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Close-up of glossy Strawberry Marshmallow Frosting showing tiny red strawberry flecks and an airy texture.

Strawberry Marshmallow Frosting: The Ultimate Fluffy and Glossy Recipe

This Strawberry Marshmallow Frosting is a glossy, airy masterpiece featuring real strawberry flecks and a dreamy marshmallow texture. Perfectly stable for piping tall swirls on vanilla cupcakes and summer desserts.
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Prep Time 20 minutes
Cook Time 10 minutes
Total Time 30 minutes
Servings: 12 cupcakes
Course: Dessert, Topping
Cuisine: American
Calories: 280
Ingredients Equipment Method Notes

Ingredients
  

Frosting Components
  • 4 large Egg Whites Room temperature
  • 1 cup (200g) Granulated Sugar
  • 1.5 cups (340g) Unsalted Butter Softened to cool room temperature
  • 1 jar (198g) Marshmallow Crème Also known as Fluff
  • 1/2 cup (15g) Freeze-Dried Strawberries Crushed into a fine powder with flecks
  • 1 tsp (5ml) Pure Vanilla Extract
  • 1/8 tsp Fine Sea Salt

Equipment

  • 1 Stand Mixer With whisk and paddle attachments.
  • 1 Piping Bag Fitted with a large star or round tip.
  • 1 Digital Thermometer To check egg white temperature.

Instructions
 

Prepare the Base
  1. Whisk egg whites and sugar in a heat-proof bowl over simmering water until sugar is dissolved and mixture reaches 160°F (71°C).
  2. Beat on high speed in a stand mixer until glossy, stiff peaks form and the bowl is cool to the touch.
Final Assembly
  1. Slowly add butter piece by piece while mixing on medium. Once smooth, fold in the marshmallow crème.
  2. Fold in the freeze-dried strawberry powder, vanilla, and salt until light pink with visible red flecks.

Notes

Ensure your mixing bowl is completely grease-free for the meringue to rise.
For the best visual results, pipe the tall swirl immediately after mixing.
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