Description
Fluffy Marshmallow Buttercream is a light, creamy, and silky frosting that transforms simple desserts into bakery-style treats. Made with whipped butter, marshmallow fluff, powdered sugar, and vanilla, this easy recipe creates a smooth texture that pipes beautifully onto cakes and cupcakes. Perfect for birthday cakes, easy dessert ideas, holiday baking, quick cupcake decorating, and homemade frosting lovers, this marshmallow buttercream is rich, airy, and irresistibly soft. Whether you need an easy recipe for cupcakes, layer cakes, brownies, or cookies, this frosting delivers sweet marshmallow flavor with a fluffy finish every time.
Ingredients
1 cup unsalted butter, softened
2 cups marshmallow fluff
4 cups powdered sugar, sifted
2 teaspoons pure vanilla extract
2 tablespoons heavy cream or milk
1 pinch salt
Instructions
1. Place the softened butter into a large mixing bowl and beat on medium-high speed for 3–5 minutes until pale, creamy, and fluffy.
2. Add the marshmallow fluff and continue mixing on medium speed until smooth and fully incorporated.
3. Gradually add the sifted powdered sugar one cup at a time while mixing on low speed.
4. Once all powdered sugar is added, increase the speed to medium-high and beat until smooth and airy.
5. Add the vanilla extract and salt, then mix until combined.
6. Pour in the heavy cream one tablespoon at a time until the desired consistency is reached.
7. Beat the frosting for another 3–4 minutes until light, fluffy, and silky.
8. Use immediately for cakes, cupcakes, brownies, cookies, or refrigerate until ready to use.
Notes
Use softened but slightly cool butter for the best fluffy consistency.
Sift powdered sugar before mixing to prevent lumps and create a silky texture.
Chill the frosting for 10–15 minutes before piping detailed decorations if needed.
- Prep Time: 15 minutes
- Cook Time: 0 minutes
- Category: Frosting
- Method: Mixing
- Cuisine: American
Nutrition
- Serving Size: 2 tablespoons
- Calories: 245
- Sugar: 33g
- Sodium: 55mg
- Fat: 12g
- Saturated Fat: 7g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 35g
- Fiber: 0g
- Protein: 0.5g
- Cholesterol: 30mg