Sweet Cloud Frosting

Unlock a world of dessert possibilities with this incredible marshmallow fluff frosting! Combining the beloved creaminess of American buttercream with the delightful sweetness of marshmallows, this frosting is a game-changer for any baker. Imagine a frosting that not only tastes exactly like a fluffy marshmallow but also boasts a perfectly smooth, spreadable texture, making it ideal for everything from elegant layer cakes to beautifully piped cupcake swirls. If you’re searching for a captivating new frosting recipe to elevate your baking or need a truly exceptional marshmallow cake filling, look no further – this recipe is designed to impress and delight.

Close up of a mixer paddle filled with white marshmallow fluff frosting.

Transform your ordinary baked goods into extraordinary treats with this marshmallow fluff frosting. It’s an effortless way to infuse your creations with a whimsical touch and a flavor that evokes childhood memories. Beyond its irresistible taste, this frosting’s light and airy consistency makes it a dream to work with. Whether you’re a novice baker or a seasoned decorator, you’ll appreciate how easily it spreads and pipes, giving your cakes and cupcakes a professional finish. It’s so simple to prepare, yet delivers such a profound flavor experience that your taste buds will truly sing with every bite.

Why You’ll Fall in Love with Marshmallow Fluff Buttercream

As an avid fan of frosting, I constantly seek ways to elevate classic recipes, and this marshmallow fluff buttercream truly hits the mark. While a perfectly made classic American buttercream is undeniably delicious and a staple in any baker’s repertoire, there are times when you crave that extra spark, that unique twist that sets a dessert apart. This is where marshmallow fluff frosting shines. It takes the familiar comfort of buttercream and injects it with a playful, sweet dimension that’s utterly enchanting.

Ingredients for marshmallow fluff buttercream including butter, vanilla, powdered sugar, and marshmallow fluff.

Think of it as the delightful middle ground between a traditional, rich buttercream and a light, cloud-like marshmallow. It maintains the stability needed for decorating and layering, yet offers a pillowy, melt-in-your-mouth texture that is distinctively marshmallow. This makes it an exciting alternative to other elevated buttercreams, such as a super light and fluffy white chocolate buttercream or a decadent sweetened condensed milk buttercream. Each of these variations brings its own special something, but this marshmallow version offers a nostalgic charm and an airy sweetness that truly stands out, enhancing your desserts without overpowering their core appeal.

Adding powdered sugar and marshmallow fluff to bowl of creamed butter.
Mixing bowl of fluffy vanilla marshmallow fluff buttercream.

The quest for new and exciting frosting creations is a delicious journey, and this marshmallow fluff frosting is a shining example of how a simple ingredient can transform a classic. Its unique flavor profile and dreamy texture are sure to become a new favorite in your kitchen, proving that buttercream can always be made even better.

Incredible Pairings: What Desserts Love Marshmallow Fluff Frosting?

The versatility of marshmallow fluff frosting is truly astounding. Essentially, any dessert that would benefit from a classic vanilla buttercream will be taken to new heights with this marshmallow-infused delight. Its sweet, airy character complements a vast array of flavors, making it a perfect match for countless baked goods.

Initially, I created this frosting to adorn some warmly spiced pumpkin spice cookie bars. The subtle marshmallow notes provided a wonderful contrast to the rich, autumnal spices, creating a harmonious and comforting flavor combination that was utterly irresistible. It truly highlighted how well the sweetness of marshmallow can play with deeper, warm tones.

More recently, I experimented with a layered pink velvet cake, filling it with a vibrant blood orange curd and generously frosting it with a double batch of this very recipe. The result was a whimsical explosion of color and flavor, reminiscent of delightful snack cakes from childhood, but on an epic scale. The soft pink cake, the tangy burst of blood orange, and the light, sweet marshmallow frosting combined for an unforgettable dessert. The ombre pink effect I achieved on the layer cake was not only visually stunning but tasted even better than it looked.

mixing bowl full of white marshmallow buttercream frosting
cake with pink ombre effect on the sides and a pink swirl on the top

For those who adore this frosting but prefer a smaller-scale project, try it on copycat oatmeal creme pie bars. These bars perfectly replicate the classic Little Debbie snack but in an easier-to-make bar form. The combination of rich molasses and hearty oatmeal cookies with this sweet, fluffy buttercream creates an extraordinarily tasty treat. It’s arguably my favorite application for this frosting, as the textural and flavor interplay is truly exceptional.

Similarly, this frosting is absolutely perfect for a Christmas tree cheesecake. The light, sweet flavor and ethereal texture instantly evoke those beloved snack cake vibes, offering a delightful sense of nostalgia. You simply must try it to experience the magic yourself. Beyond these specific examples, consider using it on classic chocolate cakes, vanilla cupcakes, red velvet desserts, or even as a unique topping for fruit tarts or hot cocoa!

Essential Ingredients for Perfect Marshmallow Fluff Buttercream

Crafting this irresistible marshmallow fluff frosting requires just a handful of staple ingredients, each playing a crucial role in achieving its perfect texture and flavor. Understanding these components will help you create a consistently delicious frosting every time.

Unsalted Butter (Softened): This is the foundation of our buttercream. Using unsalted butter allows you to control the overall saltiness of your frosting. It’s crucial that your butter is properly softened – not melted, but pliable enough to indent with a finger. This ensures it creams beautifully with the sugar, creating a light and airy base. Cold butter will result in a lumpy, dense frosting, while melted butter will make it greasy and difficult to whip.

Powdered Sugar (Confectioners’ Sugar): This fine sugar dissolves quickly, contributing to the smooth, silky texture of the frosting without any grittiness. While some recipes suggest sifting, if your powdered sugar is fresh and lump-free, you might be able to skip it. However, if you notice any clumps, a quick sift will guarantee the smoothest results.

Vanilla Extract: Pure vanilla extract is essential for adding a warm, aromatic depth that complements the sweetness of the marshmallow. While a teaspoon is usually sufficient, feel free to adjust to your personal preference. For an extra special touch, you could even try vanilla bean paste for visible specks of vanilla.

Marshmallow Fluff (or Marshmallow Creme): This is the star ingredient that gives the frosting its signature flavor and unique, light texture. Marshmallow fluff is a sweet, spreadable condiment made from corn syrup, sugar, dried egg whites, and vanilla. It provides the distinct marshmallow taste and contributes to the frosting’s incredible fluffiness and slightly elastic consistency, making it different from traditional buttercreams. Make sure to measure it accurately for the best results.

With these simple ingredients, prepared correctly, you are well on your way to creating a heavenly marshmallow fluff buttercream that will dazzle any dessert.

Frequently Asked Questions About Marshmallow Fluff Frosting

How do you store marshmallow fluff frosting?

Proper storage is key to enjoying your delicious marshmallow fluff buttercream for as long as possible. This versatile frosting can be stored in several ways, depending on how quickly you plan to use it.

For immediate use or within a couple of days, you can store this buttercream at room temperature for two to three days. It’s essential to keep it in an airtight container to prevent it from drying out and forming an undesirable crust. This method works well for frosted cakes or cupcakes that will be consumed relatively quickly.

For longer storage, transfer the frosting to an airtight container and place it in the refrigerator. It will keep well for up to two weeks. Before using, simply bring the frosting back to room temperature and give it a good whip with your mixer. This re-whips the butter and incorporates any separated ingredients, restoring its light, fluffy texture.

For even longer preservation, marshmallow fluff frosting freezes beautifully. Store it in a freezer-safe, airtight container for up to two months. When you’re ready to use it, thaw the frosting overnight in the refrigerator, then bring it to room temperature on the counter. Once softened, whip it vigorously with your stand mixer or hand mixer until it’s light, smooth, and fluffy again. This step is crucial for achieving the perfect consistency after freezing.

Decorated cheesecake next to piping bag with red frosting and bottle of green sanding sugar.
Square of homemade oatmeal creme pie bars with marshmallow fluff buttercream on small dessert plate, ready to be eaten.

What if you don’t have marshmallow fluff?

While marshmallow fluff is the star of this particular recipe, don’t despair if you don’t have a jar of it or marshmallow creme on hand. There are still excellent ways to achieve a delicious marshmallow-flavored frosting, though the texture might vary slightly.

One fantastic alternative is to make a marshmallow buttercream using melted marshmallows. This method typically involves melting down regular marshmallows (miniature ones work great for quicker melting) and incorporating them into your buttercream base. The result is a frosting with a similar sweet, sticky, and airy quality, but it might be slightly denser or chewier than a fluff-based one. You can find a dedicated recipe for marshmallow buttercream using mini marshmallows, which walks you through the process step-by-step.

Another option, for the more adventurous baker, is to make your own marshmallow fluff from scratch. While it requires a bit more effort, often involving egg whites and a hot sugar syrup, it yields an incredibly fresh and vibrant flavor. However, for the convenience and consistency of this recipe, store-bought marshmallow fluff is usually the preferred choice.

If you are a frosting fanatic like me, make sure to check out my comprehensive Frosting 101 guide. It delves into the various types of frostings, offering tips, tricks, and links to all sorts of delicious recipes to expand your baking repertoire!

Close up of a mixer paddle filled with white marshmallow fluff frosting.

4.59 from 65 ratings

Marshmallow Fluff Buttercream

Author: Carlee
Servings: 24 Servings
This marshmallow fluff frosting is a delightful twist on classic buttercream, perfect for cakes, cookies, and more. Its light, airy texture and sweet flavor are reminiscent of the delicious filling in our favorite snack cakes. You can easily make a double batch to frost an impressive layered cake, or use this recipe as written for a standard 9×13-inch cake. We particularly love how it complements oatmeal cream pie bars, and it would also be an amazing, nostalgic filling for whoopie pies.
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Prep: 8 minutes
Cook: 0 minutes
Total: 8 minutes

Ingredients

  • 1 cup butter softened
  • 2 cups powdered sugar
  • 1 teaspoon vanilla extract
  • 7 oz marshmallow fluff

Instructions

  • In the bowl of your stand mixer fitted with the paddle attachment, or with a hand mixer, cream the softened butter until it is wonderfully light and fluffy. This step is crucial for an airy frosting, so be sure to let it mix for a minimum of 2 minutes, or until visibly pale and aerated.
    1 cup butter
  • Gradually add in the powdered sugar, vanilla extract, and marshmallow fluff to the creamed butter. Begin mixing on a very low speed to avoid a cloud of powdered sugar, increasing the speed only once all ingredients are fully incorporated. Once combined, turn the mixer to medium speed and continue to beat for approximately 4 minutes. This longer beating time ensures the frosting becomes incredibly light, fluffy, and develops its signature marshmallow-like elasticity.
    2 cups powdered sugar, 1 teaspoon vanilla extract, 7 oz marshmallow fluff
  • Your marshmallow fluff buttercream is now ready to use! Generously spread it onto your thoroughly cooled cakes, cupcakes, cookies, or any other dessert. For storage, transfer any unused frosting to an airtight container.

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Nutrition Information

Serving: 1Serving | Calories: 130kcal | Carbohydrates: 16g | Fat: 8g | Saturated Fat: 5g | Polyunsaturated Fat: 2g | Cholesterol: 20mg | Sodium: 68mg | Sugar: 14g


“Cooking With Carlee” is not a dietitian or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories and other nutritional values can vary quite a bit depending on which brands were used.

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