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Marshmallow Fluff Frosting Recipe

Published: Jul 15, 2026 by Ivy · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 4.3 from 39 reviews

The Marshmallow Fluff Frosting Recipe is a delightful, airy frosting that transforms any cake, cupcake, or dessert into a sweet and creamy masterpiece. With its soft and fluffy texture paired with a gentle sweetness, this frosting manages to capture that nostalgic marshmallow charm in a spreadable form, making every bite a joyful experience. Whether you’re aiming to dazzle at a party or just elevate your everyday baking, this Marshmallow Fluff Frosting Recipe offers a simple yet irresistible way to add a cloud-like topping that complements countless flavors.

Ingredients You'll Need

Four small bowls are placed on a white marbled surface. The top left bowl is white with blue patterns and holds a thick pale yellow block of butter. To the right, a colorful bowl with red, yellow, green, and black decorations contains a smooth, white creamy liquid. Below the butter, a small dark red bowl holds a dark brown liquid. To the right of the dark red bowl, a white bowl with blue shapes and an orange rim is filled with powdery white sugar. photo taken with an iphone --ar 4:5 --v 7

This Marshmallow Fluff Frosting Recipe calls for a handful of ingredients that come together beautifully to create that perfect blend of fluffy texture and sweet flavor. Each one plays an essential role, from lending richness to providing that signature marshmallow fluffiness and sweetness.

  • Unsalted butter (1 cup, softened): Using softened butter ensures a smooth, creamy base that whips up light and airy.
  • Marshmallow fluff (7.5 oz): This is the star, creating the signature pillowy sweetness and that classic marshmallow texture.
  • Vanilla extract (1 tsp): Adds warmth and depth, rounding out the sweetness with a subtle fragrant note.
  • Powdered sugar (3 cups, sifted): Sweetens the frosting while helping it achieve that silky smooth consistency.

How to Make Marshmallow Fluff Frosting Recipe

Step 1: Cream Butter and Marshmallow Fluff

Start by combining the softened butter and marshmallow fluff in a large bowl or stand mixer fitted with a paddle attachment. Beat them together on low speed for about 2 minutes until the mixture becomes light, fluffy, and well combined. This step is crucial as it sets the base for that luscious, cloud-like texture you want in the final frosting.

Step 2: Add Half the Powdered Sugar

Sift half of the powdered sugar directly into your fluffy mixture to avoid any lumps. Gently beat on a low setting until just combined. This gradual incorporation allows the sugar to meld into the frosting smoothly without making it too dense or grainy.

Step 3: Finish with Remaining Sugar and Vanilla

Next, sift in the remaining powdered sugar along with the vanilla extract. Continue beating on low speed until the frosting becomes creamy, glossy, and smooth. The vanilla ties all the flavors together beautifully, elevating this Marshmallow Fluff Frosting Recipe from simple sweetness to something truly special.

How to Serve Marshmallow Fluff Frosting Recipe

The image shows a sheet of brown parchment paper with five shapes of piped white cream arranged on it. There are two long curved layers made of smooth, delicate, shell-like ridges placed at the top and bottom of the image, while two smaller, star-shaped swirls sit in the middle. One flatter, more ruffled line with a textured edge is between the stars and the top curve. On the right side, a piping bag with a metal star tip is partially visible. The background is a white marbled texture. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Sprinkle your frosted treats with toasted coconut flakes, rainbow sprinkles, or a light dusting of edible glitter to make your frosting pop visually. Fresh berries also add a lovely contrast, enhancing both the look and the taste.

Side Dishes

This fluffy frosting pairs wonderfully with classic desserts such as chocolate or vanilla cupcakes, rich carrot cakes, and even simple sugar cookies. Try it alongside a warm mug of hot cocoa or a creamy latte for an indulgent experience.

Creative Ways to Present

Think beyond spreading—the marshmallow fluff frosting can be piped in beautiful swirls using a star tip, layered between cake layers for wow factor, or dolloped generously atop brownies or bars for an irresistible finish. You might also use it as a dip for fresh fruit or to fill sandwich cookies.

Make Ahead and Storage

Storing Leftovers

Once made, store any leftover frosting in an airtight container in the refrigerator for up to one week. Before using, bring it back to room temperature and give it a quick whisk to restore its fluffy consistency.

Freezing

You can freeze this Marshmallow Fluff Frosting Recipe in a tightly sealed container for up to 3 months. Thaw overnight in the refrigerator, then beat it lightly again to regain its smooth texture before frosting your baked goods.

Reheating

Never heat directly in the microwave as this can alter the texture. Instead, let the frosting come up slowly to room temperature and re-whip to restore its airy nature. If it feels too stiff, a small splash of milk or cream while whipping can bring back some softness.

FAQs

Can I use salted butter instead of unsalted?

While you can use salted butter, it’s better to stick with unsalted so you can control the sweetness precisely. Salted butter may slightly alter the flavor balance of this delicate frosting.

Is marshmallow fluff the same as marshmallow cream?

Yes, marshmallow fluff and marshmallow cream are essentially the same product and can be used interchangeably in this Marshmallow Fluff Frosting Recipe.

Can I add food coloring to this frosting?

Absolutely! Gel food coloring works best for maintaining that fluffy texture without thinning the frosting. Add it slowly until you achieve your desired shade.

Will this frosting hold up in warm weather?

Because of the butter and marshmallow fluff, this frosting is somewhat stable but can soften quickly in heat. Keep desserts refrigerated if the weather is warm and serve shortly before eating.

Can I make this frosting vegan?

To adapt this Marshmallow Fluff Frosting Recipe for a vegan diet, use a vegan butter substitute and a marshmallow fluff made from plant-based ingredients, which are available at some specialty stores or online.

Final Thoughts

If you’re craving a frosting that’s both nostalgic and effortlessly light, the Marshmallow Fluff Frosting Recipe is an absolute must-try. Its smooth, fluffy texture and sweet marshmallow magic make it the perfect finishing touch for so many desserts. Go ahead and whip up a batch—you might just find that it becomes your new favorite go-to frosting for every special occasion and everyday treat!

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Marshmallow Fluff Frosting Recipe

Marshmallow Fluff Frosting Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.3 from 39 reviews
  • Author: Ivy
  • Prep Time: 10 minutes
  • Cook Time: 5 minutes
  • Total Time: 15 minutes
  • Yield: 32 servings
  • Category: Dessert Topping
  • Method: Blending
  • Cuisine: American
  • Diet: Vegetarian
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Description

This Marshmallow Fluff Frosting is a light, fluffy, and sweet topping perfect for cakes, cupcakes, and cookies. Made with creamy unsalted butter, gooey marshmallow fluff, vanilla extract, and powdered sugar, it whips up quickly to create a smooth and dreamy texture that pairs wonderfully with a variety of baked treats.


Ingredients

Frosting Ingredients

  • 1 cup unsalted butter, softened at room temperature
  • 7.5 oz marshmallow fluff (or marshmallow cream)
  • 1 teaspoon vanilla extract
  • 3 cups powdered sugar (or icing sugar), sifted


Instructions

  1. Cream Butter and Marshmallow Fluff: Place the softened unsalted butter and marshmallow fluff in a large mixing bowl or the bowl of a stand mixer fitted with a paddle attachment. Beat them together on low speed for about 2 minutes until the mixture is light, creamy, and fully incorporated.
  2. Add Half the Powdered Sugar: Sift half of the powdered sugar into the bowl and beat on low speed until just combined. This helps prevent powdered sugar dust and aids in smooth mixing.
  3. Mix in Remaining Powdered Sugar and Vanilla: Sift in the remaining powdered sugar and add the vanilla extract. Continue to beat on a low setting until the frosting is creamy, smooth, and fluffy. Avoid overbeating to maintain the desired light texture.

Notes

  • Make sure the butter is softened but not melted for best texture.
  • Sifting the powdered sugar avoids lumps and ensures a silky frosting.
  • Use a paddle attachment or a hand mixer on low to prevent incorporating too much air that can destabilize the frosting.
  • This frosting is best used immediately but can be stored in an airtight container in the refrigerator for up to a week; bring to room temperature and re-whip before using.

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Hey, I’m Ivy!

I’m a 28-year-old mom to my little prince, Pitter, who loves cooking and exploring flavors from around the world. What started in my home kitchen is now a space where I share simple, global-inspired recipes made with love.

 

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