Yellow Cupcakes with Chocolate Crème Fraîche Frosting
Prep time: 
Cook time: 
Total time: 
Serves: 12 cupcakes
  • 1½ cups all-purpose flour
  • 1 teaspoon baking powder
  • ¼ teaspoon baking soda
  • ¼ teaspoon kosher salt
  • ½ cup soft unsalted butter
  • ¾ cup granulated sugar
  • 1 large egg plus 2 egg yolks
  • ½ cup milk
  • 1 teaspoon vanilla extract
  • For the frosting:
  • 12 ounces chopped dark chocolate (340g)
  • ½ cup unsalted butter (113g)
  • 2 tablespoons corn syrup
  • 8 ounces room temperature crème fraîche (227g)
  • 1 cup confectioners sugar (115g)
  • ¼ teaspoon kosher salt
  • sprinkles
  1. Preheat the oven to 350°F. Line a muffin tin with 12 paper liners.
  2. In a mixing bowl, whisk the flour, baking powder, baking soda, and salt together.
  3. In the bowl of a stand mixer, beat the butter until creamy, about 1 minute. Add the sugar and beat until light and fluffy, about 3 minutes. Beat in the egg and yolks, one at a time, beating until incorporated and scraping after each addition. Whisk the milk and vanilla together. Alternately add the flour mixture and milk mixture in 3 additions, scraping the bottom of the bowl after each addition until just combined. Divide the batter evenly between the muffin cups, filling each cup about ¾ full.
  4. Bake the cupcakes on the center rack of the preheated oven for about 25 minutes, or until the top of the cupcakes spring back to the touch and a toothpick inserted in the center comes out clean. Remove the cupcakes from the oven and cool completely on a rack before frosting.
  5. For the frosting: To make the frosting, fashion a double boiler by setting a heatproof bowl over a pan of simmering water--making sure the water does not touch the bottom of the bowl. Add the chocolate, butter, and corn syrup stirring every so often until melted and smooth. Remove the bowl from the heat and set aside to cool for about 10 minutes. Beat in the crème fraîche until smooth, followed by the confectioner's sugar and salt. Chill the frosting in the refrigerator for about 30 minutes, stirring after 15, until the frosting thickens up but is still soft enough to pipe or spread onto the cooled cupcakes.
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