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marshmallow buttercream frosting

Marshmallow Buttercream Frosting

Marshmallow Buttercream Frosting is a perfect buttercream frosting for frosting and decorating cakes. This bakery style frosting is made with homemade marshmallow fluff which gives it an amazing flavor, but the texture is also perfect for decorating a cake.
Course Dessert
Cuisine American
Keyword Marshmallow Buttercream Frosting
Prep Time 10 minutes
Cook Time 10 minutes
Total Time 20 minutes
Servings 1
Calories 4635kcal
Author MidgetMomma



  • Place your butter in the bowl of your mixer. Cream the butter until smooth.
  • Slowly add in your sugar 1/2 cup at a time until its all incorporated.
  • Add in the almond extract.
  • Carefully fold the marshmallow fluff into the butter mixture until well incorporated.
  • You can store this a room temperature for up to two weeks in a airtight container.


If you are using this recipe to decorate cupcakes it will make enough to frost 24 cupcakes. The calorie count for 24 cupcakes frosting wise comes out to 193 calories for the frosting per cupcake. 
This batch of frosting is enough frosting to frost a regular cake or a double stacked cake with 2 8inch or 9inch round cake pans. 


Calories: 4635kcal | Carbohydrates: 792g | Protein: 1g | Fat: 184g | Saturated Fat: 116g | Cholesterol: 488mg | Sodium: 1630mg | Potassium: 54mg | Sugar: 696g | Vitamin A: 5675IU | Calcium: 55mg | Iron: 0.3mg