A French yule log for the daring bakers December challenge!

by Sunita on December 28, 2008

It’s that time of the month again…time to post the daring bakers challenge of the month.

This month’s challenge is brought to us by the adventurous Hilda from Saffron and Blueberry and Marion from Il en Faut Peu Pour Etre Heureux.They have chosen a French Yule Log by Flore from Florilege Gourmand

“SO, what is a French Yule Log you say and how is it different from the Yule Log we made last December if you were a member then? In France you can buy two kinds of Yule log, either the Genoise and Buttercream type that we made last December, or what is more commonly purchased which is a frozen Yule Log very reminiscent of an ice cream cake, only often it’s not made of ice cream but rather frozen mousse of some sort. In French this is called an entremets which is sometimes loosely translated in English as simply a cream dessert. This also means that this recipe is not holiday-specific, it is also just a scrumptious dessert recipe.”

And, oh my! What a challenge! With six componentsto be assembled into a whole, it did get my head spinning at first. After I read the challenge for the first time, I was desperately in need of some fresh air :-( I had made the yule log for last year’s December challenge, but this one was definitely different! But, then, the daring baker in me found it too hard to sit back and give up without a try. So, back I went to read the recipe again, and again, and again. This time, I realised that although there were quite a few components in the recipe, they were, not in themselves, hard to rustle up; though it would require a bit of time management. The recipes for each component were quite straightforward as well.

The following is the recipe we had to follow-

We have to make all the six components-

1)  Dacquoise Biscuit
2)  Mousse
3)  Ganache Insert
4)  Praline (Crisp) Insert
5)  Creme Brulee Insert
6)  Icing

The assembly will essentially be a Dacquoise Biscuit at the bottom, and the inserts inter-layered with mousse, with an icing finish.

Element #1 Dacquoise Biscuit (Almond Cake)

Preparation time: 10 mn + 15 mn for baking

Equipment: 2 mixing bowls, hand or stand mixer with whisk attachment, spatula, baking pan such as a 10”x15” jelly-roll pan, parchment paper

Note: You can use the Dacquoise for the bottom of your Yule Log only, or as bottom and top layers, or if using a Yule log mold (half-pipe) to line your entire mold with the biscuit. Take care to spread the Dacquoise accordingly. Try to bake the Dacquoise the same day you assemble the log to keep it as moist as possible.

2.8 oz (3/4cup + 1Tbsp / 80g) almond meal
1.75 oz (1/2 cup / 50g) confectioner’s sugar
2Tbsp (15g) all-purpose flour
3.5oz (100g / ~100ml) about 3 medium egg whites
1.75 oz (4 Tbsp / 50g) granulated sugar

How to-

1.    Finely mix the almond meal and the confectioner’s sugar. (If you have a mixer, you can use it by pulsing the ingredients together for no longer than 30 seconds).
2.    Sift the flour into the mix.
3.    Beat the eggs whites, gradually adding the granulated sugar until stiff.
4.    Pour the almond meal mixture into the egg whites and blend delicately with a spatula.
5.    Grease a piece of parchment paper and line your baking pan with it.
6.    Spread the batter on a piece of parchment paper to an area slightly larger than your desired shape (circle, long strip etc…) and to a height of 1/3 inches (8mm).
7.    Bake at 350°F (180°C) for approximately 15 minutes (depends on your oven), until golden. (It took me about 30 minutes to get the golden colour)
8.    Let cool and cut to the desired shape.

Element #2 Dark Chocolate Mousse

Preparation time: 20mn

Equipment: stand or hand mixer with whisk attachment, thermometer, double boiler or equivalent, spatula

Note: You will see that a Pate a Bombe is mentioned in this recipe. A Pate a Bombe is a term used for egg yolks beaten with a sugar syrup, then aerated. It is the base used for many mousse and buttercream recipes. It makes mousses and buttercreams more stable, particularly if they are to be frozen, so that they do not melt as quickly or collapse under the weight of heavier items such as the crème brulee insert.
In the Vanilla Mousse variation, pastry cream is made to the same effect.
In the Mango Mousse variation, Italian meringue is made to the same effect. Italian meringue is a simple syrup added to egg whites as they are beaten until stiff. It has the same consistency as Swiss meringue (thick and glossy) which we have used before in challenge recipes as a base for buttercream.
The Whipped Cream option contains no gelatin, so beware of how fast it may melt.
Gelatin is the gelifying agent in all of the following recipes, but if you would like to use agar-agar, here are the equivalencies: 8g powdered gelatin = 1 (0.25 oz) envelope powdered gelatin = 1 Tbsp powdered gelatin = 1 Tbsp Agar-Agar.
1 Tbsp. of agar-agar flakes is equal to 1 tsp. of agar-agar powder.

2.5 sheets gelatin or 5g / 1 + 1/4 tsp powdered gelatin
1.5 oz (3 Tbsp / 40g) granulated sugar
1 ½ tsp (10g) glucose or thick corn syrup
0.5 oz (15g) water
50g egg yolks (about 3 medium)
6.2 oz (175g) dark chocolate, coarsely chopped
1.5 cups (350g) heavy cream (35% fat content)

How to-
1.    Soften the gelatin in cold water. (If using powdered gelatin, follow the directions on the package.)
2.    Make a Pate a Bombe: Beat the egg yolks until very light in colour (approximately 5 minutes until almost white).
2a.  Cook the sugar, glucose syrup and water on medium heat for approximately 3 minutes (if you have a candy thermometer, the mixture should reach 244°F (118°C). If you do not have a candy thermometer, test the sugar temperature by dipping the tip of a knife into the syrup then into a bowl of ice water, if it forms a soft ball in the water then you have reached the correct temperature.
2b.  Add the sugar syrup to the beaten yolks carefully by pouring it into the mixture in a thin stream while continuing to beat the yolks. You can do this by hand but it’s easier to do this with an electric mixer.
2c.  Continue beating until cool (approximately 5 minutes). The batter should become thick and foamy.

3.    In a double boiler or equivalent, heat 2 tablespoons (30g) of cream to boiling. Add the chopped chocolate and stir until melted and smooth. Whip the rest of thecream till smooth.
5.    Pour the melted chocolate over the softened gelatin, mixing well. Let the gelatin and chocolate cool slightly and then stir in ½ cup (100g) of WHIPPED cream to temper. Add the Pate a Bombe.
6.    Add in the rest of the WHIPPED cream (220g) mixing gently with a spatula.

Element #3 Dark Chocolate Ganache Insert

Preparation time: 10mn

Equipment: pan, whisk. If you have plunging mixer (a vertical hand mixer used to make soups and other liquids), it comes in handy.

Note: Because the ganache hardens as it cools, you should make it right before you intend to use it to facilitate piping it onto the log during assembly. Please be careful when caramelizing the sugar and then adding the cream. It may splatter and boil.

1.75 oz (4 Tbsp / 50g) granulated sugar
4.5oz (2/3 cup – 1 Tbsp/ 135g) heavy cream    (35% fat content)
5 oz (135g) dark chocolate, finely chopped
3Tbsp + 1/2tsp (45g) unsalted butter softened

How to-
1.    Make a caramel: Using the dry method, melt the sugar by spreading it in an even layer in a small saucepan with high sides. Heat over medium-high heat, watching it carefully as the sugar begins to melt. Never stir the mixture. As the sugar starts to melt, swirl the pan occasionally to allow the sugar to melt evenly. Cook to dark amber color (for most of you that means darker than last month’s challenge).
2.    While the sugar is melting, heat the cream until boiling.  Pour cream into the caramel and stir thoroughly. Be very careful as it may splatter and boil.
3.    Pour the hot caramel-milk mixture over the dark chocolate. Wait 30 seconds and stir until smooth.
4.    Add the softened butter and whip hard and fast (if you have a plunging mixer use it). The chocolate should be smooth and shiny.

Element #4 Praline Feuillete (Crisp) Insert

Ingredients for the Praline Feuillete:
3.5 oz (100g) milk chocolate   (I used dark chocolate)
1 2/3 Tbsp (25g) butter
2 Tbsp (1 oz / 30g) praline( I made my own peanut praline)
2.1oz (60g) lace crepes(gavottes) or rice krispies or corn flakes or Special K  ( I used puffed rice/moori)

How to-
1.    Melt the chocolate and butter in a double boiler.
2.    Add the praline and the puffed rice. Mix quickly to thoroughly coat with the chocolate.
3.    Spread between two sheets of wax paper to a size slightly larger than your desired shape. Refrigerate until hard.

Element #5 Vanilla Crème Brulée Insert

Preparation time: 15mn + 1h infusing + 1h baking

Equipment: Small saucepan, mixing bowl, baking mold, wax paper

Note: The vanilla crème brulée can be flavored differently by simply replacing the vanilla with something else e.g. cardamom, lavender, etc…

1/2 cup (115g) heavy cream (35% fat content)
½ cup (115g) whole milk
4 medium-sized (72g) egg yolks
0.75 oz (2 Tbsp / 25g) granulated sugar
1 vanilla bean

How to-

1.    Heat the milk, cream, and scraped vanilla bean to just boiling. Remove from the stove and let the vanilla infuse for about 1 hour.
2.    Whisk together the sugar and egg yolks (but do not beat until white).
3.    Pour the vanilla-infused milk over the sugar/yolk mixture. Mix well.
4.    Wipe with a very wet cloth and then cover your baking mold (whatever shape is going to fit on the inside of your Yule log/cake) with parchment paper. Pour the cream into the mold and bake at 210°F (100°C -I baked at 130 deg C) for about 1 hour or until firm on the edges and slightly wobbly in the center.

I also used a water bath during baking.

Element #6 Dark Chocolate Icing

Preparation time: 25 minutes (10mn if you don’t count softening the gelatin)

Equipment: Small bowl, small saucepan

Note: Because the icing gelifies quickly, you should make it at the last minute.
For other gelatin equivalencies or gelatin to agar-agar equivalencies, look at the notes for the mousse component.

Ingredients:( I made double the following amount)
4g / ½ Tbsp powdered gelatin or 2 sheets gelatin
¼ cup (60g) heavy cream (35 % fat content)
2.1 oz (5 Tbsp / 60g) granulated sugar
¼ cup (50g) water

How to-

1/3 cup (30g) unsweetened cocoa powder( I also added a little dark chocolate)

1.    Soften the gelatin in cold water for 15 minutes.
2.    Boil the rest of the ingredients and cook an additional 3 minutes after boiling.
3.    Add gelatin to the chocolate mixture. Mix well.
4.    Let cool while checking the texture regularly. As soon as the mixture is smooth and coats a spoon well (it is starting to gelify), use immediately.

Assembling the french yule log-

assembly UPSIDE DOWN with TWO pieces of Dacquoise the order is:
1)  Dacquoise
2)  Mousse
3)  Creme Brulee Insert
4)  Mousse
5)  Praline/Crisp Insert
6)  Mousse
7)  Ganache Insert
8)  Dacquoise

Cut the Dacquoise into a shape fitting your mold and set it in there. If you are using an actual Yule mold which is in the shape of a half-pipe, you want the Dacquoise to cover the entire half-pipe portion of the mold.
1.  Pipe one third of the Mousse component on the Dacquoise.
2. Take the Creme Brulee Insert out of the freezer at the last minute and set on top of the mousse. Press down gently to slightly ensconce it in the mousse.
3.  Pipe second third of the Mousse component around and on top of the Creme Brulee Insert.
4.  Cut the Praline/Crisp Insert to a size slightly smaller than your mold so that it can be surrounded by mousse. Lay it on top of the mousse you just piped into the mold.
5.  Pipe the last third of the Mousse component on top of the Praline Insert.
6. Freeze for a few hours to set. Take out of the freezer.
7.  Pipe the Ganache Insert onto the frozen mousse leaving a slight eidge so that ganache doesn’t seep out when you set the Dacquoise on top.
8.  Close with the last strip of Dacquoise.
Freeze until the next day.

Unmold the cake/log/whatever and set on a wire rack over a shallow pan.
Cover the cake with the icing.
Let set. Return to the freezer.
You may decorate your cake however you wish. The decorations can be set in the icing after it sets but before you return the cake to the freezer or you may attach them on top using extra ganache or leftover mousse, etc…
Transfer to the refrigerator no longer than ½ hour before serving as it may start to melt quickly depending on the elements you chose.

What I did-

We were given the freedom tochoose a variety of flavourings for the challenge, but I stuck with the dark chocolate.

I started to make the log one afternoon and iced it the next moring.The order in which I made the elements is as follows..I have one extra element  as I made my own praline with peanuts. I assembled the log in my regular loaf pan. The following order helped me manage my time quite well-

  1. Creme brulee insert
  2. Praline**
  3. Praline (crisp) insert( I used puffed rice)
  4. Mousse
  5. Dacquoise biscuit( I added two layers to the log…top and bottom)
  6. Ganache insert
  7. Icing

My dissected french yule log

**Praline recipe- from the july 08 challenge

1 cup (4 ½ oz.) Hazelnuts, toasted/skinless  (I used peanuts and did not skin them.)
2/3 cup Sugar
Line a jelly roll pan with parchment and lightly butter.

Put the sugar in a heavy 10-inch skillet.  Heat on low flame for about 18-22 min until the sugar melts around the edges. Do not stir the sugar. Swirl the pan if necessary to prevent the melted sugar from burning. Brush the sides of the pan with water to remove sugar crystals.  If the sugar in the center does not melt, stir briefly. When the sugar is completely melted and caramel in color, remove from heat. Stir in the nuts with a wooden spoon and separate the clusters. Return to low heat and stir to coat the nuts on all sides.  Cook until the mixture starts to bubble.  **Remember – extremely hot mixture.** Then onto the parchment lined sheet and spread as evenly as possible. As it cools, it will harden into brittle. Break the candied nuts into pieces and place them in the food processor.  Pulse into a medium-fine crunch or process until the brittle turns into a powder. To make paste, process for several minutes. Store in an airtight container and store in a cook dry place.  Do not refrigerate.

I did not add any lavish decorations to the log, as I felt it was rich enough and the slices with the layers were quite eye catching as well. I just sprinkled three lines of ground almonds , dotted with a few silver balls for some extra zing.

Did we like it?

You bet we did ! For a chocoholic like me, it was pure bliss. All the elements came together without a hitch, and as I cut the first slice, I jumped and pranced around gleefully to see the beautiful layers within. I was a bit apprehensive about the creme brulee insert. I had made it in the same loaf pan in which I asembled the final log. I thought it would be a bit too wide and the mousse woudn’t sit around it beautifully. But, thankfully, my fears were not realised and I did a little victory jump, much to the amusement of the rest of my family :-)

We loved the taste of the log as it was not overtly sweet…the brulee insert was a delight.

Will I make it again?

I am not sure whether I will make the log with all those elements very often, although Rengoni and Agastya have already started asking as to when I will be making it again! But, I am more than ready to repeat the individual elements in different avatars. Some ideas have already sprung to mind…time will tell:-)

All in all, I loved the challenge, as I did not face any hiccups, and the end product made the effort worthwhile. So thank you, Hilda and Marion, for this delightful and yummy challenge :-)

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{ 120 comments… read them below or add one }

1 mandira December 30, 2008 at 3:47 pm

that is a gorgeous picture sunita. I want that cake now… :)

happy new year to you and your family Sunita! Looking forward to many delicious posts in 2009


2 Sunita December 30, 2008 at 7:50 pm

Thanks dear Mandira…wish you were near to share a slice!

Happy new year to you and your family too :-)


3 Rupa Sengupta December 30, 2008 at 11:30 pm

Wow ! This looks absolutely gorgeous ! You are a truly daring baker !



4 Sunita December 31, 2008 at 10:08 am

Thank you Rupa :-)


5 JennyBakes December 31, 2008 at 4:37 am

After all the planning and work, I’m glad to hear you enjoyed it! Great job on this challenge.


6 Sunita December 31, 2008 at 10:07 am

Yes Jenny, I did enjoy it indeed! Thank you :-)


7 Natalie December 31, 2008 at 2:56 pm

Wow yours looks so good!! Very elegant,.


8 Sunita December 31, 2008 at 3:29 pm

Thanks Natalie


9 jillian December 31, 2008 at 4:00 pm

Yours looks fantastic and I LOVE your photos of it!


10 Sunita December 31, 2008 at 5:42 pm

Thanks Jillian :-)


11 Nicisme December 31, 2008 at 5:34 pm

That is the most beautiful yule log one could wish for!


12 Sunita December 31, 2008 at 5:44 pm

Thanks Nic…it was avery tasty challenge too :-)


13 Laura Rebecca December 31, 2008 at 10:28 pm

Your yule log is breathtaking! What a lovely job you did!


14 Sunita December 31, 2008 at 10:56 pm

Thanks Laura :-)


15 breadchick January 1, 2009 at 5:52 am

Sunita, this is my first visit to your new site and I absolutely love it!

Your log is also just divine.

Happy New Year.


16 Sunita January 1, 2009 at 8:03 am

Welcome to my world…glad you like it :-)


17 Cashew January 6, 2009 at 6:11 pm

Simply Divine!!


18 Sunita January 6, 2009 at 9:13 pm

Thank you cashew :-)


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