If you are dreaming of a cake that looks as magical as it tastes, then this Unicorn Cake Recipe is exactly what you need. Imagine layers of tender, buttery cake in soft pastel colors, frosted with a luscious, fluffy buttercream that’s as delightful in flavor as it is stunning to behold. This cake isn’t just a dessert; it’s a celebration on a plate, perfect for birthdays, special occasions, or any time you feel like adding a sprinkle of whimsy to your day. With its vibrant colors and rich, yet light texture, the Unicorn Cake Recipe offers an exciting baking adventure that promises to enchant both the eyes and the palate.

Ingredients You’ll Need
Every ingredient in this Unicorn Cake Recipe plays an essential role in creating the perfect balance of flavor, texture, and that dreamy colorful appearance. With straightforward pantry staples and a few vibrant food colorings, you’ll have everything you need to bring this enchanting cake to life.
- Unsalted butter (2 1/2 cups, softened): Adds rich moisture and tenderness to the cake layers.
- Granulated sugar (4 1/2 cups): Sweetens the cake perfectly while helping to achieve a tender crumb.
- Cake flour (6 cups): Provides a soft, delicate crumb essential for a light and fluffy texture.
- Baking powder (2 teaspoons): Guarantees a nice rise, making each layer light and airy.
- Salt (1 teaspoon): Enhances the overall flavor and balances sweetness.
- Large eggs (9): Binds ingredients together and adds richness, supporting the structure.
- Whole milk (3 cups): Keeps the cake moist and soft with creamy notes.
- Pure vanilla extract (3 teaspoons): Infuses a warm, inviting aroma that complements the other flavors.
- Unsalted butter (6 cups for frosting, room temperature): The base for the smooth, creamy buttercream frosting.
- Powdered sugar (12 cups, sifted): Sweetens and thickens the frosting for that perfect spreadable consistency.
- Additional vanilla extract (6 teaspoons): Ensures the frosting is bursting with vanilla flavor.
- Whole milk for frosting (1/2 to 3/4 cup): Adjusts the frosting texture for smooth spreading.
- Food coloring (purple, pink, dark purple, blue, and black): Brings the colorful magic to your Unicorn Cake layers and decorative accents.
How to Make Unicorn Cake Recipe
Step 1: Prepare the Batter
Start by creaming the softened butter and granulated sugar until the mixture is light and fluffy—that’s the secret to a tender cake. Then, sift together your cake flour, baking powder, and salt to make sure your batter is perfectly smooth. Alternately add the dry ingredients and whole milk into the butter mixture, beating gently between additions to keep the batter light. Don’t forget to mix in those large eggs one at a time with vanilla extract for that extra flavor punch. Divide this batter evenly into different bowls to color with your chosen food colorings.
Step 2: Bake the Colorful Layers
Pour each uniquely colored batter into greased, lined cake pans for even baking. Bake at a moderate temperature until a toothpick comes out clean, usually about 35 to 40 minutes. The color in each layer will be vibrant and inviting, setting the foundation for that classic Unicorn Cake rainbow inside!
Step 3: Make the Buttercream Frosting
While the cake layers cool, whip up the buttercream by beating the room temperature butter until it’s creamy and smooth. Gradually mix in sifted powdered sugar, vanilla extract, and whole milk, adjusting milk quantities until you reach a luscious spreadable texture. This frosting is where the magic truly happens: it’s rich, sweet, and utterly irresistible, the perfect partner to those colorful cake layers.
Step 4: Assemble Your Unicorn Cake
Once all the layers are fully cooled, it’s time to get creative. Alternate stacking layers with generous spreads of buttercream between each. Smooth the frosting over the entire cake, preparing it for any magical decorations you want to add. Whether you stick to a classic look or go wild with sprinkles and edible glitter, your Unicorn Cake will shine bright like a true confectionery work of art.
How to Serve Unicorn Cake Recipe

Garnishes
To really bring the Unicorn Cake Recipe to life, consider garnishing with edible glitter, colorful sprinkles, or even delicate fondant shapes like stars and unicorns. Fresh berries or pastel-colored candies also add delightful texture and visual appeal, making serving this cake a truly special moment.
Side Dishes
Serve slices of this vibrant cake alongside a light, fruity compote or a dollop of freshly whipped cream to balance the sweetness. A side of refreshing iced tea or a sparkling lemonade complements the floral and buttery notes, rounding out the experience beautifully.
Creative Ways to Present
Transform your Unicorn Cake into a centerpiece by displaying it on a cake stand surrounded by flowers, fairy lights, or rainbow confetti. For parties, consider cutting the cake into fun shapes or layering the slices in a clear trifle bowl, showing off all those beautiful colors in every bite.
Make Ahead and Storage
Storing Leftovers
Keep any leftover slices of this enchanted cake covered tightly in an airtight container at room temperature for up to two days to preserve freshness and flavor. If you prefer, refrigeration works well too but be sure to bring the cake back to room temperature before serving to enjoy the best texture.
Freezing
To freeze your Unicorn Cake, wrap each layer tightly in plastic wrap followed by aluminum foil to prevent freezer burn. The frosting can be frozen in an airtight container separately. When you’re ready to enjoy again, thaw the layers overnight in the refrigerator and assemble as usual for a fresh-from-the-oven feel.
Reheating
This cake is best enjoyed fresh, but if you do want to warm up a slice, a few seconds in the microwave (about 10-15 seconds) will bring back that melt-in-your-mouth softness without melting the frosting.
FAQs
Can I use a different type of food coloring for this Unicorn Cake Recipe?
Absolutely! Gel food colors work best because they provide vibrant hues without thinning the batter or frosting. You can mix colors to create your own unique palette or use natural colorings, though the shades might be more subtle.
Is this Unicorn Cake Recipe suitable for beginners?
Definitely! While it looks impressive, this recipe breaks down into manageable steps. Take your time with coloring and layering, and you’ll be amazed at the magical results you can achieve even if you’re new to baking.
Can I make this cake dairy-free or vegan?
With some ingredient swaps like plant-based butter, non-dairy milk, and egg replacements, you can adapt this recipe. However, the texture and taste might vary slightly, so be sure to experiment before a big event.
How long does the assembled Unicorn Cake stay fresh?
When stored properly in an airtight container at room temperature, this cake stays fresh for about two days. Past that, refrigeration is recommended, but let it come back to room temperature before serving for the best flavor.
Can I decorate the Unicorn Cake with fondant?
Yes, fondant decorations add an extra layer of whimsy and creativity. Use fondant shapes, unicorn horns, or colorful ribbons to customize your cake and make it even more magical.
Final Thoughts
This Unicorn Cake Recipe is a joyful celebration of color, flavor, and fun all rolled into one extraordinary dessert. Whether you’re baking for a special occasion or just because, this cake promises smiles, wonder, and a touch of magic in every bite. So go ahead, gather your ingredients, roll up your sleeves, and bring a little enchantment into your kitchen—you won’t regret it!
Print
Unicorn Cake Recipe
- Prep Time: 40 minutes
- Cook Time: 40 minutes
- Total Time: 1 hour 20 minutes
- Yield: 12 slices
- Category: Dessert
- Method: Baking
- Cuisine: American
Description
This vibrant and whimsical Unicorn Cake recipe is perfect for celebrations, featuring moist layers of vanilla cake and luscious buttercream frosting colored in enchanting shades of purple, pink, and blue. The cake is rich, creamy, and visually stunning, making it a true showstopper for any special occasion.
Ingredients
Cake Batter
- 2 1/2 cups unsalted butter, softened
- 4 1/2 cups granulated sugar
- 6 cups cake flour
- 2 teaspoons baking powder
- 1 teaspoon salt
- 9 large eggs
- 3 cups whole milk
- 3 teaspoons pure vanilla extract
Buttercream Frosting Batch 1
- 6 cups unsalted butter, room temperature
- 12 cups powdered sugar, sifted
- 6 teaspoons pure vanilla extract
- 1–2 tablespoons whole milk
Buttercream Frosting Batch 2
- 3 cups unsalted butter, room temperature
- 6 cups powdered sugar, sifted
- 1/2 to 3/4 cup whole milk
- 3 teaspoons pure vanilla extract
Additional
- Food coloring: purple, pink, dark purple, blue, and black
Instructions
- Prepare the Cake Batter: In a large mixing bowl, cream the softened butter and granulated sugar together until light and fluffy. Gradually add the eggs one at a time, mixing well after each addition. In a separate bowl, sift together the cake flour, baking powder, and salt. Alternately add the dry ingredients and the milk to the creamed mixture, starting and ending with the dry ingredients. Stir in the vanilla extract until fully combined.
- Bake the Cake: Preheat your oven to 350°F (175°C). Grease and flour multiple cake pans suitable for the batter volume. Divide the batter evenly among the pans and bake for approximately 35-40 minutes or until a toothpick inserted in the center comes out clean. Allow the cakes to cool completely on wire racks before frosting.
- Make the Buttercream Frostings: For the first batch, beat the butter until creamy, then gradually add powdered sugar, vanilla extract, and 1-2 tablespoons of milk, beating until light and fluffy. Repeat this process with the second batch of frosting ingredients, adjusting milk quantity to achieve desired consistency. Separate portions of the frosting and tint with food coloring to create various shades of purple, pink, dark purple, blue, and black for decoration.
- Assemble and Decorate the Cake: Once the cake layers have cooled completely, level them if necessary. Spread a layer of buttercream between each cake layer to stack. Use the different colored buttercream frostings to create a whimsical, ombré, and unicorn-themed design, piping swirls, rosettes, or other decorations as desired. Chill the cake briefly to set the frosting before serving.
Notes
- Ensure all ingredients are at room temperature for best results.
- Sift flour and powdered sugar to avoid lumps in the batter and frosting.
- Allow cakes to cool completely before frosting to prevent melting.
- Use gel food coloring for more vibrant colors without altering frosting consistency.
- The recipe yields 12 generous slices, perfect for parties.
- Buttercream quantities are substantial to allow for decorative piping and coverage.

