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Yule Log Cake (Bûche de Noël)

A delightful rolled cake resembling a log, filled with rich chocolate and creamy filling, perfect for the festive season.

Ingredients

Scale
  • 3/4 cup all-purpose flour
  • 1/3 cup Hershey’s Special Dark cocoa powder
  • 1 tsp baking powder
  • 1/2 tsp salt
  • 4 large eggs, divided
  • 3/4 cup granulated sugar
  • 5 tbsp sour cream
  • 1/4 cup unsalted butter, melted
  • 1 tsp vanilla extract
  • 1 1/4 cups heavy whipping cream, cold
  • 3/4 cups powdered sugar
  • 1 tsp vanilla extract
  • 1/8 tsp salt
  • 8 oz mascarpone cheese, softened
  • 8 oz semi-sweet chocolate, finely chopped
  • 1 cup heavy whipping cream
  • Sugared cranberries, optional
  • Sugared rosemary, optional

Instructions

  1. Preheat the oven to 350°F (175°C) and line a 17×12-inch jelly roll pan with parchment paper.
  2. In a medium bowl, whisk together flour, cocoa powder, baking powder, and salt. Set aside.
  3. In a large bowl, whisk together the egg yolks and granulated sugar until light and glossy. Stir in the sour cream, melted butter, and vanilla extract until well mixed.
  4. Gradually mix in the dry ingredients until just combined, avoiding overmixing.
  5. In a separate bowl, beat the egg whites until stiff peaks form and gently fold into the batter.
  6. Pour the batter into the prepared pan and spread it evenly. Bake for 10-12 minutes, or until the surface springs back when touched lightly.
  7. Immediately lift the cake out and roll it up with the parchment paper while still warm. Let it cool completely.
  8. For the filling, whip the heavy cream with powdered sugar, vanilla extract, and salt until soft peaks form, then fold in the mascarpone cheese.
  9. Unroll the cooled cake and spread the filling evenly across the surface. Roll it back up without the parchment and refrigerate.
  10. For the ganache, heat the heavy cream until it’s just about to simmer, then pour it over the chopped chocolate. Let it sit before whisking until smooth and airy.
  11. Frost the cake log with the ganache, creating a textured look. Decorate with sugared cranberries and rosemary.
  12. Refrigerate until ready to serve.

Notes

Egg whites should be at room temperature for better volume. For a festive touch, use colored edible glitter or additional decorations.

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