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Hazelnut and Chocolate Entremet

Chocolate and Hazelnut Entrement

A light and rich in flavor mousse cake with a smooth hazelnut mousse insert, a dark chocolate mousse, and a brownie for a base. The cake is covered in a delicious and yet beautiful chocolate glaze.
Prep Time 40 minutes
Total Time 11 hours
Course cake, Dessert
Cuisine French
Servings 14

Equipment

  • Silicone mold

Ingredients
  

Hazelnut Praline (Nut Butter)

  • 200 g Whole hazelnuts
  • 100 g White sugar
  • 30 ml Water 2tbsp
  • A pinch of salt

Creamy Hazelnut Mousse

  • 150 g Hazelnut pralin (Nut butter) You can alternatively use store bought nut butter of choice
  • 3 sheets Gelatine 7g
  • 5 g Powder sugar 2tbsp
  • 120 ml Heavy cream 1/2 cup

Brownie for 20*6 cm / 8*2.5 inches

  • 100 g Dark chocolate
  • 42 g Butter
  • 1 Egg
  • 27 g All-purpose flour
  • A pinch of salt
  • 2 tbsp Hazelnuts or nuts of choice

Chocolate Mousse

  • 200 g Dark chocolate you can use milk chocolate instead of the dark one or a combination of both if you prefer to
  • 60 ml Heavy cream For the ganache
  • 6 sheets Gelatine 14g
  • 550 ml Heavy cream 2.5 cups

Instructions
 

Hazelnut Praline (Nut Butter)

  • Cook the sugar with the water until the sugar turns into caramel, then add the Hazelnuts with a pinch of salt.
  • Keep stirring until the sugar melts again and covers the nuts.
  • Remove from the heat and place on a parchment paper or a silicon matt until it cools and hardens.
  • Use a food processor and process it until it turns into a nut butter texture.

Creamy Hazelnut Mousse

  • Soak the gelatine sheets in cold water.
  • Remove 150g from the nut butter and warm it either in the microwave or on a bain-marie.
  • Squeeze the gelatine sheets and add them to the hot hazelnut pralin till they melt and are well combined.
  • Whip the cold heavy cream with the powder sugar until it's stiff and airy but still soft.
  • Incorporate about a quarter of the whipped cream into the Hazelnut butter and gelatine mixture.
  • Add the mixture to the remaining whipped cream and gently fold it in.
  • Place the mousse in your silicon insert mold and freeze it for at least 6 hours before assembling the cake.

Brownie for the base

  • Preheat the oven to Melt the chocolate with the butter together
  • Add the sugar, the egg, salt, and flour and combine.
  • Spread the batter on a baking tin the size of your mold base then top with the nuts.
  • Bake the brownie for 10 minutes in an oven that was preheated to 105C / 302F.

Chocolate Mousse

  • Soak the gelatine sheets in cold water for 10 minutes.
  • Simmer the heavy cream, then squeeze the gelatine sheets and add them to the heavy cream to melt.
  • Pour the cream and gelatine mixture onto the chocolate and make sure to cover it. The chocolate should be in the chips form or chopped.
  • Allow it to sit for s few minutes then start stirring till the chocolate melts. If you still have pieces of chocolate, microwave for 20 seconds intervals until you have a smooth ganache.
  • Whip the cold cream until you have a light creamy texture.
  • Fold the ganache into the whipped cream gently and in 3 to 4 goes.

Entrement Assembly

  • Add half the chocolate mousse to the silicone mold
  • Remove the Hazelnut insert from the freezer, unmold it and place it on top of the chocolate mousse, then add the remaining mousse to cover it. You want the insert to be surrounded with the mousse and centered.
  • Add the brownie base and slightly press it to stick to the mousse, make sure the upper side of the brownie with the nuts goes on top of the mousse.
  • Freeze the entremet for 8 hours or overnight.
  • Unmold immediately after removing it from the freezer and decorate to taste.
  • Check the link to the chocolate mirror glaze.
  • Allow it to thaw for 2 hours in the refrigerator or 1 hour at room temperature.
Keyword chocolate, Entremet Cake, mousse cake