Rating: 5.00
(1)

Chocolate Royal – Trianon

As a chocolate lover I simply fell in love with this elegant French dessert called Chocolate Royal or Trianon.

This Chocolate Royal – Trianon is consisting of a hazelnut and almond dacquoise topped with a crunchy praline, covered in chocolate mousse and a cocoa mirror glaze. What not to love about this? Pretty easy recipe to prepare at home but very impressive in look and flavor.

Really loved the crunchy praline which is made with a caramelized hazelnut and almond homemade paste mixed with crunchy paillete  and milk chocolate. You have to admit everything here sounds totally amazing.feuilletine

Hope you will give it a try, and let me know if you do. Enjoy!

Chocolate Royal - Trianon with Chocolate Glaze

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Chocolate Royal - Trianonn

Chocolate Royal - Trianon

5 from 1 vote
As a chocolate lover I simply fell in love with this elegant French dessert called Chocolate Royal or Trianon. A hazelnut and almond dacquoise topped with a crunchy praline, covered in chocolate mousse and a cocoa mirror glaze. What not to love about this?
Servings 10 servings
Prep Time 1 hr
Cook Time 20 mins
Total Time 1 hr 20 mins

Ingredients
  

Almond and hazelnut dacquoise

  • 1/3 cup (35g) ground hazelnuts
  • 1/3 cup (35g) ground almonds
  • 1/2 cup (60g) powdered sugar
  • 2 large egg whites (about 70g)
  • 2 tbsp (30g) sugar
  • 1 ½ tbsp (12g) cornstarch
  • 1/4 tsp (1g) salt

For Praline Paste

  • 1/2 cup (50g) whole hazelnuts
  • 1/2 cup (50g) whole almonds
  • 1/3 cup (70g) sugar
  • 1 tbsp (15ml) water
  • 1/4 tsp (1g) salt

For crunch

  • 1 cup (80g) Paillete Feuilletine or corn flakes
  • 1.5 oz (45g) milk chocolate , melted

Chocolate Mousse

  • 10 oz (300g) semi-sweet chocolate
  • 1 cup (240g) whipping cream
  • 1/2 tbsp (5g) gelatin powder
  • 2 tbsp (30ml) cold water
  • 1 ⅓ cup (320g) whipping cream (35% fat) , chilled

Cocoa mirror glaze

  • 1 tbsp +1/2 tsp (12g) gelatin powder
  • 1/4 cup (60 ml) water
  • 1 cup (200g) sugar
  • 1/2 cup (60g) cocoa powder
  • 1/2 cup (120g) whipping cream
  • 1/3 cup (80ml) water

Chocolate shards , optional

  • 1.5 oz (45g) semisweet chocolate
  • 0.5 oz (15g) semisweet chocolate , for tempering

Caramel Shards

  • 1/4 cup (25g) hazelnuts/almonds , toasted if desired and chopped
  • 1/4 cup (50g) sugar
  • 1 tbsp (15ml) water

Instructions
 

  • Prepare the almond and hazelnut dacquoise. Preheat oven to 400F (200C) and line a baking sheet with parchment paper. I’ve used a 12 inch (30cm) round sheet.
  • In a food processor blend ground almonds and hazelnuts with powdered sugar and cornstarch until well combined.
  • In a medium bowl whip whites with salt until foamy. Gradually add sugar and continue whipping until stiff peaks form. Gently incorporate the almond mixture.
  • Spread batter into the prepared pan.
  • Bake for 12 minutes until golden. Let cool completely.
  • Prepare Praline crunch. First prepare Praline Paste. Preheat oven to 300F (150C).
  • Place the nuts on a baking sheet and let them toast for 15 minutes.
  • Transfer the toasted nuts onto a clean kitchen towel and rub the nuts to remove as much skin as possible. Let them cool.
  • In a small saucepan heat sugar and water over medium high heat until turns golden brown. Stir in nuts to coat with the caramel and transfer the praline to a baking sheet to cool completely. Break the praline into smaller pieces.
  • Grind in a food processor until it gets into a thick paste, for about 10 minutes.
  • Transfer the praline paste into a bowl and stir in melted milk chocolate. In the end add paillete feuilletine and stir to combine.
  • Cut the almond and hazelnut dacquoise into a 7 inch (18 cm) square. Spread the praline crunch on top of it. Freeze until you prepare the chocolate mousse.
  • Prepare chocolate mousse. In a heat proof bowl add the semi-sweet chocolate and 1  cup (240g) whipping cream. Place the bowl over a saucepan with simmering water, over low heat, until all the chocolate is melted.
  • Meanwhile dissolve gelatin in cold water and let it swell for about 5 to 10 minutes. Dissolve gelatin over low heat, pour over the melted chocolate and stir to combine. Let the chocolate mixture cool completely at room temperature.
  • Whip the remaining 1 1/3 cup (320g) chilled whipping cream until soft peaks form. Add melted chocolate mixture and mix until well combined. Transfer mousse into a piping bag fitted with a large plain tip.
  • Assembly. Use a 8 inch ( 20 cm) square ring or a  mold as the one I’ve used from Delicake. Line with acetate sheet for easier removal.
  • Place the frozen dacquoise into the middle of the ring with crunchy praline on top. Pipe the chocolate mousse on sides and top. Smooth the top. Freeze for a couple of hours or overnight.
  • Prepare cocoa mirror glaze. Dissolve gelatin in ¼ cup (60ml) cold water and let it swell for about 5 to 10 minutes.
  • In a medium saucepan add sugar and cocoa powder. Stir to combine. Add ? cup (80ml) water and whipping cream, stir slightly to combine and place over medium heat. Bring to a boil and remove from heat.
  • Add bloomed gelatin into the hot cocoa mixture and stir until completely dissolved.
  • Sieve the glaze to remove any air bubbles and let cool to 95F (35C) before pouring over the frozen cake.
  • Take the cake out of the freezer and use a hair dryer to defrost slightly the edges. Remove the cake from the ring and place it over a rack or simply on a bowl placed over a parchment paper lined baking sheet to collect the excess.
  • Pour the glaze on top and edges of the cake. Use an offset spatula to remove the drips and decorate the bottom of the cake with paillete feuilletine.  Transfer the cake to a serving platter and refrigerate for 1-2 hours to defrost the cake and set the glaze.
  • Meanwhile prepare chocolate shards. Melt 1.5 oz (45g) semisweet chocolate over bain-marie. Remove from heat and add remaining chopped semisweet chocolate for tempering. Stir until melted.
  • Spread chocolate evenly into a thin layer on a parchment paper lined baking sheet. Sprinkle paillete feuilletine on top if desired and refrigerate until set. Break into shards and keep refrigerated until ready to use.
  • Prepare caramel shards: Spread chopped hazelnuts/almonds on a parchment paper lined baking sheet.
  • Place water and sugar into a small saucepan and cook over medium heat until sugar dissolves and gets a caramel dark color.
  • Pour the caramel over the chopped nuts and let it set.  Break into shards and keep refrigerated until ready to use.
  • Decorate the cake with chocolate and caramel shards and enjoy! Keep leftovers refrigerated.

Nutrition

Serving: 1gSugar: 57gCholesterol: 77mgCalories: 689kcalSaturated Fat: 20.6gFat: 41.3gProtein: 10.8gCarbohydrates: 76.6g
Calories: 689kcal
Course: Dessert
Cuisine: French
Keyword: chocolate mirror glaze, chocolate mousse, chocolate recipes, chocolate royal, cocoa mirror glaze, French chocolate dessert, French dessert, trianon
Nutrition facts 1 Serving out of 10 Calories: 689, Fat: 41.3g, Saturated fat: 20.6g, Unsaturated fat: , Carbohydrates: 76.6g, Sugar: 57g, Fiber: 4.1g, Protein: 10.8g, Cholesterol: 77mg, Sodium 138mg 6%, Vitamin D 0mcg 0%, Calcium 102mg 8%, Iron 3mg 15%, Potassium 393mg 8%, daily percent values are based on a 2000 calorie diet,

Did you make this recipe?

Please let me know how it turned out for you! Leave a comment below and tag @homecookingadventure on Instagram and hashtag it #homecookingadventure.

Join the Conversation

  1. Maria Author says:

    Well done!
    You are an amazing culinary!
    Greeting! Maria, Bulgaria, Sofia

  2. Bee Gianni Author says:

    Holy crow! I must make this soon. It is beautiful.

  3. Zouhair Author says:

    Gorgeous..awesome recipe..Pleased to follow you on Facebook..Twitter..instagram…but failed to follow you on your Mail because the Button is not responding..

  4. Martha Author says:

    Hi you are amazing!!!I have a question where you got it the square pan?

  5. khadija samy Author says:

    if i want to make white chocolate mirror instead of coco one
    what shout i do?

  6. maria Author says:

    Hi,
    where can I found the square ring?

  7. diya Author says:

    no words to describe…

  8. Alanna Author says:

    This cake is my boyfriends favorite from our local French bakery. Finally tackled making it on my own using this recipe today. Turned out amazing!! Thank you!

  9. Nathan Author says:

    Hello, can I make this in a 9″ inch round instead of a square? Just made your walnut cake and it came out okay, the flavors weren’t too strong.

    1. Ella-HomeCookingAdventure Author says:

      this might work better in an 8 inch round pan … to adjust for a 9 inch simply use the rule of three in maths to get the right amount for each ingredient

  10. Julia Author says:

    Hello! I love your mousse cake recipes, but noticed you sometimes use different mirror glazes for them; some use mirror glazes based on condensed milk and real chocolate bars, while others use cocoa powder and heavy cream. Why do you choose one type over another in different recipes? Is there one you prefer over the other?

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