A festive yule log with hazelnut dacquoise, silky Gianduja cremeux, praline insert, praline crunch, Gianduja mousse, and a glossy milk chocolate mirror glaze.This is one of my favorite bûche recipes—an irresistible entremet for hazelnut lovers. Rich, nutty, and perfectly balanced, this layered dessert features a soft hazelnut dacquoise, creamy Gianduja crémeux, fruity praliné, a crispy hazelnut crunch layer, and a light Gianduja mousse. It’s finished with a flawless milk chocolate mirror glaze. Whether you're hosting a holiday dinner or simply celebrating the joy of pastry-making, this yule log is an elegant and indulgent showstopper.
Course Dessert
Prep Time 1 hourhour25 minutesminutes
Cook Time 20 minutesminutes
Servings 12people
Ingredients
🌰 Hazelnut Dacquoise (J-2)
2egg whites
15ggranulated sugar
40gpowdered sugar
50ghazelnut powder
🍫 Gianduja Crémeux (J-2)
80gheavy cream
40gwhole milk
1sheet gelatin2 g
80gGianduja
🌰 Praliné (J-2)
Smooth almond-hazelnut praliné50% nuts, 50% sugar, for piping
✨ Milk Chocolate Mirror Glaze (J-2)
95ggranulated sugar
95gglucose syrup
40gwater
95gValrhona Azélia milk chocolate
3.5sheets gelatin7 g
50gunsweetened condensed milk
🍫 Praliné Crunch (J-1)
20gAzélia milk chocolate
35gcrushed crêpes dentelles
10gchopped hazelnuts
45galmond-hazelnut praliné50%
🍫 Gianduja Mousse (J-1)
160gwhole milk
2egg yolks
10gsugar
1.75sheets gelatin3.5 g
95gGianduja
160gheavy cream35%
Instructions
📅 Day -2
Hazelnut Dacquoise:
Whip egg whites until foamy. Gradually add granulated sugar and beat to stiff peaks.
Gently fold in hazelnut powder and powdered sugar.
Pipe into a 24 × 10 cm rectangle mold or frame.
Bake at 180°C for 15–20 minutes. Let cool.
Gianduja Cremeux:
Melt the Gianduja gently.
Heat milk and dissolve the rehydrated gelatin in it.
Pour over the melted Gianduja and stir until smooth.
Add cold cream and mix to combine.
Pour over the baked dacquoise (still in the frame) and refrigerate for 1 hour.
Praline Insert:
Remove the dacquoise + crémeux from the fridge.
Cut into two strips (5 × 24 cm).
Pipe praliné over one of the crémeux layers.
Freeze for 1 hour.
Stack the two strips to form: dacquoise / crémeux / praliné / crémeux / dacquoise.
Wrap and freeze overnight.
Milk Chocolate Mirror Glaze:
Heat sugar, glucose, and water to 103°C.
Pour over condensed milk and add softened gelatin.
Add chocolate and blend using an immersion blender.
Strain to remove bubbles and refrigerate overnight.
📅 Day -1
Praliné Crunch:
Melt milk chocolate. Mix with praliné and chopped hazelnuts.
Gently fold in crushed crêpes dentelles.
Shape into a 4 × 24 cm rectangle and chill.
Gianduja Mousse:
Heat milk. In a separate bowl, mix yolks and sugar.
Pour hot milk over egg mixture while whisking, then cook to 84°C (crème anglaise).
Add gelatin, then pour over the Gianduja. Stir until smooth.
Let cool to 25°C.
Whip cream to soft peaks and fold gently into the Gianduja base.
Assembly:
Fill a silicone yule log mold halfway with mousse.
Insert the frozen dacquoise/crémeux/praliné block.
Cover with more mousse.
Finish with the praline crunch base.
Freeze overnight.
📅 Day 0
Finishing & Glazing:
Warm the mirror glaze to 30–35°C.
Unmold the frozen bûche and place on a rack.
Pour glaze evenly over the surface.
Decorate with toasted hazelnuts and gold leaf if desired.
Let thaw in the refrigerator for at least 6 hours before serving.