Chocolate Yule Log

Chocolate Yule Log

This Christmas Yule log recipe from Chef John makes a show-stopping bûche de Noël featuring a rolled chocolate cake with rich buttercream and ganache.

Preparation Time
50 mins
Cooking Time
10 mins
Total Time
60 mins
Calories
526 Calories

Recipe Instructions

Step 1
Preheat the oven to 400 degrees F (200 degrees C).
Step 2
Prepare a 13x18-inch rimmed sheet pan for the sponge cake: Brush a little melted butter over the sheet pan, then line the pan with parchment paper, and brush remaining melted butter on top.
Step 3
Transfer filling mixture to a separate bowl and add mascarpone cheese. Mix until combined; set aside. Clean and dry the stand mixer bowl.
Step 4
Whisk cocoa powder, flour, and salt together in a bowl, making sure to break up any clumps.
Step 5
Pour batter onto the prepared sheet pan and spread out with a spatula, almost to the edges, but not quite. Tap the pan on the counter several times to remove any large air bubbles.
Step 6
Bake in the preheated oven until the top is dry and the edges start to pull away from the sides, 8 to 10 minutes.
Step 7
While the cake is baking, sift powdered sugar onto a clean kitchen towel to cover an area slightly larger than the sponge cake.
Step 8
Use the tip of a knife to carve lines into the ganache to create the appearance of tree bark. Refrigerate until completely chilled.
Step 9
Dust with cocoa powder and powdered sugar before serving.
Step 10
Remove cake from the oven. Run a knife around the edges of the pan. Dust some powdered sugar over the top. Run a spatula under the parchment paper to make sure it's not stuck to the pan.
Step 11
Place eggs in the clean bowl of your stand mixer. Add sugar and whip with the whisk attachment until fluffy, thick, and very light in color, 2 to 3 minutes.
Step 12
Add vanilla and 1/2 of the cocoa powder mixture; mix on low speed for a few seconds.
Step 13
Pull off the whisk attachment and use it to whisk the batter by hand until evenly blended.
Step 14
Quickly flip the pan on top of the sugared area on the towel to invert the cake.
Step 15
Carefully remove the parchment paper, then sift more powdered sugar over the cake.
Step 16
Gently roll the cake up inside the towel; allow to cool for 15 minutes.
Step 17
Carefully unroll the cooled cake. Dollop as much buttercream filling as you like on top, reserving some for later; spread to the edges.
Step 18
Roll cake up over the filling, using the towel to lift it if needed.
Step 19
Sprinkle more powdered sugar on top over the log, then wrap in plastic wrap. Refrigerate until firm, about 2 hours.
Step 20
Make an angled cut 3 inches from one end of the log. Place log on a parchment-lined sheet pan.
Step 21
Apply some filling to the angled slice and attach it to one side of the log.
Step 22
Spread a layer of ganache all over the cake, except for the swirls on the ends. Refrigerate for 15 minutes to firm up the ganache.
Step 23
To make the buttercream filling: Whip powdered sugar, butter, coffee-flavored liqueur, cocoa powder, and salt together in the bowl of a stand mixer fitted with the whisk attachment on high speed.
Step 24
Add remaining cocoa mixture and mix on low for a few seconds. Switch to high speed and mix until the mixture is moistened but not fully blended.
Step 25
To make the ganache frosting: Pour hot cream over chocolate chips in a bowl. Let sit for 1 minute, then whisk until chocolate is melted.

Ingredients

  • 1 pinch salt
  • 2 tablespoons all-purpose flour
  • 2 tablespoons coffee-flavored liqueur
  • 2 tablespoons melted butter
  • 2 tablespoons powdered sugar, or as needed
  • 5 large eggs, at room temperature
  • 1 cup heavy cream, boiling-hot
  • 1 (8 ounce) package dark chocolate chips
  • 0.5 cup unsweetened cocoa powder
  • 0.66666668653488 cup white sugar
  • 0.5 teaspoon kosher salt
  • 0.5 cup unsalted butter, at room temperature
  • 0.5 teaspoon vanilla
  • 1.6666667461395 cups powdered sugar
  • 1.5 tablespoons unsweetened cocoa powder
  • 0.33333334326744 cup mascarpone cheese

Categories

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