Marshmallow buttercream frosting –Are you ready to elevate your dessert game with a delightful frosting that will impress everyone? This marshmallow buttercream frosting is light, fluffy, and bursting with flavor. Perfect for spreading on cakes, cupcakes, or even as a dip for fruits, this recipe is sure to become a favorite in your kitchen.
The Best Marshmallow Buttercream Frosting
This frosting is not only easy to make but also adds a touch of sweetness to any dessert. Let’s dive into the delightful recipe!

Ingredients
- 1 cup unsalted butter, softened
- 3-4 cups powdered sugar (adjust for sweetness)
- 1/4 cup heavy cream
- 1 tablespoon pure vanilla extract
- 2 cups marshmallow fluff
- Pinch of salt
Instructions
- In a large mixing bowl, beat the softened butter on medium speed until creamy and smooth, about 2 minutes.
- Gradually add the powdered sugar, mixing on low speed until combined. Increase the speed to medium and continue to beat until fluffy.
- Pour in the heavy cream and vanilla extract. Beat until fully incorporated and creamy.
- Gently fold in the marshmallow fluff and a pinch of salt. Mix until the fluff is fully integrated, creating a light and airy texture.
- If the frosting is too thick, you can add a bit more heavy cream until you reach your desired consistency. If it’s too thin, add a little more powdered sugar.
- Use your delicious marshmallow buttercream frosting immediately to frost cakes or cupcakes, or store it in an airtight container in the refrigerator for up to one week.
This marshmallow buttercream frosting can be kept for a while in the refrigerator. Just give it a quick whip with a mixer before using it again. With its dreamy texture and beautiful flavor, this frosting will leave your taste buds dancing with joy. Enjoy your baking adventure!