Walnut Caramel Mirror Cake

Walnut Caramel Mirror Cake

Watch the video for this recipe:

I have always loved the combination between caramel walnuts and chocolate and here we are with an elegant dessert with a caramel mirror glaze perfect for upcoming Easter holiday.  Walnut cake at the bottom, followed by a semisweet chocolate layer, caramelized toasted nuts cream and a mascarpone and coffee mousse on top. Everything coated with a caramel mirror glaze and decorated with a chocolate golden flower for o more elegant look.

 

I know it seems complicated, but it actually works quite fast and each step is easy to prepare. It is best to start preparing this cake a day or two in advance as it requires freezing time.

This Walnut and Caramel Mirror Cake definitely worth all the effort and is by far one of the most delicious cakes I've ever made. Enjoy!

 

Related Posts:

Strawberry Chocolate Mirror Cake

Orange Chocolate Mousse Domes
Chocolate Caramel Poke Cake

 

 

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Ingredients
  • Makes about 16 servings
  • Walnut Cake
  • 2 egg whites
  • Pinch of salt
  • 1/3 cup (70g) sugar
  • 2/3 cup (70g) walnuts, ground
  • 2 tbsp (20g) all-purpose flour
  • Chocolate Layer
  • 5.5 oz (150g) semisweet chocolate
  • 3 tbsp (45ml) whipping cream
  • Walnut Caramel Layer
  • 1/3 cup (70g) sugar, for caramel
  • 1 tbsp (15ml) water
  • 2/3 cup (70g) walnuts, toasted, cut into smaller peices
  • 5 tbsp (70g) butter
  • 2 egg yolks
  • 3 tbsp (45g) sugar, for mixing with yolks
  • pinch of salt
  • Mascarpone Mousse
  • 16 0z (500g) mascarpone, room temperature
  • 2/3 cup (80g) powdered sugar
  • 1 1/2 cup (360g) whipping cream (35% fat), chilled
  • 1 tbsp (10g) gelatin powder
  • 1/4 cup (60ml) cold water
  • 2 tsp (4g) instant coffee
  • 1 tsp (5g) vanilla extract
  • Caramel Mirror Glaze
  • 1 cup (200g) sugar
  • 1 tbsp (15ml) lemon juice or water
  • 3.5 fl oz (100ml) water
  • 3/4 cup (180ml) whipping cream
  • 1/2 tsp (3g) salt
  • 2 tbsp (16g) cornstarch
  • 1 tbsp (15ml) water, for mixing with cornstarch
  • 1 tbsp (10g) gelatin powder
  • 1/4 cup (60ml) cold water, for dissolving gelatin
  • Chocolate Flower
  • 2.5 oz (70g) semisweet chocolate, for melting
  • 1 oz (30g) semisweet chocolate, for tempering
  • golden powder, optional
  • chopped walnuts
Directions
  1. Prepare walnut cake. Preheat oven to 325F (160C). Grease and line with parchment paper a 8 ½ inch (21cm) pan.
  2. Separate egg whites from the yolks. Add a pinch of salt over the whites and start mixing until foamy. Gradually add sugar and mix until stiff peaks form.
  3. Gently fold in ground walnuts and flour. Pour the batter into the prepared pan and bake for 25-30 minutes.
  4. Let it cool completely and use a 8 inch (20cm) cake ring to cut the edges of the cake. Transfer the cake into a 8 inch (20cm) springform pan, lined with parchment paper.
  5. Prepare the chocolate layer. Place the chocolate and cream into a heatproof bowl and melt over bain-marie. Spread the melted chocolate evenly over the walnut cake and refrigerate to set.
  6. Meanwhile prepare the caramel walnut layer. Toast the walnuts in a pan stirring constantly. When cooled enough cut in smaller pieces.
  7. In a small bowl mix the yolks with the 3 tbsp (45g) of sugar until creamy and light yellow colored.
  8. Place the 1/3 cup (70g) sugar with water into a saucepan. Place over medium-low heat until sugar dissolves and gets a caramel color.
  9. Add butter, stir until melted and then add walnuts and salt. Add mixed yolks and continue mixing just until it thickens, up to 1 minute. Don’t overcook  Cool slightly.
  10. Spread the walnut caramel layer over the chocolate and refrigerate until the mascarpone mousse is prepared.
  11. Prepare mascarpone mousse.  Dissolve gelatin in cold water, add instant coffee and let it swell for about 5 to 10 minutes.
  12. In a large bowl mix mascarpone until smooth. Add powdered sugar and mix to combine. Add vanilla extract.  Place the gelatin over low heat just until the gelatin dissolves and pour it over the mascarpone mixture and mix to combine.
  13. In another bowl mix cream until stiff peaks form. Gently fold the cream into mascarpone mixture.
  14. Place the walnut cake in the center of a 9 inch (23cm) parchment paper lined pan or cakeware from Delicake, as I’ve used. 
  15. Spread the mousse on top and edges of the cake. Cover and freeze for at least 4 hours or overnight.
  16. Prepare caramel mirror glaze.  Dissolve gelatin in 1/4 cup cold water and let it swell for about 5 to 10 minutes.
  17. In a small bowl dissolve cornstarch in 1 tbsp water and set aside until ready to use.
  18. Place sugar and lemon juice in a saucepan. Place over medium low heat until sugar dissolves and gets a caramel color. Add water, cream, dissolved cornstarch and salt. Bring to a boil until thickens.
  19. Remove from heat, add gelatin and stir to combine.Sieve the glaze and let it cool to 85F (29C).
  20. Take the cake out of the freezer and use a hair dryer to defrost the edges. Remove the cake from the pan and place it over a rack or simply on a bowl placed over a parchment paper lined baking sheet to collect the excess.
  21. 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 chopped walnuts. Transfer the cake to a serving platter and refrigerate for several hours to defrost the cake and set the glaze.
  22. Prepare chocolate flower.   Use about  two 5x15 inch (12x38cm) hard paper pieces and curve. Melt the 2.5 oz (70g) semisweet chocolate over bain marie. Remove from heat and add 1 oz (30g) of chocolate for tempering.
  23. Brush the chocolate on parchment paper in shape of flower petals.  Make about seven or eight 4 inch (10cm) petals and  about 8 smaller 2 inch (4cm) petals. Place the parchment paper over the prepared curved hard paper and refrigerate the petals for about 10 minutes, remove and peel from the parchment paper.
  24. Assemble the flower. On a parchment paper add a pit of melted chocolate and arrange the large petals. Add more melted chocolate and arrange the smaller petals. Add melted chocolate in the center and add chopped nuts. Refrigerate the flower for at least 15 minutes before decorating the cake. Slightly brush golden powder on the leaves if desired. Enjoy.
Walnut Caramel Mirror Cake-1
Walnut Caramel Mirror Cake-2
Nutrition facts 1 Serving out of 16 - Calories:384, Fat:26.1g, Saturated Fat:13.2g, Carbohydrates:33.1g, Sugar:28.1g, Fiber:1.2g, Protein:8.6g , Cholesterol: 81mg, Sodium 148mg, Vitamin D 4mcg, Calcium 100mg, Iron 1mg, Potassium 155mg, daily percent values are based on a 2000 calorie diet
On March 23, 2018 at 08:59 am, Karly said...
This is absolutely gorgeous! Almost too perfect to eat!
On March 23, 2018 at 12:24 pm, Albert Bevia said...
This is one of the most beautiful cakes I have ever seen, loved the video of you making this masterpiece
On March 25, 2018 at 03:59 pm, Sue said...
The cake is so beautiful. I can only hope it looks a little bit like yours when I try to make. You are a master. Thanks for all the great recipes
On March 31, 2018 at 01:48 pm, Antoanella said...
Another great idea, most likely with a heavenly taste, as I love to pieces the combination of walnuts, espresso and caramel. I want to try it tomorrow for an anniversary. I noted that, in order for the mousse to set, freezing was necessary. May I ask, when ready, should the cake be kept in the fridge? Would the mousse and mirror glaze hold well? How long would it last? Thank you very much!
Re:

Hi Antoanella.

Yes, the cake can be kept in the fridge for 2-3 day.

On April 17, 2018 at 12:59 pm, Djamila said...
this cake looks so perfect and so delicious, I wanna try it, but we don't have mascarpone were I live, what can I use instead? and can I replace walnuts wth peanuts? thank's a lot
Re:

Hi Djamila.

You can use any other cream chesse instead of mascarpone and also can use walnuts.

On April 20, 2018 at 05:52 pm, Imane said...
This cake is out of this world. Thank you so much for all your recipe. I'm a big fan and love all your recipes. I would appreciate if you can help me and tell me what is the 9" pan you are using in this recipe please. Thank you in advance, With all my gratitude Imane
Re:

Hi Imane.

It's from Delicake Australia.https://www.delicake.com.au/shop-delicake-masters/

On April 26, 2018 at 08:08 am, Cherry said...
First saw in Youtube and cannot help to try it out. It's absolutely gorgeous, for both the looking and the taste! I love it and so do all my family and friends. Thank you so much for this great creation.
On June 13, 2018 at 04:29 am, vex 3 said...
wow, the cake is beautiful and looks delicious

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