Vanilla French Buttercream

1 quart

This wonderful vanilla French buttercream should be paired with Butter Lane's Chocolate Cupcakes.


  • 7 extra-large egg whites

  • 2 ½ cups sugar

  • 2 teaspoons cream of tartar

  • 1 cup (2 sticks) unsalted butter, cut into small pieces and chilled

  • 1 teaspoon pure vanilla extract

  • 2 vanilla beans, halved lengthwise


  1. In a large heatproof bowl set over (but not touching) simmering water, whisk together egg whites and sugar until sugar is melted and mixture reaches 140 degrees on a candy thermometer, 7 to 10 minutes.

  2. Transfer mixture to the bowl of an electric mixture fitted with the whisk attachment; beat on high until stiff peaks form, 12 to 15 minutes. Add cream of tartar and beat for one minute more.

  3. Reduce speed to medium and add butter, a few pieces at a time, mixing well after each addition. Add vanilla extract and scrape vanilla bean seeds into mixture; beat until well combined, about 2 minutes. Transfer to refrigerator; chill for 15 minutes before using.

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