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Perfect Swiss Meringue Buttercream

A classic frosting with a smooth, creamy texture and subtly sweet flavor, perfect for cakes and cupcakes.
Prep Time15 minutes
Cook Time10 minutes
Total Time25 minutes
Course: Dessert
Cuisine: Swiss
Keyword: Buttercream, Frosting
Servings: 12 servings

Equipment

  • Double boiler
  • Stand Mixer
  • Heatproof Bowl
  • Thermometer

Ingredients

Ingredients

  • 5 large Egg Whites Essential for creating the meringue base.
  • 1 cup Granulated Sugar Helps stabilize the meringue and sweetens the buttercream.
  • 1.5 cups Unsalted Butter Softened at room temperature for creaminess.
  • 1 pinch Salt Enhances and balances the flavors.
  • 1 tablespoon Vanilla Bean Paste Adds natural and aromatic flavor.

Instructions

  • Prepare a double boiler by filling a saucepan with water and bringing it to a simmer. Place a heatproof bowl on top.
  • Add egg whites and granulated sugar to the bowl, whisking gently to combine.
  • Heat the mixture to 160°F (70°C), stirring constantly until the sugar dissolves.
  • Remove from heat and beat the mixture on medium speed until stiff, glossy peaks form (about 10 minutes).
  • Reduce mixer speed to low and gradually add softened butter, mixing until smooth and creamy.
  • Add a pinch of salt and vanilla bean paste, mixing until fully combined.
  • Your buttercream is ready to use! Spread or pipe onto cakes or cupcakes.

Notes

Store leftover buttercream in an airtight container in the refrigerator for up to one week. Re-whip before using.