Chocolate continues to be one of the stars of baking due to its flavor, texture, and color, which can transform a simple recipe into an exquisite treat. Today, we propose a chocolate sponge cake filled with mousse that will delight both adults and children. It’s recommended to prepare it early...

Ingredients
Sponge Cake
- eggs10
- Granulated sugar400g
- Flour320g
- Unsweetened cocoa powder80g
Mousse
- Butter90g
- Dark chocolate240g
- Fresh cream120mL
- Sugar4tbsp
- eggs4
Nutrition (per serving)
Calories
485.3kcal (24.27%)
Protein
4.7g (9.3%)
Carbs
45.6g (16.59%)
Sugars
39.2g (78.4%)
Healthy Fat
9.7g
Unhealthy Fat
18.6g
% Daily Value based on a 2000 calorie diet
How to make Chocolate Sponge Cake Filled with Mousse
Sponge Cake
- Step 1
In a bowl, combine the eggs and sugar, beating until you achieve a smooth and homogeneous cream.
- Step 2
In another bowl, sift the flour together with the cocoa powder and set aside.
- Step 3
Gradually incorporate the sifted flour and cocoa mixture into the egg and sugar batter, using gentle folding motions.
- Step 4
Pour the batter into a 28 cm (11-inch) diameter cake pan that has been greased and floured, and line the base with parchment paper.
- Step 5
Bake in a preheated oven at 180°C (350°F) for about 30 minutes.
- Step 6
Remove from the oven and allow the cake to cool in the pan before unmolding.
Mousse
- Step 1
Melt the chopped chocolate and butter in a double boiler (bain-marie).
- Step 2
Remove from heat and let the mixture cool slightly.
- Step 3
Gradually add the fresh cream and egg yolks, one at a time, mixing well after each addition.
- Step 4
Finally, fold in the egg whites that have been whipped to stiff peaks.
- Step 5
Gently mix everything to keep the mousse light and airy.
- Step 6
Refrigerate the mousse for at least two hours.
Assembly
- Step 1
Slice the sponge cake into layers and fill it with the chocolate mousse, reserving some mousse for decoration.
Presentation
- Step 1
Spread the remaining chocolate mousse over the cake and decorate with chocolate curls.
Nutrition (per serving)
Nutrition (per serving)
Calories
485.3kcal (24.27%)
Protein
4.7g (9.3%)
Carbs
45.6g (16.59%)
Sugars
39.2g (78.4%)
Healthy Fat
9.7g
Unhealthy Fat
18.6g
% Daily Value based on a 2000 calorie diet
Tips & Tricks
Prepare the cake early in the day and let it sit in the refrigerator all day to enhance the flavors.
Serve the cake cold, accompanied by whipped cream for an extra touch of indulgence.
Use a serrated knife to slice the sponge cake into layers for a cleaner cut.
Ensure the egg whites are whipped to stiff peaks to maintain the mousse's airy texture.
Decorate with chocolate curls or shavings for a professional-looking finish.
FAQS
Can I use milk chocolate instead of dark chocolate for the mousse?
Yes, you can use milk chocolate, but it will result in a sweeter mousse. Adjust the sugar quantity if needed.
How long should I refrigerate the cake before serving?
It is recommended to refrigerate the cake for at least 6-8 hours to allow the flavors to meld and the mousse to set.
Can I make the sponge cake and mousse ahead of time?
Yes, you can prepare both components a day in advance and assemble the cake closer to serving time.
What is the best way to store leftovers?
Store leftovers in an airtight container in the refrigerator for up to 3 days.
Can I freeze the cake for later use?
Yes, you can freeze the assembled cake. Wrap it tightly in plastic wrap and store in the freezer for up to 1 month. Thaw in the refrigerator before serving.
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