This Christmas, skip the expensive store-bought log and craft a showstopping dessert yourself. This easy Black Forest–style rolled Yule log combines a light chocolate sponge, cherry syrup, and a rich mascarpone chantilly. Follow the step-by-step method below for a festive centerpiece that tastes far better than most pâtisserie buys.
Ingredients for six servings — what you’ll need
- For the sponge:
- 4 medium eggs
- 60 g sugar
- 1 packet vanilla sugar
- 40 g all-purpose flour (T45)
- 40 g potato starch
- 30 g unsweetened cocoa powder
- 1 tbsp powdered sugar for dusting
- For the cherry syrup:
- 50 g sugar
- 100 ml water
- 2 cl cherry syrup from the jar
- For the filling:
- 250 g mascarpone
- 200 ml heavy cream (30% fat)
- 50 g icing sugar
- 160 g pitted preserved cherries
- For finishing:
- 1 tsp powdered sugar
- 1 small sprig rosemary
- 4 whole preserved cherries
How to bake the chocolate sponge — tips for a light roll
Oven and egg handling
- Preheat the oven to 170°C (fan). Separate whites and yolks.
- Beat the egg whites to stiff peaks. Add the sugar and vanilla sugar gradually.
- Fold in the yolks gently to keep the batter airy.
Mixing dry ingredients and baking
- Sift the flour, potato starch, and cocoa over the egg mixture.
- Fold with a spatula until uniform. Avoid overmixing.
- Line a 40×30 cm baking tray with parchment. Spread the batter to about 1 cm thick.
- Bake for 12 minutes. Remove from oven and dust immediately with powdered sugar.
- Cover with a slightly damp clean kitchen towel to retain moisture and let it cool.
Making the cherry syrup — flavor boost for the sponge
- Drain the preserved cherries through a fine sieve into a bowl. Save the juice.
- In a small saucepan combine water and sugar. Bring to a boil until sugar dissolves.
- Let the syrup cool slightly, then stir in the collected cherry juice.
- Set the syrup aside to reach room temperature.
Whip the mascarpone chantilly — stable, fluffy filling
- Chill the mixing bowl and beaters in the fridge first. Cold tools help the cream thicken.
- Pour cold cream into the chilled bowl. Add mascarpone and begin whipping.
- When cream thickens, add icing sugar and finish to firm peaks.
- Transfer the chantilly into a piping bag fitted with a large fluted tip and refrigerate.
Assembling the Black Forest roulade — rolling and chilling
- Flip the cooled sponge onto the damp towel, with the baking tray underneath. Remove the tray and peel off the parchment.
- Brush the surface liberally with the cherry syrup using a pastry brush.
- Spoon or pipe two-thirds of the chantilly over the sponge, leaving a 1 cm edge clear.
- Scatter the halved pitted cherries evenly across the cream.
- Use the towel to help roll the sponge tightly from the short edge. Keep the roll compact to avoid cracking.
- Wrap the log in cling film like a candy and tighten gently. Roll it on the worktop to smooth the shape.
- Refrigerate overnight, or at least 6 hours, to set the roll firmly.
Final touches and presentation tips
- Remove the film the next day and place the log on a serving board.
- Trim both ends with a sharp knife for a clean look.
- Dust lightly with powdered sugar and pipe rosettes of chantilly along the top.
- Top each rosette with a whole cherry and tuck a small sprig of rosemary beside it.
- Keep the finished log chilled until serving and add a final dusting of sugar just before you bring it to the table.
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