How to Decorate a Unicorn Cake

Unicorns have long been a source of fascination and enchantment, capturing the imaginations of both young and old. But recently, these mythical creatures have taken the baking world by storm with the rise of unicorn cakes. These whimsical creations combine the magic of unicorns with the artistry of cake decorating, resulting in fabulous and eye-catching masterpieces that are perfect for any celebration or special occasion.

With their vibrant colors, shimmering details, and adorable unicorn horns, unicorn cakes have become the hottest trend in baking. From birthday parties to weddings, these magical cakes add a touch of fantasy and wonder to any event. And what makes them even more appealing is that you don’t have to be a professional baker to create your own unicorn masterpiece.

In this article, we will take you through everything you need to know about decorating a unicorn cake. Whether you’re a beginner looking to try your hand at cake decorating or an experienced baker searching for inspiration, we’ve got you covered.

From essential tips on baking the perfect base to step-by-step instructions on assembling and decorating your cake, we’ll guide you through each stage of the process. So get ready to unleash your creativity and prepare to dazzle your friends and loved ones with a stunning unicorn cake that is as delightful as it is delicious.

Essential Cake Baking Tips

The first step in creating a beautiful and magical unicorn cake is to ensure that you have the perfect base. This section will provide you with essential cake baking tips to help you achieve just that.

First and foremost, it’s important to use a reliable cake recipe that is sturdy enough to support the weight of any additional decorations you will be adding. A dense and moist cake works best for unicorn cakes, as it provides a solid foundation for all of your creative ideas.

One key tip to keep in mind is to properly prepare your cake pans before pouring in the batter. Grease the pans thoroughly and line the bottom with parchment paper to prevent any sticking. This will allow for easy removal of the cakes once they are baked.

Additionally, it’s crucial to accurately measure all of your ingredients using measuring cups or a kitchen scale. Baking is a science, and even small inaccuracies can dramatically impact the final result of your cake. Take your time and follow the recipe carefully to ensure that your measurements are precise.

Once you’ve mixed all of your ingredients together, be sure not to overmix the batter. Overmixing can lead to a dense and tough cake instead of light and fluffy. Mix until all the ingredients are just incorporated; this will help create a tender crumb structure.

Essential Cake Baking Tips
Use a reliable and sturdy cake recipe
Thoroughly grease cake pans and line with parchment paper
Accurately measure all ingredients
Avoid overmixing the batter

Choosing the Right Ingredients

When it comes to creating a unicorn cake, choosing the right flavors is just as important as the design itself. After all, the whimsical and magical appearance should be complemented by equally delightful tastes. Here is a guide to help you select colorful and whimsical flavors that will truly make your unicorn cake stand out.

Classic Vanilla

Vanilla is a versatile flavor that provides a blank canvas for decorating your unicorn cake. It pairs perfectly with any color or design, allowing the decorations to take center stage. To add an extra touch of magic, consider using pure vanilla extract or vanilla bean paste instead of artificial flavoring.


If you want to infuse your unicorn cake with bursts of color, funfetti is the way to go. This flavor incorporates rainbow sprinkles into the batter, creating a festive and whimsical look when sliced. You can also experiment with different shapes and sizes of sprinkles to achieve various effects.

Pink Lemonade

For a refreshing twist on traditional flavors, try incorporating pink lemonade into your unicorn cake. The tangy and slightly sweet taste adds brightness to the overall experience. To achieve this flavor, substitute some of the liquid in your recipe with prepared pink lemonade mix.

Cotton Candy

If you want a truly magical and nostalgic experience, consider using cotton candy flavor in your unicorn cake. This whimsical flavor instantly transports you back to carnivals and childhood memories. You can find cotton candy extract or flavoring online or in specialty stores.

Remember, when selecting flavors for your unicorn cake, it’s essential to ensure they complement each other well and enhance the overall visual appeal of the cake. Be adventurous and don’t be afraid to mix and match flavors until you find the perfect combination that brings both joy and delight to those who indulge in your delicious creation.

Baking and Assembling

Before you embark on the journey of decorating your unicorn cake, it’s important to have a solid foundation. In this section, we will guide you through the process of baking and assembling your cake, ensuring that each layer is perfectly baked and stacked with precision.

Step 1: Preparing the Batter

Start by preheating your oven to the recommended temperature mentioned in your recipe. While the oven is heating up, gather all the necessary ingredients for your cake batter. Follow the recipe instructions carefully, measuring each ingredient accurately. Whether you are using a box mix or making the batter from scratch, make sure to mix all the ingredients well until they are fully combined.

Step 2: Baking your Layers

Divide your batter equally into separate cake pans. If you only have one pan available, bake them one at a time to ensure even baking.

Place the filled pans into the preheated oven and bake according to the recommended time in your recipe. To check if your cakes are fully baked, insert a toothpick into the center – if it comes out clean or with just a few crumbs clinging onto it, then they are ready to be removed from the oven.

Step 3: Cooling and Leveling

Once baked, remove the cakes from their pans and transfer them onto a wire rack to cool completely. It’s important to allow them sufficient time to cool down before attempting any assembly or frosting – otherwise, you risk melting or damaging your masterpiece. Once cooled, use a long serrated knife or cake leveler to trim off any domed tops and create an even surface for stacking.

Step 4: Building Your Cake

To assemble your unicorn cake, start with placing one layer onto a sturdy cake board or plate. Spread a generous amount of frosting on top, using an offset spatula to create an even layer. Continue adding layers and frosting until you have stacked all your cakes together.

You can choose to alternate cake flavors and fillings for added variety. Once stacked, refrigerate the cake for at least 30 minutes to allow the layers to settle and firm up before moving on to the next step.

With the foundation of your unicorn cake set, you are now ready to move onto the next exciting steps – decorating your cake with buttercream techniques, creating vibrant colors, molding a unicorn horn, and adding magical details that will bring your creation to life. Strap on your apron and let your imagination run wild.

Basic Buttercream Techniques

Choosing the Right Buttercream Recipe

The first step in achieving a smooth and seamless canvas for your unicorn cake is choosing the right buttercream recipe. There are several different types of buttercream, including Swiss meringue, Italian meringue, and American buttercream. Each has its own unique texture and taste, so it’s important to select one that aligns with your preferences.

Swiss meringue buttercream is known for its silky texture and light, fluffy consistency. It is made by slowly pouring hot sugar syrup into whipped egg whites until a thick and glossy meringue forms. Italian meringue buttercream is similar to Swiss meringue but uses a different method of incorporating the sugar syrup by cooking it to a higher temperature before adding it to the egg whites.

If you prefer a sweeter and simpler buttercream, American buttercream may be the best choice for you. It is made by creaming together softened butter and powdered sugar until light and fluffy. This type of buttercream tends to be denser than Swiss or Italian meringue buttercream but still provides a smooth finish.

The Importance of Properly Preparing Your Cake

Before you can begin frosting your unicorn cake, it’s crucial to properly prepare the cake layers. Start by leveling each layer using a serrated knife or cake leveler to ensure an even surface. If desired, apply a thin layer of simple syrup on top of each layer to keep them moist.

To prevent crumbs from mixing into your frosting, apply a thin “crumb coat” of icing all over the cake. This initial layer will trap any loose crumbs and create a smooth foundation for the final coat of frosting. Place the crumb-coated cake in the refrigerator for about 10-15 minutes to allow the icing to set before applying the final layer.

Techniques for Achieving a Smooth Buttercream Finish

To create a perfectly smooth and seamless buttercream finish on your unicorn cake, there are several techniques you can use. One popular method is the “Viva paper towel” technique. After applying a thick layer of frosting to the cake, gently press a clean, smooth Viva brand paper towel against the sides and top of the cake. The paper towel absorbs excess buttercream and creates a polished finish.

Another technique is using an offset spatula or bench scraper to carefully smooth out any imperfections in the buttercream. Hold the spatula at a slight angle against the sides of the cake and slowly rotate it while applying gentle pressure. This will help create clean edges and an even surface.

Remember, practice makes perfect when it comes to achieving a smooth buttercream finish. If you’re not satisfied with your first attempt, simply scrape off the frosting and start again. With time and patience, you’ll develop your own techniques for creating beautifully frosted unicorn cakes that are as magical as they are delicious.

Creating a Rainbow

When it comes to decorating a unicorn cake, one of the key elements that adds to its magical and whimsical appeal is the vibrant and gradient rainbow colors. Food coloring plays an essential role in achieving these effects, allowing you to transform a plain cake into a colorful masterpiece. In this section, we will explore different techniques for creating beautiful rainbow colors using food coloring.

To achieve vibrant and vivid colors, it is important to start with high-quality food coloring gels or pastes. These concentrated colorings are more intense than regular liquid food coloring, resulting in brighter shades. Gel-based colors are also thick and won’t dilute your icing or batter, ensuring that you get the desired effect without compromising the consistency of your cake.

There are several methods you can use to create a rainbow effect on your unicorn cake. The first method is known as “striping,” where you divide your buttercream frosting into separate containers and add different colors of food coloring to each container. You then fill a piping bag fitted with a large round tip with stripes of different colored buttercream. As you pipe the frosting onto the cake, it creates a beautiful rainbow swirl.

Another technique is called “watercolor.” This involves using only one shade of colored buttercream at a time, but applying it in different concentrations for a gradient effect. You start by applying a thin layer of white buttercream as your base and then gradually add more food coloring to achieve darker shades as you move up the cake. By blending these shades together with an offset spatula or palette knife, you can create a seamless gradient from light to dark.

Using food coloring can be both exciting and challenging when trying to achieve specific effects on your unicorn cake. However, with practice and experimentation, you will be able to master the art of creating vibrant rainbow colors that truly bring your creation to life.

StripingDivide buttercream frosting into separate containers and add different colors of food coloring to each container. Pipe the frosting onto the cake in stripes for a swirl effect.
WatercolorApply one shade of colored buttercream at a time in different concentrations for a gradient effect. Blend the shades together for a seamless transition from light to dark.

Adding the Unicorn Touch

Decorating a unicorn cake with fondant and edible decorations is one of the most exciting and creative steps in the process. Fondant is a smooth and pliable icing that can be rolled out and shaped into various designs, making it perfect for creating the magical elements of a unicorn cake.

Edible decorations such as flowers, stars, and sprinkles add an extra touch of whimsy and sparkle to your creation. In this section, we will explore different ways to use fondant and edible decorations to bring your unicorn cake to life.

Firstly, it’s important to note that working with fondant requires a clean and dust-free surface. Before starting, make sure to lightly dust your workspace with powdered sugar or cornstarch to prevent sticking. To create cohesive decorations, it’s helpful to knead the fondant until it becomes soft and pliable. If the fondant is too sticky, you can knead in a small amount of powdered sugar until it reaches the desired consistency.

One popular decoration for a unicorn cake is fondant flowers. These can be made by rolling out small pieces of fondant into thin circles or petals using a rolling pin.

Once you have your petals, gently fold them in half lengthwise and then attach them together at the base using a small amount of water or edible glue. Repeat this process with different colors of fondant to create a beautiful bouquet of flowers that can be placed around the base or on top of your unicorn cake.

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Another way to add an enchanting touch to your unicorn cake is by using edible glitter or shimmer dust. These sparkly powders can be used to highlight specific areas on your cake or dusted all over for an ethereal effect. Simply sprinkle the glitter or dust onto your cake using either a dry paintbrush or by lightly tapping it onto the surface.

Remember that while decorating with fondant and edible decorations adds excitement and flair to your unicorn cake, it’s important to find a balance. Avoid overcrowding your cake with too many decorations, as this can overwhelm the design. Instead, focus on strategically placing a few eye-catching elements to create a cohesive and visually pleasing finished cake.

By utilizing fondant and edible decorations, you can take your unicorn cake from beautiful to truly magical. Let your creativity soar as you experiment with different shapes, colors, and textures to bring out the enchantment of these mythical creatures.

Bringing Your Unicorn to Life

To truly bring your unicorn cake to life, you’ll want to focus on sculpting and molding the iconic unicorn horn. The horn is a key feature that adds magic and whimsy to your creation. Here are some step-by-step instructions on how to create a stunning unicorn horn for your cake:

  1. Choose your materials: Start by selecting a material that will be easy to mold and hold its shape. Some popular options include fondant, modeling chocolate, or even gum paste. These materials are pliable and can be easily shaped into a horn.
  2. Create the base: Begin by shaping the base of the horn. Roll the material into a cone shape, ensuring that it’s large enough for your cake but not too overwhelming in size.
  3. Add texture: To give your horn more dimension and texture, gently press the surface with a textured tool or use a toothpick to create lines around the length of the horn. This will mimic the natural texture of a real unicorn horn.
  4. Detailing: Next, focus on adding intricate details such as swirls or spirals. You can achieve this by rolling thin strands of fondant or using small tools like embossing sticks or piping tips to create patterns on the surface.

Remember to keep referring back to images or drawings of real unicorn horns for inspiration as you work on sculpting and molding your own.

Once you’ve created an enchanting unicorn horn for your cake, it’s time to attach it securely. Insert a wooden skewer or dowel rod into the base of the horn before inserting it into your cake. Ensure that it is positioned firmly in place so that it doesn’t topple over.

With careful attention to detail and precision in creating the perfect unicorn horn, your cake will truly capture the essence of these mythical creatures and delight anyone who sees it. So let your creativity soar as you bring your unicorn to life.

Adding Magical Details

Piping techniques are a crucial aspect of decorating a unicorn cake as they allow you to create a flowing mane and add cute facial features that truly bring your unicorn to life. Whether you are a beginner or an experienced baker, mastering these techniques will take your unicorn cake to the next level.

To create a flowing mane, start by fitting a piping bag with a small round tip. Fill the bag with buttercream frosting in the desired color for the mane. Begin by piping small stars or rosettes along the top edge of the cake, working your way from one side to the other.

Gradually increase the size of the stars as you move down towards the base of the cake to give it a cascading effect. Repeat this process on both sides of the cake until you have achieved a full and voluminous mane.

Next, it’s time to add those adorable facial features that will give your unicorn its unique personality. For the eyes, use a small round tip and pipe two round circles of white buttercream frosting on either side of the cake. Then, place mini chocolate chips or candy eyes in the center of each circle to complete the eyes.

To create a cute little nose for your unicorn, switch to a slightly larger round tip and pipe a small oval shape just below the eyes using either black or pink buttercream frosting. Finish off by using another small round tip and piping small dots above the eyes for eyelashes. Don’t forget to add some rosy cheeks by gently brushing edible powdered food coloring onto each cheek using a clean makeup brush.

Adding magical details through piping techniques truly transforms your unicorn cake into an enchanting creation. By experimenting with different colors and shapes, you can customize every detail according to your personal vision. Let your creativity soar as you bring these whimsical elements together and watch as your unicorn cake becomes an eye-catching centerpiece that spreads joy and wonder.

Piping Techniques for Magical DetailsData
Flowing ManeUse a small round tip and pipe stars or rosettes along the top edge of the cake. Gradually increase the size of the stars as you move down to create a cascading effect.
Facial FeaturesUse a small round tip for eyes, piping two circles with white frosting and adding candy eyes. Use a larger round tip for the nose, creating a small oval shape below the eyes. Finish off with a smaller round tip for eyelashes and rosy cheeks using edible powdered food coloring.

Finishing Touches

Sprinkles, shimmer, and sparkles are the finishing touches that can take your unicorn cake to the next level of beauty and whimsy. These decorative elements add a touch of magic and sparkle to your creation, making it truly stand out. In this section, we will explore different ways to use sprinkles, shimmer dust, and edible glitter to elevate your unicorn cake.

Firstly, let’s talk about sprinkles. Sprinkles come in a variety of shapes, sizes, and colors, allowing you to choose the perfect ones to match your unicorn theme. You can find sprinkles in the shape of stars, hearts, flowers, or even unicorns themselves.

To create a cohesive design on your cake, consider using a mix of sprinkle shapes and colors. Sprinkle them generously over the buttercream frosting or strategically place them on certain areas of the cake for added visual interest.

Next is shimmer dust. Shimmer dust adds a beautiful metallic sheen to your cake. You can find shimmer dust in various shades such as gold, silver, rose gold, or even iridescent colors like pearl and holographic.

To apply shimmer dust on your cake, first lightly brush some corn syrup or clear alcohol like vodka onto the areas you want to add shine. Then use a clean dry brush or sprinkle the shimmer dust directly onto those areas for an eye-catching effect.

Lastly, edible glitter is another fantastic option for adding sparkle and glitz to your unicorn cake. Edible glitter comes in different forms such as fine flakes or larger chunks and can be found in almost any color you desire.

It is important to note that not all glitters are safe for consumption; therefore it is crucial to purchase edible glitter that is specifically labeled as food-safe. Similar to shimmer dust application technique mentioned earlier regarding using clear alcohol like vodka or corn syrup as an adhesive before applying it with a brush on desired areas.

Troubleshooting Tips

When it comes to decorating a unicorn cake, even the most experienced bakers can encounter some common mistakes along the way. However, with a little bit of knowledge and some troubleshooting tips, you can easily avoid these pitfalls and create a beautifully decorated unicorn cake that will impress everyone who sees it.

One common mistake to avoid is overmixing your cake batter. Overmixing can lead to a dense and tough texture in your finished cake. To prevent this, be sure to mix your batter just until all the ingredients are incorporated. Additionally, make sure to accurately measure your ingredients and follow the recipe instructions closely. Remember, baking is a science, so precise measurements are crucial for achieving the desired result.

Another mistake that can occur during the decorating process is using frosting that is too thick or too thin. If your frosting is too thick, it will be difficult to spread smoothly on the cake.

On the other hand, if your frosting is too thin, it may not hold its shape when piped onto the cake. To avoid this, make sure to follow the recipe instructions for making buttercream frosting and adjust the consistency as needed by adding more powdered sugar or liquid.

Furthermore, it’s important to let your cake cool completely before attempting to frost it. Applying frosting to a warm cake can cause it to melt and become messy. Give your cake enough time to cool down on a wire rack before moving on to the next step of decorating.

By being aware of common mistakes like overmixing batter, using incorrect frosting consistency, and not allowing enough cooling time for your cake, you can troubleshoot these issues while decorating your unicorn cake. With these tips in mind, you’ll be able to create a unicorn masterpiece that looks just as magical as it tastes.

Presentation and Serving

After putting in all the hard work to create a stunning unicorn cake, it’s time to showcase it for maximum wow factor. Presentation is key when it comes to displaying your masterpiece, and there are several creative ways to do so. Whether you’re planning on serving the cake at a birthday party or just want to impress your friends and family, here are some tips for presenting and serving your unicorn cake:

  1. Cake Stand: A beautiful cake stand is a classic way to elevate your unicorn cake and make it the centerpiece of the dessert table. Opt for a stand that complements the colors and theme of your cake. You can choose a simple white stand for an elegant look or go for a colorful stand with whimsical designs for a more playful vibe.
  2. Decorative Plates: If you don’t have a cake stand, consider using decorative plates to display your unicorn cake. Look for plates that have fun patterns or designs that coordinate with your cake’s color scheme. Arrange the slices of cake on individual plates or serve them directly from the whole cake.
  3. Flower Decoration: Add an extra touch of magic by decorating your unicorn cake with fresh flowers. Choose flowers in colors that complement the palette of your cake, such as pastel blooms for a dreamy look or bright hues for a vibrant feel. Carefully place the flowers around the base of the cake or create an elegant flower crown on top.
  4. Garnishes and Toppers: Enhance the visual appeal of your unicorn cake by adding some edible garnishes or unique toppers. Sprinkle edible glitter over the frosting for added sparkle, use edible gold leaf to create shimmering accents, or top your creation with mini edible unicorns or other themed decorations.
  5. Lighting: Set up some strategically placed LED lights around your unicorn cake to make it shine even brighter. Use fairy lights, spotlights, or even colored gels to create different lighting effects that match the mood and theme of your cake. Experiment with different angles and intensities to find the perfect lighting setup.

Remember, presentation is just as important as taste when it comes to a unicorn cake. Take the time to arrange your cake beautifully, and your efforts will be rewarded with gasps of delight from all who see it.

Serve each slice with care, making sure to showcase all the intricate details you’ve carefully crafted. With these tips, you’ll be able to present your unicorn cake in a way that truly captures its magic and delights everyone who enjoys it.


Unicorn cakes have become one of the hottest trends in baking, and with the step-by-step instructions and helpful tips provided in this guide, you can easily create your own magical masterpiece. By following the techniques outlined in this article, you can transform a plain cake into a whimsical unicorn creation that will impress everyone who sees it.

Not only will you be able to showcase your creativity through the process of decorating a unicorn cake, but you also have the opportunity to inspire others to try their hand at this delightful trend. By sharing your beautifully decorated unicorn cake on social media or inviting friends and family over for a slice, you can spread the joy and wonder that comes with creating such an enchanting dessert.

Remember, the most important thing when it comes to decorating a unicorn cake is to have fun and let your imagination run wild. Whether it’s experimenting with different flavors and colors or adding unique touches like fondant decorations or shimmering sprinkles, don’t be afraid to make your unicorn cake truly one-of-a-kind.

And if things don’t go exactly as planned during the decorating process, don’t worry. Troubleshooting tips are provided in this article to help you overcome any common mistakes.

So go ahead and embrace the trend by trying your hand at decorating a unicorn cake. The possibilities are endless when it comes to creating a magical masterpiece that will not only satisfy your sweet tooth but also bring delight and inspiration to all who see it. Enjoy the process, share your creativity with others, and let the joy of a beautifully decorated unicorn cake brighten up any occasion.

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