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–+ servings
Piped swirl of fluffy white marshmallow buttercream frosting.

Marshmallow Buttercream Frosting with Mini Marshmallows

This fluffy buttercream has real marshmallows mixed right into the frosting. It is relatively stable, super delicious and lots of fun.
Prep Time12 minutes
Cook Time5 minutes
Total Time17 minutes
Servings: 36 Servings
Author: Carlee

Ingredients

  • 16 oz mini marshmallows
  • 3 Tablespoons milk and more as needed
  • 1 cup unsalted butter soft
  • 1 cup shortening
  • 4 cups powdered sugar
  • 1½ teaspoons vanilla extract
  • ¼ teaspoon salt
  • 2 Tablespoons meringue powder optional

Instructions

  • Melt 16 oz mini marshmallows in large microwave safe bowl in 30 second bursts until it can be stirred smooth. Stir in 3 Tablespoons milk, set aside to cool a bit.
  • Meanwhile beat the 1 cup unsalted butter until it is smooth and creamy. Add the 1 cup shortening and beat until combined.
  • Add melted marshmallow mixture and mix well.
  • Stir in 4 cups powdered sugar, ¼ teaspoon salt, 2 Tablespoons meringue powder and 1½ teaspoons vanilla extract. Mix on low for several minutes.
  • Adjust the consistency with more milk or powdered sugar as needed.

Nutrition

Serving: 1Serving | Calories: 189kcal | Carbohydrates: 24g | Protein: 0.3g | Fat: 11g | Saturated Fat: 5g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 4g | Trans Fat: 1g | Cholesterol: 14mg | Sodium: 28mg | Potassium: 5mg | Fiber: 0.01g | Sugar: 20g | Vitamin A: 160IU | Calcium: 4mg | Iron: 0.04mg
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