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Italian Meringue Buttercream

This luxuriously creamy Italian Meringue Buttercream is perfect for frosting cakes and cupcakes, featuring a smooth, silky texture with a rich vanilla flavor.
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Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Servings: 5 cups
Course: Dessert, Frosting
Cuisine: Italian
Calories: 400
Ingredients Method Notes

Ingredients
  

Meringue Base
  • 1 cup Egg Whites Provides structure and stability.
  • 2 cups Granulated Sugar Sweetens and stabilizes the meringue.
  • 1/2 cup Water Acts as a solvent, helping to dissolve the sugar.
Buttercream Ingredients
  • 4 cups Unsalted Butter Gives richness and smoothness.
  • 1 teaspoon Vanilla Extract Adds flavor and aroma.
  • 1 pinch Salt Enhances sweetness and balances flavors.

Method
 

Making the Meringue
  1. In a medium saucepan, combine 2 cups of granulated sugar with 1/2 cup of water. Cook over medium heat, stirring occasionally, until the mixture reaches 240°F (the hard ball stage).
  2. In a stand mixer, whip 1 cup of egg whites on medium speed until soft peaks form.
  3. Once your sugar syrup reaches the perfect temperature, carefully pour it into the whipped egg whites in a steady stream while continuing to mix.
  4. Keep whipping until the meringue has cooled completely and has a glossy finish—this should take about 5-10 minutes.
Making the Buttercream
  1. Gradually add in 4 cups of softened unsalted butter, mixing on low until incorporated.
  2. Beat in 1 teaspoon of vanilla extract and a pinch of salt. Mix until smooth and decadent.
Serving Suggestions
  1. Use this buttercream to frost cakes and cupcakes as desired. Utilize a smooth spatula for cakes and a piping bag fitted with a star tip for cupcakes.

Notes

For better volume, use room temperature eggs and opt for high-quality vanilla extract. The buttercream can be refreshed in a preheated oven on the lowest setting for about 5-10 minutes.