a magical and unforgettable experience. But how do you create the perfect unicorn birthday cake? Let’s dive into the enchanting world of unicorn cake creation!

Unicorn Birthday Cake: Ingredients Needed

To get started, you need to gather all the necessary ingredients. Here’s a comprehensive list to make sure you have everything you need:

Unicorn Birthday Cake Ingredients:

  • 2 1/2 cups all-purpose flour
  • 2 1/2 teaspoons baking powder
  • 1/2 teaspoon salt
  • 1 cup unsalted butter, softened
  • 2 cups granulated sugar
  • 4 large eggs
  • 1 cup whole milk
  • 2 teaspoons vanilla extract

Frosting Ingredients Unicorn Birthday Cake

  • 1 cup unsalted butter, softened
  • 4 cups powdered sugar
  • 1/4 cup heavy cream
  • 2 teaspoons vanilla extract
  • Food coloring (assorted colors)

Unicorn Birthday Cake Decoration Ingredients

  • Fondant (white and pastel colors)
  • Edible gold paint
  • Edible glitter
  • Sprinkles

Essential Tools and Equipment

To create a unicorn cake, having the right tools is crucial. Here are the essentials:

Baking Tools

  • Mixing bowls
  • Electric mixer
  • Measuring cups and spoons
  • 8-inch round cake pans (2 or 3, depending on the number of layers)

Decorating Tools

  • Piping bags and tips
  • Offset spatula
  • Fondant rolling pin
  • Cake turntable

Choosing the Right Cake Base

The base of your unicorn cake is key to its taste and structure. You can choose from a variety of flavors, but here’s a simple and classic vanilla cake recipe.

Also Read: Step-by-Step Unicorn Cake Design Create Your Own Masterpiece

Flavor Options

Vanilla is a crowd-pleaser, but you can also consider chocolate, red velvet, or even funfetti for a festive touch.

Preparing the Cake Batter

  1. Preheat your oven to 350°F (175°C). Grease and flour your cake pans.
  2. In a bowl, mix flour, baking powder, and salt.
  3. In another bowl, beat butter and sugar until fluffy. Add eggs one at a time, then stir in vanilla.
  4. Gradually add the dry ingredients to the wet mixture, alternating with milk.

Baking Tips

  • Bake for 25-30 minutes or until a toothpick inserted comes out clean.
  • Let the cakes cool in the pans for 10 minutes, then transfer to a wire rack to cool completely.

Making the Perfect Frosting

A good frosting is essential for both taste and decoration. Here’s a simple buttercream recipe.

Buttercream Frosting Recipe

  1. Beat butter until creamy.
  2. Gradually add powdered sugar, mixing well after each addition.
  3. Add heavy cream and vanilla, and beat until light and fluffy.
  4. Divide the frosting into bowls and color with food coloring as desired.

Alternative Frosting Options

You can also use cream cheese frosting or whipped cream for a lighter option.

Assembling the Cake

Now, it’s time to put it all together.

Layering the Cake

  1. Place the first cake layer on your cake turntable.
  2. Spread an even layer of frosting on top.
  3. Repeat with remaining layers.

Applying a Crumb Coat

  • Apply a thin layer of frosting to seal in crumbs.
  • Chill the cake for 30 minutes.

Final Frosting Application

  • Apply the final layer of frosting, smoothing it out with an offset spatula.

Creating the Unicorn Horn and Ears

The unicorn horn and ears are iconic features. Here’s how to make them.

Materials Needed

  • White fondant
  • Edible gold paint
  • Toothpicks

Step-by-Step Guide

  1. Roll fondant into a cone shape for the horn. Insert a toothpick at the base.
  2. Paint the horn with edible gold paint and let it dry.
  3. For the ears, shape fondant into two triangles and attach them to toothpicks.

Decorating the Cake with Fondant

Adding fondant gives a smooth and professional look.

Rolling Out Fondant

  • Dust your surface with powdered sugar and roll out the fondant to about 1/8-inch thickness.

Covering the Cake

  • Carefully drape the fondant over the cake and smooth it out, trimming any excess.

Adding Fondant Decorations

  • Use cookie cutters or a knife to create shapes and attach them with a little water.

Piping Techniques for Mane and Details

The mane is where you can get creative with colors and piping.

Choosing Piping Tips

  • Use star tips for the mane and round tips for details.

Mixing Colors

  • Divide your frosting into bowls and color them with different shades.

Creating a Rainbow Mane

  • Pipe swirls and rosettes around the top and side of the cake to form a mane.

Adding Edible Glitter and Sprinkles

Glitter and sprinkles add that extra magical touch.

Types of Edible Glitter

  • Choose from dust, flakes, or liquid glitter.

How to Apply

  • Lightly brush glitter on the fondant and sprinkle around the mane for a sparkling effect.

Personalizing Your Unicorn Cake

Make your cake extra special with personalized touches.

Adding a Name or Message

  • Use fondant or icing to write a name or message on the cake.

Customizing Colors and Designs

  • Tailor the cake’s colors to the birthday person’s favorite shades.

Common Mistakes to Avoid

Prevent mishaps by avoiding these common errors.


  • Keep an eye on the cake to avoid dry, overbaked layers.

Frosting Issues

  • Ensure your frosting is the right consistency – not too thick or too runny.

Decoration Mishaps

  • Plan your decorations ahead to avoid last-minute scrambling.

Tips for Transporting the Cake

Safely transport your cake with these tips.

Keeping the Cake Stable

  • Use a sturdy cake board and box.

Ideal Storage Conditions

  • Keep the cake cool and out of direct sunlight.

Making the Cake Special for the Birthday

Add final touches to make the celebration magical.

Adding Candles

  • Place colorful candles around the cake.

Creating a Magical Cake Reveal

  • Consider a cake topper or sparkler for an exciting reveal.


  1. Bake the Cake Layers:
    • Preheat your oven to 350°F (175°C).
    • Prepare the cake batter according to the package instructions or your recipe.
    • Divide the batter evenly into three bowls.
    • Add a few drops of pink food coloring to the first bowl, blue to the second, and purple to the third. Mix well until the colors are vibrant.
    • Pour the colored batters into separate greased and floured 8-inch round cake pans.
    • Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean.
    • Let the cakes cool completely on a wire rack.
  2. Make the Buttercream Frosting:
    • In a large bowl, beat the softened butter until creamy.
    • Gradually add the powdered sugar, one cup at a time, beating well after each addition.
    • Mix in the vanilla extract.
    • Add the milk or heavy cream, one tablespoon at a time, until you reach the desired consistency.
    • Divide the frosting into four bowls. Leave one bowl white and tint the other three pink, blue, and purple using food coloring.
  3. Assemble the Cake:
    • Place the purple cake layer on a cake board or serving plate.
    • Spread a layer of white frosting on top.
    • Add the blue cake layer and spread another layer of white frosting.
    • Top with the pink cake layer.
    • Cover the entire cake with a thin layer of white frosting (crumb coat) and chill for 30 minutes.
  4. Decorate the Cake:
    • Apply a final layer of white frosting over the chilled cake.
    • Fill piping bags with the colored frostings, using star-shaped tips.
    • Pipe swirls of pink, blue, and purple frosting on top of the cake to create the unicorn mane.
    • Attach the unicorn horn and ears to the top of the cake.
    • Add sprinkles for extra magic!


  • For an extra special touch, you can use edible glitter to make the cake sparkle.
  • Practice your piping skills on a piece of parchment paper before decorating the cake.

Enjoy creating and sharing your perfect unicorn birthday cake!


Creating the perfect unicorn birthday cake is a delightful process that combines creativity and baking skills. By following these steps, you can make a stunning and delicious cake that will wow everyone at the party. So gather your ingredients, get your tools ready, and let your imagination run wild!

Also Read: Unicorn Cake Decorating: Tips from the Experts


What if I’m allergic to certain ingredients?

You can substitute ingredients like dairy and eggs with vegan alternatives. There are many allergy-friendly recipes available.

Can I make the Unicorn Birthday Cake ahead of time?

Yes, you can bake the cake layers a day or two in advance and freeze them. Decorate the cake the day before the party for best results.

How do I store leftover cake?

Store leftover cake in an airtight container in the refrigerator. It will stay fresh for 3-5 days.

What flavors go best with a Unicorn Birthday Cake?

Vanilla, chocolate, and funfetti are popular choices, but you can get creative with flavors like strawberry or lemon.

Can I use pre-made decorations?

Absolutely! Pre-made decorations can save time and still look fantastic. You can find many options online or in baking supply stores.