Unicorn Cake – How to Make a Magical & Colorful Birthday Cake

This Unicorn Cake Recipe is the perfect centerpiece for birthdays, baby showers, and any celebration that calls for a touch of magic. With its vibrant colors, whimsical decorations, and delicious flavors, a unicorn cake is sure to impress both kids and adults alike.

A unicorn cake typically consists of layers of soft, pastel-colored cake with creamy frosting, topped with a golden unicorn horn, playful ears, and colorful buttercream mane. Whether you’re a beginner baker or an experienced cake decorator, this guide will walk you through everything you need to create your own magical masterpiece.

If you love whimsical desserts, don’t miss our Strawberry Waffles Recipe for another sweet and colorful treat.

Best Flavors for Unicorn Cake

A unicorn cake is not just about looks—it should taste as magical as it looks. While traditional flavors like vanilla and chocolate are common, there are many creative flavor options to make your unicorn cake extra special.

Popular Unicorn Cake Flavors

FlavorWhy It Works
VanillaClassic and pairs well with any frosting
FunfettiAdds a fun, colorful touch to each slice
StrawberrySweet and fruity, perfect for a pink-themed cake
Cotton CandyLight and fluffy with a hint of nostalgia
LemonBright and fresh, balances the sweetness
AlmondDelicate and slightly nutty, great with buttercream
Red VelvetRich with a hint of cocoa, pairs well with cream cheese frosting
Rainbow LayersEach layer is a different flavor for a surprise effect

For a kid-friendly unicorn cake, fun flavors like cotton candy, bubblegum, or birthday cake can make the experience even more exciting. If you prefer a more sophisticated taste, try almond or raspberry filling.

How to Make a Unicorn Cake Step by Step

Making a unicorn cake might seem intimidating, but with the right steps, anyone can create a stunning and delicious masterpiece. From baking the cake layers to decorating with a magical unicorn horn, this guide will take you through the process one step at a time.

Essential Ingredients for a Unicorn Cake

IngredientPurposeSubstitutions
All-purpose flourStructure for the cakeCake flour for a lighter texture
Granulated sugarAdds sweetness and moistureCoconut sugar for a natural alternative
Unsalted butterCreates a rich, tender crumbVegan butter for a dairy-free version
EggsAdds structure and moistureFlax eggs for an eggless option
Milk or buttermilkEnsures a soft, moist cakeAlmond or oat milk for dairy-free
Baking powder & sodaHelps the cake riseNo substitutions recommended
Vanilla extractEnhances flavorAlmond or cake batter extract for variety
Gel food coloringCreates vibrant pastel layersNatural food dyes for a softer look

Equipment Needed

EquipmentPurpose
8-inch cake pansFor evenly stacked layers
Piping bags & tipsFor decorating with buttercream
Cake turntableHelps with smooth frosting application
Offset spatulaFor spreading frosting evenly
Edible gold paintTo create the unicorn horn

Step 1: Bake the Cake Layers

  1. Preheat the oven to 350°F (175°C) and grease three 8-inch cake pans.
  2. In a large mixing bowl, combine the flour, baking powder, and salt, then whisk until evenly incorporated
  3. In a separate bowl, beat the butter and sugar together until the mixture becomes light and fluffy.
  4. Add the eggs one at a time, ensuring each is fully mixed in before adding the next.
  5. Stir in the vanilla extract, then alternate adding milk and dry ingredients until fully combined.
  6. Divide the batter evenly into three or four bowls and tint each one with different pastel colors.
  7. Pour the batter into cake pans and bake for 25–30 minutes until a toothpick inserted in the center comes out clean.
  8. Let cakes cool completely before assembling.
Stacking cake layers for a unicorn cake with buttercream filling
Stacking pastel-colored cake layers with buttercream frosting

Step 2: Frost the Cake Base

StepInstructions
Level the cakesTrim the tops to ensure even stacking.
Apply crumb coatSpread a thin layer of frosting over the cake to trap crumbs.
Chill the cakeLet the cake set in the fridge for 30 minutes.
Final frosting layerSpread an even layer of buttercream all over the cake.

How to Make the Unicorn Horn and Ears

The unicorn horn and ears are the signature decorations that bring the magic to your unicorn cake. They are usually made from fondant, modeling chocolate, or even an ice cream cone for an easy alternative.

Making a fondant unicorn horn and ears for cake decoration
Creating a fondant unicorn horn with gold edible paint

Materials for the Unicorn Horn and Ears

MaterialPurposeAlternative
White fondantForms the unicorn horn and earsModeling chocolate
Gold edible paintGives the horn a metallic finishGold luster dust
Lollipop stickSupports the horn inside the cakeWooden skewer
CornstarchPrevents fondant from stickingPowdered sugar

Step 1: Make the Unicorn Horn

  1. Roll a small piece of white fondant into a long, tapered rope.
  2. Twist the fondant rope into a spiral shape, making it resemble a unicorn horn.
  3. Insert a lollipop stick or skewer into the base for stability.
  4. Let the horn dry for at least 1-2 hours before painting.
  5. Once dry, paint the horn with gold edible paint using a small brush.

Step 2: Make the Unicorn Ears

StepInstructions
Roll out fondantFlatten a small piece of white fondant with a rolling pin.
Cut out ear shapesUse a knife or cookie cutter to cut two ear shapes.
Add pink fondantPress a smaller pink fondant shape inside each ear for detail.
Shape the earsSlightly curve the ears for a natural look.
Let them dryAllow ears to firm up for at least 1 hour before attaching.

How to Decorate the Unicorn Mane with Buttercream

The unicorn’s mane is one of the most eye-catching parts of the cake, made with swirls of colorful buttercream in shades of pink, blue, purple, and yellow. Using a variety of piping tips, you can create a textured, magical effect that brings the unicorn to life.

Piping colorful buttercream mane on a unicorn cake
Decorating a unicorn cake with swirls of pastel buttercream

Piping Tools and Colors for the Mane

ToolPurposeAlternative
Piping bagsHolds and controls frostingZiplock bags with a small cut tip
Star piping tip (#1M)Creates rosettes and swirlsOpen star tip for a similar effect
Round piping tip (#12)Forms smooth dollopsUse the bag without a tip
Teardrop tip (#104)Shapes ruffled ribbonsPetal tip for layered effects
Gel food colorsGives pastel and vibrant colorsNatural food dyes

Step 1: Fill Piping Bags with Colors

  1. Divide the prepared buttercream frosting into separate bowls.
  2. Tint each bowl with pastel gel food coloring in pink, blue, purple, and yellow.
  3. Fit each piping bag with a different tip and fill with the colored frosting.

Step 2: Create the Unicorn Mane

Mane DecorationHow to Pipe It
RosettesPipe small spirals using a star tip to form flowers.
DollopsUse a round tip to add small dots of color.
RibbonsPipe wavy ribbons with a teardrop tip for a flowing effect.
SwirlsUse a star tip to create larger twirls.
LayeringOverlap colors for a fuller, textured mane.

Final Assembly and Adding the Unicorn Face Details

Now that the cake is frosted and the mane is beautifully piped, it’s time to bring the unicorn to life by adding the final decorative details, including the unicorn’s face, horn, and ears.

Step 1: Attach the Unicorn Horn and Ears

StepInstructions
Insert the HornGently push the dried fondant horn into the top center of the cake.
Place the EarsPosition the fondant ears slightly behind the horn for a natural look.
Secure with ButtercreamIf needed, add a bit of buttercream behind the ears to keep them in place.

Step 2: Draw the Unicorn’s Eyes

To give the unicorn its signature dreamy look, the eyes are typically drawn as closed lashes with a gentle curve.

MaterialMethod
Black edible markerDraw the eyes directly onto the frosting.
Black buttercream (piped with a fine tip)Pipe the eyes in a curved shape for a natural lash effect.
Thin strips of black fondantShape the lashes and place them on the cake.

Step 3: Add Extra Sparkle and Details

To make the cake even more magical, consider adding extra embellishments:

DecorationEffect
Edible gold dustAdds a shimmer to the mane and horn.
Small fondant flowersCreates an elegant floral touch.
Edible glitterEnhances the sparkle of the unicorn.
Pearl sprinklesGives the mane a textured, enchanted look.

How to Serve and Store the Unicorn Cake

Once your unicorn cake is complete, you’ll want to make sure it’s served at the perfect temperature and stored properly to keep it fresh.

How to Slice and Serve a Unicorn Cake

StepInstructions
Chill Before SlicingPlace the cake in the fridge for 30 minutes before cutting to prevent smudging.
Use a Sharp KnifeDip a long, sharp knife in warm water, then wipe it dry before slicing.
Cut in Even LayersStart by cutting vertical slices for even portions.
Clean the Knife Between SlicesWipe the blade clean after each cut for neat slices.

For an extra magical serving experience, pair each slice with:

  • Whipped cream or vanilla ice cream
  • Berry compote for a tart contrast
  • Sprinkled edible glitter on each plate

How to Store Unicorn Cake

Storage MethodHow to StoreShelf Life
Room TemperatureKeep in an airtight container if unfrostedUp to 2 days
RefrigeratorStore in a cake box or covered container4-5 days
FreezerWrap slices individually and freezeUp to 2 months

How to Reheat Chilled Cake for Best Taste

MethodInstructionsBest For
Room TempLet the cake sit at room temperature for 30 minutes before serving.Best overall texture
MicrowaveHeat a slice for 10-15 seconds on low power.Quick softening

Creative Unicorn Cake Variations and Themed Party Ideas

A classic unicorn cake is always a showstopper, but there are plenty of creative ways to customize your unicorn cake and make it even more special. Whether you’re catering to dietary preferences or planning a unicorn-themed party, these ideas will add an extra touch of magic.

Fun Variations of Unicorn Cake

VariationDescription
Rainbow Unicorn CakeEach cake layer is a different vibrant color, creating a rainbow effect when sliced.
Chocolate Unicorn CakeInstead of vanilla, use rich chocolate layers with pastel-colored frosting.
Mini Unicorn CupcakesIndividual unicorn cupcakes decorated with tiny horns and colorful frosting swirls.
Unicorn Ice Cream CakeLayers of cake and ice cream, topped with whipped frosting and sprinkles.
Gluten-Free Unicorn CakeMade with almond flour or a gluten-free cake mix for dietary needs.
Vegan Unicorn CakeUses plant-based ingredients like coconut milk, flax eggs, and dairy-free buttercream.

If you love experimenting with fun, colorful desserts, try our Strawberry Puree Recipe to add a fruity twist to your cake.

Unicorn-Themed Party Ideas

Pairing a unicorn cake with other whimsical treats and decorations can create an unforgettable themed party.

Party ElementIdeas
Unicorn DrinksServe pink lemonade with edible glitter or colorful unicorn milkshakes.
Unicorn CookiesSugar cookies shaped like unicorns, decorated with pastel icing.
DIY Unicorn HeadbandsLet guests create their own unicorn horn headbands as a party activity.
Magical Table DecorUse pastel tablecloths, gold utensils, and sparkly plates.
Unicorn PiñataFill a unicorn-shaped piñata with candy and small toys.
Rainbow Balloon ArchA pastel rainbow balloon display to match the cake colors

Frequently Asked Questions About Unicorn Cakes

What flavor is unicorn cake?

Unicorn cake can be made in a variety of flavors, but popular choices include vanilla, funfetti, cotton candy, and strawberry. Many unicorn cakes have multiple layers, each with a different flavor, to add an extra surprise when sliced. Some bakers also incorporate rainbow colors into the batter to match the theme.

What are the cakes the Kardashians get?

The Kardashians are known for extravagant custom cakes, often created by Hansen’s Cakes in Los Angeles. Their cakes typically feature luxurious designs, gold accents, and intricate details. For birthdays and celebrations, they have been seen enjoying tiered floral cakes, pastel-themed cakes, and character cakes that match their event themes.

What strain is unicorn cake?

“Unicorn Cake” is also the name of a hybrid cannabis strain, known for its sweet, fruity aroma and relaxing effects. It is not related to the unicorn cake dessert but shares a similar whimsical name.

What flavor is the Unicorn Cake Pop at Starbucks?

The Unicorn Cake Pop at Starbucks has a vanilla birthday cake flavor, covered in white chocolate icing with pink and blue sprinkles. It has a sweet, buttery taste with hints of almond and marshmallow-like frosting.

What does unicorn flavor taste like?

“Unicorn flavor” is not an official flavor but is often associated with sweet, fruity, and cotton candy-like flavors. Many unicorn-themed desserts use a combination of strawberry, raspberry, bubblegum, and vanilla flavors to create a fun and whimsical taste experience.

Final Thoughts on Unicorn Cake

A unicorn cake is more than just a dessert—it’s a magical centerpiece that brings joy and excitement to any celebration. Whether you’re making it for a birthday, baby shower, or whimsical party, this cake is guaranteed to impress with its vibrant colors, dreamy buttercream mane, and golden unicorn horn.

To create the perfect unicorn cake, remember these key tips:

StepKey Tip
Cake LayersUse soft, moist cake flavors like vanilla, funfetti, or strawberry.
ButtercreamWhip the frosting until fluffy and use gel food coloring for vibrant colors.
Unicorn ManePipe rosettes, swirls, and ribbons in multiple colors for texture.
Horn & EarsMake the horn with fondant, modeling chocolate, or an ice cream cone.
Unicorn EyesPipe closed eyelashes with black buttercream or an edible marker.
Final DecorationsAdd edible glitter, gold dust, and sprinkles for extra magic.

Unicorn Cake Serving & Storage Tips

  • Serve at room temperature for the best texture.
  • Chill the cake before slicing for cleaner cuts.
  • Store leftovers in an airtight container in the fridge for up to 4-5 days.
  • Freeze individual slices wrapped in plastic for up to 2 months.

For more magical dessert ideas, check out these recipes:

Enchanting unicorn cake with a golden horn and pastel buttercream mane.

Unicorn Cake

The Unicorn Cake is a whimsical and colorful dessert, perfect for birthdays, baby showers, and celebrations. With pastel-colored cake layers, creamy buttercream, and a magical unicorn horn, this cake is as delicious as it is beautiful.
Prep Time 45 minutes
Cook Time 30 minutes
Decoration Time 1 hour
Total Time 1 hour 30 minutes
Course Dessert
Cuisine American
Servings 12 slices
Calories 450 kcal

Equipment

  • 8-inch cake pans
  • Piping bags & tips
  • Cake turntable
  • Offset spatula
  • Fondant rolling pin

Ingredients
  

Cake Batter

  • 3 cups all-purpose flour or cake flour for a lighter texture
  • 2 cups granulated sugar
  • 1 cup unsalted butter softened
  • 4 eggs
  • 1 tbsp vanilla extract
  • 1 cup milk or buttermilk
  • 2 tsp baking powder
  • 1 tsp baking soda
  • gel food coloring pink, blue, purple, yellow

Buttercream Frosting

  • 2 cups unsalted butter softened
  • 5 cups powdered sugar sifted
  • 2 tbsp milk or heavy cream
  • 1 tbsp vanilla extract
  • gel food coloring various pastel shades

Unicorn Decorations

  • white fondant for unicorn horn and ears
  • gold edible paint for horn
  • black edible marker for unicorn eyes

Instructions
 

  • Preheat the oven to 350°F (175°C) and grease three 8-inch cake pans.
  • In a large bowl, whisk together flour, baking powder, and baking soda.
  • In another bowl, beat butter and sugar until light and fluffy. Add eggs one at a time, mixing well.
  • Mix in vanilla extract, then alternate adding milk and dry ingredients until fully combined.
  • Divide batter into separate bowls and tint each portion with gel food coloring.
  • Pour batter into cake pans and bake for 25–30 minutes until a toothpick inserted comes out clean.
  • Cool cakes completely before decorating.
  • Prepare buttercream frosting by beating butter until creamy, then gradually adding powdered sugar, milk, and vanilla.
  • Trim cake tops if needed and apply a crumb coat. Chill for 30 minutes.
  • Pipe colorful buttercream swirls to create the unicorn mane.
  • Shape fondant into a twisted unicorn horn and paint it gold. Let dry.
  • Cut and shape fondant ears, add pink fondant details, and let dry.
  • Insert the unicorn horn into the cake and attach ears slightly behind it.
  • Draw unicorn eyes using a black edible marker or pipe with black buttercream.
  • Sprinkle edible glitter for a magical finishing touch.

Notes

For best results, chill the cake before slicing. You can substitute vanilla cake with funfetti, strawberry, or chocolate flavors for variation.
Keyword Birthday Cake, Fantasy Cake

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