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If you are craving a nostalgic treat that bursts with color and flavor, the Funfetti Cake Mix Unicorn Bars Recipe is exactly what you need. These delightful bars combine the playful charm of funfetti cake mix with a luscious, swirled cream cheese frosting colored in magical hues of purple and blue. Each bite is a moist, fluffy party that feels like a celebration all on its own. Whether you’re making them for a kid’s party, a special dessert, or just because, these bars are guaranteed to bring smiles and brighten any day with their whimsical style and irresistible taste.

Ingredients You’ll Need
Getting started with the Funfetti Cake Mix Unicorn Bars Recipe is wonderfully simple because the ingredients are common pantry staples, yet each one plays a crucial role in achieving the perfect flavor and texture. From the cake mix that provides that classic funfetti base to the rich cream cheese frosting that adds creaminess and a touch of magic—every ingredient counts.
- 15.25 ounces funfetti cake mix: The foundation of these bars, bringing colorful sprinkles and that nostalgic vanilla cake flavor.
- 1 large egg: Helps bind the batter and adds richness for a tender crumb.
- ½ cup salted butter (1 stick), melted: Adds moisture and buttery depth to the cake batter.
- ½ cup heavy cream: Keeps the batter moist and soft while enhancing richness.
- 8 ounces cream cheese, room temperature: Crucial for the smooth, tangy frosting that balances sweetness.
- ½ cup salted butter (1 stick), room temperature: Creates the creamy texture for the frosting.
- 3½ cups powdered sugar: Sweetens and thickens the frosting for a luscious finish.
- 1 to 3 tablespoons heavy cream: Adjusts frosting consistency for easy spreading and swirled colors.
- 1 teaspoon vanilla extract: Deepens flavor and aroma in the frosting with a warm vanilla note.
- Purple food coloring: Adds magical color to part of the frosting, evoking unicorn vibes.
- Blue food coloring: Complements the purple frosting with a cool, whimsical shade.
- Sprinkles (optional, for garnish): Perfect for the final fun touch and added crunch.
How to Make Funfetti Cake Mix Unicorn Bars Recipe
Step 1: Preheat Oven and Prepare Pan
Start by preheating your oven to 350°F to ensure it’s at the right temperature when your batter is ready. Lightly grease a 9×13 inch baking pan or line it with parchment paper—this step is key to making sure your bars come out cleanly without sticking, preserving their perfect edges.
Step 2: Mix Cake Batter
In a large mixing bowl, combine the funfetti cake mix, egg, melted butter, and heavy cream. Stir everything thoroughly until the ingredients meld into a smooth, vibrant batter dotted with colorful sprinkles. This batter is where the magic begins, creating that fun, moist base that’s full of flavor.
Step 3: Spread Batter and Bake
Carefully spread the batter evenly into your prepared pan, smoothing the surface with a spatula. Slide it into the oven and bake for 20 to 25 minutes, or until a toothpick inserted into the center comes out clean. This ensures your bars are baked through without drying out.
Step 4: Cool Bars
Once baked, remove the pan from the oven and let the bars cool completely right in the pan. Cooling fully is crucial because it helps the frosting stick beautifully and prevents it from melting when applied later.
Step 5: Prepare Frosting Base
Using a hand or stand mixer, beat the cream cheese and softened butter together in a large bowl until they combine into a smooth, creamy base. Achieving this silky texture is the secret to a frosting that will spread easily and taste irresistibly rich.
Step 6: Add Powdered Sugar
Gradually add the powdered sugar, half a cup at a time, mixing on medium speed. This slow addition helps incorporate the sugar neatly, resulting in a fluffy, airy frosting with just the right amount of sweetness.
Step 7: Incorporate Heavy Cream and Vanilla
Slowly pour in the heavy cream and vanilla extract, one tablespoon at a time, while increasing the mixer speed to high. This step lightens the frosting, making it spreadable and soft enough for swirling colors without losing structure.
Step 8: Color the Frosting
Divide the frosting evenly into two bowls. Add purple food coloring to one and blue food coloring to the other, folding each in until you get the vibrant, magical shades that bring the unicorn theme to life. This colorful frosting is what really makes this recipe stand out.
Step 9: Frost the Bars
Spread the colored frostings alternately over your cooled funfetti bars. Use a spoon or a flat spatula to gently swirl the two colors together for a mesmerizing marbled effect. The visual wow factor combined with creamy sweetness is simply irresistible.
Step 10: Add Sprinkles and Serve
Finally, sprinkle on some extra sprinkles if you like—because a funfetti treat isn’t complete without a little sprinkle sparkle! Cut into bars and serve them chilled or at room temperature for a truly delightful bite.
How to Serve Funfetti Cake Mix Unicorn Bars Recipe
Garnishes
Enhance the playful spirit of your Funfetti Cake Mix Unicorn Bars Recipe with a scattering of colorful sprinkles, edible glitter, or even tiny candy pearls. These finishing touches not only amp up visual appeal but also add textural contrast that’s playful and inviting.
Side Dishes
The bars shine perfectly on their own, but pairing them with a creamy scoop of vanilla ice cream or a dollop of whipped cream can take the experience to a new level. A fresh berry salad or a glass of sparkling lemonade also brighten the plate and complement the sweet, vanilla notes.
Creative Ways to Present
Consider serving these bars on a whimsical platter or arranging them on pastel-colored plates to lean into the unicorn theme. You could also cut them into small bite-sized squares for a party platter or layer them with fresh fruit in parfait glasses for a unique twist on dessert presentation.
Make Ahead and Storage
Storing Leftovers
Store any leftover Funfetti Cake Mix Unicorn Bars in an airtight container at room temperature for up to two days, or refrigerate them if your kitchen is warm. Proper storage keeps the bars moist and preserves the cream cheese frosting’s fresh texture.
Freezing
To freeze, wrap the bars tightly in plastic wrap and place them in a freezer-safe container or bag. They can be frozen for up to 3 months. When ready to enjoy, thaw them overnight in the refrigerator to maintain their soft texture and colorful frosting swirl.
Reheating
While these bars are best served chilled or at room temperature, if you prefer a warm treat, gently warm a single bar in the microwave for about 10 seconds. Avoid overheating so the frosting doesn’t melt completely.
FAQs
Can I use a different cake mix for this recipe?
While the funfetti cake mix is key to achieving that iconic colorful sprinkle effect and sweet vanilla flavor, you can try a plain vanilla or white cake mix for a similar base. Just keep in mind the sprinkles are what make these bars unique and magical.
Is it possible to make this recipe dairy-free?
You can substitute dairy-free cream cheese and butter alternatives to make the bars dairy-free, but heavy cream is trickier. Coconut cream is a good substitute for heavy cream in the batter and frosting, although the flavor will change slightly.
How do I get the frosting colors so vibrant?
Using gel-based food coloring rather than liquid helps achieve bolder, more vivid hues without thinning your frosting too much. Start with a little and add more until you reach your desired magical color.
Can I make these bars gluten-free?
To make these bars gluten-free, look for a gluten-free funfetti cake mix. Make sure all other ingredients are certified gluten-free to avoid cross-contamination.
How long do the Funfetti Cake Mix Unicorn Bars keep fresh?
When properly stored in an airtight container and refrigerated, these bars stay fresh for up to 5 days. For the best flavor and texture, try to enjoy them within this timeframe.
Final Thoughts
The Funfetti Cake Mix Unicorn Bars Recipe is a total winner whether you’re after an easy, crowd-pleasing dessert or a fun family baking project. The combination of vibrant colors, moist cake, and creamy swirled frosting makes these bars a standout treat that’s just as joyful to make as it is to eat. Give this recipe a try and watch the smiles appear — because who can resist a little unicorn magic in every bite?
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Print
Funfetti Cake Mix Unicorn Bars Recipe
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Total Time: 40 minutes
- Yield: 16 servings
- Category: Dessert
- Method: Baking
- Cuisine: American
Description
These Funfetti Cake Mix Unicorn Bars are a whimsical and colorful treat that combines a moist funfetti cake base with a creamy, marbled cream cheese frosting. Perfect for celebrations or anytime you want a fun, festive dessert that’s easy to make and delightful to eat.
Ingredients
Bars:
- 15.25 ounces funfetti cake mix
- 1 large egg
- ½ cup salted butter (1 stick), melted
- ½ cup heavy cream
Frosting:
- 8 ounces cream cheese, room temperature
- ½ cup salted butter (1 stick), room temperature
- 3½ cups powdered sugar
- 1 to 3 tablespoons heavy cream
- 1 teaspoon vanilla extract
- Purple food coloring
- Blue food coloring
- Sprinkles (optional, for garnish)
Instructions
- Preheat Oven and Prepare Pan: Preheat your oven to 350°F and lightly grease a 9×13 inch baking pan or line it with parchment paper to prevent sticking.
- Mix Cake Batter: In a large mixing bowl, combine the funfetti cake mix, egg, melted butter, and heavy cream. Stir thoroughly until all ingredients are well incorporated into a smooth batter.
- Spread Batter and Bake: Evenly spread the batter into the prepared pan, smoothing the top. Bake for 20 to 25 minutes or until a toothpick inserted into the center comes out clean, indicating the bars are fully baked.
- Cool Bars: Remove from oven and allow the bars to cool completely in the pan to ensure the frosting adheres well and doesn’t melt.
- Prepare Frosting Base: Using a hand or stand mixer, beat the cream cheese and softened butter together in a large bowl until smooth and creamy.
- Add Powdered Sugar: Gradually beat in the powdered sugar, about ½ cup at a time, mixing on medium speed until the frosting is light and fluffy.
- Incorporate Heavy Cream and Vanilla: Add the heavy cream and vanilla extract slowly, one tablespoon at a time, while beating on high speed until the frosting reaches a light and spreadable consistency.
- Color the Frosting: Divide the frosting into two separate bowls. Fold purple food coloring into one bowl and blue food coloring into the other until you reach your desired shades.
- Frost the Bars: Spread the colored frostings alternately over the cooled bars. Use a spoon or flat spatula to swirl the colors together for a beautiful marbled effect.
- Add Sprinkles and Serve: Optionally, garnish with sprinkles. Cut into bars and serve chilled or at room temperature.
Notes
- Make sure the bars are completely cooled before frosting to prevent the frosting from melting.
- Adjust the amount of heavy cream in the frosting to get your desired consistency.
- Use parchment paper for easier removal and cleaner slicing.
- Sprinkles add a festive touch but can be omitted if desired.
- Store bars covered in the refrigerator for up to 5 days.

