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Swiss Meringue Buttercream

Martha Stewart Baby, Winter http://www.marthastewart.com/357675/swiss-meringue-buttercream
3.46875
Rated
69.375100(35)35
  • Yield Makes about 6 cups

Ingredients

    • 1 pound (4 sticks) unsalted butter, room temperature
    • 1 1/2 cups sugar
    • 6 egg whites
    • 1 teaspoon pure vanilla extract

Directions

  1. Beat butter with electric mixer until fluffy and pale. Transfer to small bowl.
  2. In double boiler over simmering water, whisk sugar and egg whites until warm and sugar is dissolved, 2 to 3 minutes. Transfer to clean bowl of electric mixer; beat on high with whisk attachment until fluffy and cooled, about 10 minutes.
  3. Reduce mixer to medium-low; add butter a scant 1/4 cup at a time, beating well after each addition. Mix in vanilla.
  4. Switch to paddle attachment; beat on lowest speed 3 to 5 minutes. Leave at room temperature if using same day.

Cook's Note

Store airtight in refrigerator up to 3 days. Bring to room temperature; beat until smooth.

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