This chocolate mousse cake has a pure, real chocolaty taste and it’s so decadent, like an expensive, good quality Swiss truffle.
All the chocolate lovers out there just skip this text and scroll down to the recipe! OK, just kidding… Before you read the recipe for this luscious pure chocolate mousse cake – torte, please hear me out for a moment…
These kind of cakes are also known as Torte, and I don’t know about you, but when I hear the word “torte” images of velvety, airy mousse and fluffy, moist sponge cake come to mind. If you haven’t tried this recipe, then this must be the next cake on your list. I can’t say enough about it. It’s decadent, rich, full of chocolate flavor, creamy, moist and highly addictive! It’s known to have turned some not chocolate fans into hardcore chocolate lovers. It also happens to be my every year birthday cake. Every year. No exceptions. And with my easy method for assembling, making the whole thing, will seem to you like a walk in the park!
I have to say that this is more of a European style cake, and its pure chocolate taste is the result of two main components.
First, there’s the chocolate sponge cake.
This type of cake is ideal for this recipe because sponge cakes, made only from eggs, sugar, flour, and cocoa, manage to be extra soft and airy. Like little chocolate clouds! Plus, they can absorb syrup really well, trapping it inside their tiny holes, without becoming soggy. In fact, this type of sponge cake demands syrup! So, this is the perfect platform for the chocolate mousse to be on 🙂
Ahh, the chocolate mousse…
This is the second main component. It’s made of good quality, real chocolate (approximately 55% cocoa) and cream (and no eggs!). You can think of it like whipped chocolate ganache… These are also the basic ingredients of some good truffles, only in different proportions. With the amount of cream being higher than the chocolate, this mousse balances between dense and fluffy. Three versions of this mousse are also used in my chocolate trilogy dessert, just in case you want to check it out.
And the chocolate ganache…
For an extra layer of chocolate and better presentation, a chocolate ganache is poured over this fabulous cake, and some chocolate meringues are crumbled on top of it.
About the experience of tasting it… As I’ve said, this cake is the epitome of a chocolate dream. At the first bite, you feel a chocolate explosion in your mouth. The velvety mousse starts melting and covering your taste buds making you happy. You start to believe that chocolate was indeed the food of the Mayan Gods. Then, the syrup with a hint of brandy and the ethereal sponge cake, elevate even more this heavenly taste and add some contrast and lightness to the whole experience, just enough to make you want more…
Serve this chocolate mousse cake on your birthday or after a special dinner (I’m thinking porcini mushroom risotto for a main, or a more summery vegetable orzotto with marinated cheese cubes)
It may seem that this recipe has a lot of steps but once you get the hang of it, you will really enjoy making it! Plus, you can make the sponge cake from the previous day. Since the mousse needs to chill for some hours, the thing that works best for me is to make the cake (and meringues) the previous night and make the mousse the morning of the day I want to serve it.
Some Notes:
With this cake, you don’t have to frost or spread anything with spatulas and piping bags. You just need a baking pan that you’ll bake the sponge cake and later use it as a mold. You can also use a springform pan.
Here’s the mold I made for a dark and white chocolate cake. Just trim the acetate sheets at the same height as the cake for easier unmolding! (See the recipe at the end for more details)
Similar Recipes:
If you like this chocolate torte, then you’ll probably also like this (easier) Mocha, caramel, and peanuts mousse cake!
Otherwise, if you just want the traditional two-layer cake with a simple buttercream frosting, you SHOULD try this fluffy pistachio cake with rosewater buttercream!!!
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- For the sponge cake
- 5 medium eggs (room temperature, not cold)
- ¾ cups minus 1 tablespoon (125 grams) sugar
- ¾ cup (100 grams) all-purpose flour
- 3 tablespoons (25 grams) cocoa
- ½ teaspoon baking powder
- ½ teaspoon salt
- For the syrup
- ½ cup sugar
- ¾ cups water
- 1 tablespoon brandy or Kahlua (optional, but please use it)
- For the mousse
- 12.35 oz (350 grams) chocolate, 55% cocoa
- 3 cups (720 grams) cream, 35% fat, very cold
- 1 tablespoon brandy
- 1 teaspoon vanilla
- 4 tablespoons light brown sugar
- For the ganache (optional)
- 5.3 oz (150 grams) chocolate, 55% cocoa
- ½ cup (120 grams) cream, 35% fat
- 1 teaspoon honey or corn syrup
- crushed chocolate meringues or cookies for decoration (optional)
- Make the sponge cake (you can do this up to 2 days ahead and keep refrigerated): Preheat your oven to 350°F (175°C) and line with baking paper and grease an 8 inch (20 cm diameter) cake pan.
- Sift together the flour, the cocoa, and the baking powder. Beat the eggs with the sugar and salt until they resemble like thick shaving foam. Fold the flour mixture into the egg mixture with gentle motions (guys, fold and not stir! Stirring will cause the mixture to deflate). Transfer the mixture into the pan and bake the cake for 45-50 minutes or until a tester comes out clean. Let it cool, level and cut into 3 layers. Refrigerate it for 1-2 hours or overnight, for easier cutting.
- Make the syrup (you can do this up to 2 days ahead): Heat the water and the sugar and boil for 1 minute. Remove from heat and let it cool. Add the brandy and set aside.
- Make the mousse (you can do this the previous day): In the microwaves or in a pot over very low heat, melt the chocolate, the sugar, and 1 cup of cream. When totally melted, add the vanilla and the brandy and let it cool for a while. Beat 2 cups of very cold cream until soft peaks form (don’t beat it to stiff peaks because the final mousse won’t be very well homogenized). With a spatula add the melted chocolate in two stages and fold gently.
- Line the pan/mold with two baking paper discs and the acetate strips (see notes below). Scoop one-third of the mousse in the lined pan and level with a spatula. Place one cake layer on top and brush with ¼ cup of the syrup. Repeat with the mousse, the cake, the syrup, and again with the rest of the mousse, the cake, and the syrup. Place in the fridge for at least 4-5 hours or overnight.
- Make the ganache: In the microwaves or in a double boiler melt the chocolate with the cream and the honey and let it cool until lukewarm but pourable.
- How to serve: invert the cake onto a cake stand/plate. Remove the pan and peel off the acetate/baking paper. Pour the ganache over the cake and help it spread with a spatula, if necessary. Decorate with crushed meringues (or cookies/wafers).
- Eat!
Cut 2 discs of baking paper the same size as your pan and place them both at the bottom of the pan (the 2 baking paper discs help with easier unmolding when the cake is cold).
Cut 1 strip of acetate 4½ inches (11 cm) high and 28 inches (70 cm) long. If your acetate is shorter you can cut 2 strips. Place it in the pan to make a mold with tall edges and secure it with some scotch tape or clips. Now you have a mold tall enough to fit your cake!!!
(If you can’t find acetate you can use strips of a sturdy paper along with strips of baking paper. Just line the sturdy paper inside the pan and repeat with the baking paper. Secure them with some clips. This way, the cake touches only the baking paper)
***If you don't want to use the acetate strips method, you can use a 10-inch springform baking pan. This will result in a wider and shorter cake. You will cut the sponge cake into two layers and divide the mouse into two layers also.
Add the meringues just before cutting the cake, to keep them extra crispy.
Keep refrigerated for up to 3-4 days.
This cake is best eaten slightly chilled.
Beautiful Makos!
This is a cake I Must make. My kind of cake, airy and creamy and just so European.
I fell in love with European desserts when my DH and I lived in Germany for 6 years.
And pretzels! North America doesn’t have a clue how to make a decent pretzel.
I’ve enjoyed your website (my first time) and have subscribed.
Thank you very much Charlie!
Your kind words mean a lot 🙂
This looks awesome! For the assembly, how high should the cake pan be if you add the 4.5 inches of acetate? I have a spring form pan I was thinking of using but I could see it getting ugly if the borders ended up being too high
Hi Lauren!
My cake pan is 2.5 inches high and 8 inches in diameter. I use the acetate strips inside the pan and when it’s chilled i peel them off. You can see how this is done in this video ( https://www.youtube.com/watch?v=ek8TD1H2s5Q ). Watch from 5:20 until 8:00. (Just make sure you follow my instructions afterwards, steps 14 and 15. You want to put the cream first and then the sponge, so after inverting it on a plate the layer of cream will be on top – hope this helps!)
If by any chance the borders are too high after assembling, just use some scissors to trim them.
If you have any other questions don’t hesitate to ask! Thanks!
Thank you that is so helpful!! I thought it may not be worth the risk to make but I’m going to do it for the holidays. If I have a spring form I was thinking of lining it still with acetate, then not inverting it and reversing the order of layers. That should be ok right?
Yes! That should be fine!