
Guanaja, Pear and Cookie Yule Log
An original recipe from L'École Valrhona
Yield: Makes one log for 6 to 8 people
Difficulty: Medium
INGREDIENTS
CHOCOLATE AND WALNUT COOKIE BASE:
80g Butter
37g Muscovado sugar
35g Sugar
35g Eggs
0.8g Baking powder
43g Pastry flour
73g All-purpose flour
5g Cornstarch
0.8g Salt
73g Chopped walnuts
90g Guanaja 70% Dark Chocolate
PUFF PRALINÉ CRISP:
55g 50% almond & hazelnut nutty praliné
35g Guanaja 70% Dark Chocolate
45g Crispy wafer pieces
PEAR CONFIT:
300g Pear purée
30g Sugar
9g Pectin NH
GUANAJA 70% LIGHT MOUSSE:
250g Whole milk
500g Heavy cream 36%
340g Guanaja 70% Dark Chocolate
5g Gelatin sheet
GUANAJA 70% GLAZE:
75g Water
65g Sugar
150g Glucose syrup
90g Sweetened condensed milk
10g Gelatin sheet
150g Guanaja 70% Dark Chocolate
ASSEMBLY:
As needed Thin pear slices
INSTRUCTIONS
CHOCOLATE AND WALNUT COOKIE BASE:
- Preheat the oven to 410°F (210°C) using the traditional heat setting with the rack at the bottom of the oven.
- Beat the butter with the sugars.
- Then, add the eggs, whisking quickly to incorporate.
- In a separate bowl, combine the dry ingredients: flours, cornstarch, salt, and baking powder.
- Add the dry ingredients to the butter-sugar-egg mixture.
- Whisk until you obtain a homogeneous mixture, without working it too hard.
- Incorporate the chopped walnuts with an electric whisk.
- Chop the Guanaja 70% chocolate, then incorporate it.
- If necessary, stir again with a spatula so that the Guanaja 70% chocolate and walnuts are evenly distributed.
- Spread the cookie dough into a 1cm-thick rectangle so that it is slightly larger than the base of the Yule log mold.
- Bake for 8 to 10 minutes, remove from oven, and leave to cool on the tray.
PUFF PRALINÉ CRISP:
- Melt the Guanaja 70% chocolate in a bain-marie, then add the praliné and crispy wafer pieces.
- Cut the cooled cookie into a rectangle smaller than the log mold (if your mold is 25cm long by 8cm wide, cut it into a rectangle 24 × 7cm in diameter).
- Spread the crisp onto the cut-out cookie.
- Allow the cookie with the crisp spread over it to set in the freezer for 1 hour.
PEAR CONFIT:
- Pour the pear purée into a saucepan and warm over low heat.
- In a separate bowl, mix the sugar and pectin NH thoroughly.
- Once the purée reaches around 105°F (40°C), gently add the mixed sugar and pectin.
- Stir vigorously with a whisk until the mixture is smooth.
- Fill the silicon insert of your log with this confit and freeze for a minimum of 3 hours.
GUANAJA 70% LIGHT MOUSSE:
- Soak the gelatin in a large quantity of cold water for about twenty minutes.
- Melt the Guanaja 70% chocolate.
- Bring the milk to a boil and add the wrung-out gelatin.
- Pour approximately ⅓ of the hot liquid over the melted chocolate and mix using a spatula to obtain a smooth, elastic, and shiny texture, the sign that an emulsion is beginning to form.
- Add the remaining milk, taking care to maintain this texture.
- Use a hand mixer to whip the heavy cream into a frothy chantilly cream.
- When the chocolate mixture drops to a temperature of 85/95°F (30/35°C), gently add the frothy whipped cream using a spatula.
- Fill half of the Yule log mold with this mixture.
- Then, position the pear confit insert (previously turned out) and the upsidedown cookie (crisp side first, facing the bottom of the mold).
- Finish filling the Yule log mold with the remaining light mousse up to the top of the mold.
- Place in the freezer for a minimum of 3 hours.
GUANAJA 70% GLAZE:
- Soak the gelatin in a large quantity of cold water for about twenty minutes.
- Place the unmelted Guanaja 70% chocolate fèves, concentrated milk, and gelatin (which you have allowed to dry) into a mixing bowl.
- Bring the water, sugar, and glucose to a boil in a saucepan.
- Pour over the mixture in the mixing bowl.
- Mix using an immersion blender, taking care not to incorporate air (so as not to create bubbles in the glaze), and wait until the glaze has dropped back to 95°F (35°C) before using it.
ASSEMBLY:
- Remove the frozen Yule log from the mold.
- Transfer the Guanaja 70% glaze into a jug and evenly distribute it over the log positioned on a rack.
- Immediately remove the Yule log from the rack using a spatula and a small paring knife, and place it on your serving plate.
- Leave to defrost for at least 4 hours in the refrigerator.
- Wash the pears with clean water.
- Using a small paring knife, cut thin slices of pears that you have purposely chosen for their firmness.
- If you are not serving your Yule log immediately after decorating it with your pear segments, soak them for a few minutes in lemon water (cold water + a few drops of lemon juice) so that they do not go brown.
- Arrange the pear slices in staggered rows on top of your previously iced log.
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