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This Marshmallow buttercream frosting is easy to make and makes a delicious homemade filling for my giant Twinkie Bundt Cake. Of course, it's great on cupcakes and cakes too!
★ Why You'll Love this Recipe ★
This recipe takes buttercream frosting to new heights, literally. It's super thick and fluffy, elevating the look and texture of your cupcakes or cakes.
Marshmallows in Frosting Form
A crowd-pleasing topping for cupcakes or filling for cakes, this marshmallow buttercream frosting brings the signature flavor and fluffy texture of marshmallows to your desserts.
Quick and Easy to Make
Made with only a few ingredients, this frosting is ready to use in just 5 minutes. No cooking required. Just literally whip it up!
Great Taste and Texture
By mixing in marshmallow fluff, frosting takes on a light and fluffy texture you won’t find anywhere else. Made with a few pantry staples, it can be both colored and piped for your desserts. Use it on top of cakes, cupcakes, brownies, or as a filling between two bars.
It's versatile too.
Light enough that it can be piped for aesthetics and not too thick so it can be smeared on top of brownies or even served as a dip for fruits or cookies. It works as a topping for just about any dessert to make it more indulgent. Think, a thick, more stable whipped cream.
★ Ingredients You'll Need ★
This smooth, rich and deliciously fluffy frosting is easy to make at home using just 4 ingredients plus food coloring if you'd like to color your frosting.
- Powdered sugar: Make sure there are no big clumps in the sugar before you start mixing so that it blends well and holds the frosting together.
- Marshmallow fluff: The flavor-booster of the recipe, this fluff is easy to work with.
- Vanilla extract: The better quality vanilla you use, the more the flavor will come out.
- Unsalted butter: Make sure to let your butter come to room temperature before you begin making the frosting.
- Salt. You can mix in a pinch of table or fine grain sea salt if you'd like to tone down the sweetness, but it's not required.
★ How to Make this Recipe ★
This frosting is simple to make. Here's a look at the steps and how to add color.
- Add sugar, vanilla, and butter to bowl.
- Beat with electric mixer until smooth.
- Add in marshmallow fluff.
- Mix until combined and fluffy.
- Add in coloring if using.
- Place into piping bag to decorate.
Simple as that and you're ready to apply it to your cupcakes, cake, or dessert of your choice.
★ Tips & FAQs ★
Yes! It works well when piped on to cakes or cupcakes and offers very defined ridges; however it won’t be as useful for intricate decorating due to it's softness.
This frosting looks best piped but can also be spread onto your desserts.
Store any leftover frosting in the fridge for up to 2 weeks in an airtight container. It should maintain most of its texture but if not, whip it a bit first or massage it in the piping bag before using it.
Yes. This frosting can be frozen in a freezer-safe container for 4-6 weeks. When you need it, let it thaw in the fridge overnight before re-whipping it to regain its fluffy texture.
No. So long as your baked good can be stored at room temperature, the frosting can as well for up to 2 days. Just store the desserts in a container or wrapped in plastic wrap so that they stay fresh.
Naturally, this marshmallow frosting is easy to work with; however, if you find it’s too thick for what you need it for, add in a small splash of milk and then whip it again. A little goes a long way so start by adding just 1 teaspoon at a time until you reach your desired thickness.
Marshmallow frosting works when piped onto cakes or cupcakes. It’s also delicious smeared onto brownies or bars and makes an excellent filler inside cupcakes for a rich surprise.
You can spread some of this frosting between two cookies to create cookie sandwiches. You can even serve it as a dip for fruit or cookies as part of a charcuterie. It’s extremely versatile!
★ More Cupcake Recipes ★
Use this homemade marshmallow buttercream frosting along with these delicious cake-mix recipes: holiday yule log cake, Twinkie bundt cake, or as a topping for any cake or cupcake.
Marshmallow Buttercream Frosting
Equipment
Ingredients
Frosting
- 2 cups powdered sugar
- 7 oz marshmallow fluff
- ½ cup unsalted butter (1 stick), softened
- 1 teaspoon vanilla extract
Optional for Color
- food coloring
Mighty Mrs. is a #WalmartPartner.
Instructions
- Blend frosting. Add powdered sugar, vanilla, and softened butter to a large mixing bowl and beat with an electric mixer until smooth. Add marshmallow fluff and mix until fully combined and fluffy.
- Color frosting. If desired, add food coloring and mix until fully combined.
- Prepare piping bag. Assemble piping bag with your desired tip then place empty piping bag into a tall drinking glass and fold the opening over the rim of the glass to hold it open.Scrape frosting into the bag and squeeze out excess air.
- Pipe frosting. Apply frosting to cupcakes in a circle motion or as your recipe directs.
Notes
- Watkins brand or other liquid food color incorporates better than gel food coloring.
- Feel free to add a dash of salt to tone down the sweetness of the frosting.
- To soften butter, heat in microwave for 15 second intervals until soft.
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