Triple Chocolate Mousse Cake

Discover the ultimate dessert experience with this Triple Chocolate Mousse Cake recipe, a decadent and surprisingly simple creation that will elevate any occasion. This guide breaks down how to craft this impressive cake, ensuring a rich, creamy, and utterly satisfying treat that’s perfect for chocolate lovers everywhere.

Key Ingredients for Triple Chocolate Mousse Cake

  • For the Chocolate Cake Base:

    • 1 ½ cups all-purpose flour
    • ¾ cup unsweetened cocoa powder
    • 1 ½ teaspoons baking soda
    • ¾ teaspoon baking powder
    • ¾ teaspoon salt
    • 1 ½ cups granulated sugar
    • 2 large eggs
    • ¾ cup milk (whole or 2%)
    • ¾ cup vegetable oil
    • 1 teaspoon vanilla extract
    • ¾ cup hot water or hot brewed coffee
  • For the Dark Chocolate Mousse:

    • 8 ounces bittersweet or dark chocolate (60-70% cocoa solids), finely chopped
    • 1 ½ cups heavy cream, divided
    • ¼ cup granulated sugar
    • 1 teaspoon vanilla extract
    • Pinch of salt
  • For the Milk Chocolate Mousse:

    • 6 ounces milk chocolate, finely chopped
    • ¾ cup heavy cream
    • 2 tablespoons granulated sugar
    • ½ teaspoon vanilla extract
  • For the White Chocolate Mousse:

    • 4 ounces white chocolate, finely chopped
    • ½ cup heavy cream
    • 1 tablespoon granulated sugar
  • For Garnish (Optional):

    • Chocolate shavings
    • Fresh berries (raspberries, strawberries)
    • Whipped cream

How to Make Triple Chocolate Mousse Cake

This Triple Chocolate Mousse Cake is your ticket to a sublime dessert that looks and tastes incredibly complex, yet is surprisingly achievable for home bakers. With a moist chocolate cake base and three layers of luxuriously smooth mousse – dark, milk, and white chocolate – this cake offers an unparalleled symphony of chocolatey delight. Preparation time is approximately 45 minutes active, with chilling time crucial for setting the mousse.

Step-by-Step Instructions

Prepare the Chocolate Cake Base:

  1. Preheat and Prep: Preheat your oven to 350°F (175°C). Grease and flour a 9-inch cake pan, or line the bottom with parchment paper.
  2. Combine Dry Ingredients: In a large bowl, whisk together the all-purpose flour, unsweetened cocoa powder, baking soda, baking powder, salt, and granulated sugar. Make sure there are no lumps of cocoa powder.
  3. Combine Wet Ingredients: In a separate medium bowl, whisk together the eggs, milk, vegetable oil, and vanilla extract until well combined.
  4. Combine Wet and Dry: Pour the wet ingredients into the dry ingredients and mix on low speed (or by hand) until just combined. Be careful not to overmix.
  5. Add Hot Liquid: Gradually add the hot water or hot brewed coffee to the batter while mixing on low speed. The batter will be thin; this is normal and contributes to the cake’s moisture.
  6. Bake: Pour the batter into the prepared cake pan and bake for 30-35 minutes, or until a wooden skewer inserted into the center comes out clean.
  7. Cool: Let the cake cool in the pan for 10-15 minutes before inverting it onto a wire rack to cool completely. Once fully cooled, you can trim off the domed top if desired to create a flatter surface for the mousse layers.

Prepare the Dark Chocolate Mousse:

  1. Melt Chocolate: Place the finely chopped dark chocolate in a heatproof bowl. In a small saucepan, heat ½ cup of the heavy cream over medium heat until it just begins to simmer (do not boil). Pour the hot cream over the chopped chocolate and let it sit for 5 minutes to melt. Gently whisk until smooth and completely melted.
  2. Cool Slightly: Allow the chocolate mixture to cool for about 10-15 minutes, stirring occasionally.
  3. Whip Cream: In a separate chilled bowl, whip the remaining 1 cup of heavy cream with the ¼ cup granulated sugar, vanilla extract, and pinch of salt until stiff peaks form.
  4. Fold: Gently fold about one-third of the whipped cream into the cooled chocolate mixture to lighten it. Then, carefully fold in the remaining whipped cream until just combined and no streaks remain. Be careful not to deflate the whipped cream.
  5. Refrigerate Cake: Place the cooled chocolate cake base into a 9-inch springform pan. Pour the dark chocolate mousse evenly over the cake and spread it to the edges. Chill the springform pan in the refrigerator for at least 1 hour, or until the dark chocolate mousse is set.

Prepare the Milk Chocolate Mousse:

  1. Melt Chocolate: Place the finely chopped milk chocolate in a heatproof bowl. Heat until it just begins to simmer. Pour the hot cream over the chopped chocolate and let it sit for 5 minutes. Whisk until smooth.
  2. Cool Slightly: Let the milk chocolate mixture cool for about 10-15 minutes.
  3. Whip Cream: In a chilled bowl, whip ¾ cup heavy cream with 2 tablespoons granulated sugar and ½ teaspoon vanilla extract until stiff peaks form.
  4. Fold: Gently fold one-third of the whipped cream into the cooled milk chocolate mixture, then fold in the remaining whipped cream until just combined.
  5. Layer: Once the dark chocolate mousse is set, pour the milk chocolate mousse evenly over it. Smooth the top and return the springform pan to the refrigerator for another 1-2 hours, or until set.

Prepare the White Chocolate Mousse:

  1. Melt Chocolate: Place the finely chopped white chocolate in a heatproof bowl. Heat until it just begins to simmer. Pour the hot cream over the chopped chocolate and let it sit for 5 minutes. Whisk until smooth and creamy.
  2. Cool Slightly: Let the white chocolate mixture cool for about 10-15 minutes.
  3. Whip Cream: In a chilled bowl, whip ½ cup heavy cream with 1 tablespoon granulated sugar until stiff peaks form.
  4. Fold: Gently fold one-third of the whipped cream into the cooled white chocolate mixture, then fold in the remaining whipped cream until just combined.
  5. Top: Once the milk chocolate mousse is set, pour the white chocolate mousse over it. Smooth the top and refrigerate for at least 4-6 hours, or preferably overnight, to allow all the mousse layers to fully set.

Assemble and Garnish:

  1. Release from Pan: Once fully set, carefully run a knife around the edge of the springform pan and then release the latch.
  2. Garnish: Decorate the top of the Triple Chocolate Mousse Cake with chocolate shavings, fresh berries, or a dollop of whipped cream, if desired.

Why You’ll Love This Triple Chocolate Mousse Cake

This Triple Chocolate Mousse Cake is a dream for any serious chocolate aficionado, boasting an unparalleled richness and velvety texture that simply melts in your mouth. Each layer offers a distinct chocolate experience – the deep intensity of dark, the comforting sweetness of milk, and the delicate creaminess of white – all harmoniously balanced against a tender chocolate cake base. Making this at home offers a significant cost saving compared to purchasing a similar, high-end dessert from a bakery, allowing you to enjoy gourmet indulgence without the hefty price tag. The sheer decadence of the three distinct chocolate mousses, complemented by the moist cake, makes this a truly show-stopping dessert that’s surprisingly straightforward to assemble.

And let’s be honest, who doesn’t love a dessert that looks as impressive as it tastes? Imagine the delighted gasps when you present this masterpiece at your next gathering! It’s a far cry from a simple chocolate cake, offering a complex flavor profile and elegant presentation that will leave your guests begging for the recipe. Don’t let the layers intimidate you; each component is quite simple to prepare, and the chilling time allows you to work at your own pace, making it perfect for weekend baking projects. So, ditch the store-bought options and bring this luxurious Triple Chocolate Mousse Cake into your kitchen – your taste buds will thank you!

Storing and Reheating Tips

Proper storage is key to maintaining the exquisite texture of your Triple Chocolate Mousse Cake.

  • Refrigeration: Store any leftover Triple Chocolate Mousse Cake in the springform pan with the sides removed, or transfer it to an airtight container. It will stay fresh in the refrigerator for up to 3-4 days. Ensure it’s well-covered to prevent it from absorbing other odors in the fridge.
  • Freezing: While mousse cakes are best enjoyed fresh, you can freeze individual slices wrapped tightly in plastic wrap and then aluminum foil. Freeze for up to 1-2 months. Thaw overnight in the refrigerator before serving. Do not freeze the entire cake if it’s already been sliced and handled extensively, as this can affect the mousse’s texture.
  • Reheating: This cake is best served chilled and does not require reheating. If you choose to reheat it (which is not recommended for optimal mousse texture), you would do so very gently by placing a slice in a very low oven for a few minutes, but this will likely compromise the mousse. It’s typically enjoyed cold.

Final Thoughts

This Triple Chocolate Mousse Cake is an absolute showstopper, offering an incredible depth of chocolate flavor and luxurious texture that’s perfect for any celebration or simply to treat yourself. Give this recipe a try, and prepare to be amazed by how easily you can create such an elegant and delicious dessert at home.

Triple Chocolate Mousse Cake

Triple Chocolate Mousse Cake

Discover the ultimate dessert experience with this Triple Chocolate Mousse Cake recipe, a decadent and surprisingly simple creation that will elevate any occasion. This guide breaks down how to craft this impressive cake, ensuring a rich, creamy, and utterly satisfying treat that’s perfect for chocolate lovers everywhere.
Prep Time 45 minutes
Cook Time 35 minutes
Chilling Time 5 hours
Total Time 7 hours
Servings: 12 slices
Course: CAKE, Dessert
Cuisine: American

Ingredients
  

Chocolate Cake Base
  • 1 ½ cups all-purpose flour
  • ¾ cup unsweetened cocoa powder
  • 1 ½ teaspoons baking soda
  • ¾ teaspoon baking powder
  • ¾ teaspoon salt
  • 1 ½ cups granulated sugar
  • 2 large eggs
  • ¾ cup milk (whole or 2%)
  • ¾ cup vegetable oil
  • 1 teaspoon vanilla extract
  • ¾ cup hot water or hot brewed coffee
Dark Chocolate Mousse
  • 8 ounces bittersweet or dark chocolate (60-70% cocoa solids) finely chopped
  • 1 ½ cups heavy cream, divided
  • ¼ cup granulated sugar
  • 1 teaspoon vanilla extract
  • Pinch salt
Milk Chocolate Mousse
  • 6 ounces milk chocolate finely chopped
  • ¾ cup heavy cream
  • 2 tablespoons granulated sugar
  • ½ teaspoon vanilla extract
White Chocolate Mousse
  • 4 ounces white chocolate finely chopped
  • ½ cup heavy cream
  • 1 tablespoon granulated sugar
Garnish (Optional)
  • chocolate shavings
  • fresh berries (raspberries, strawberries)
  • whipped cream

Equipment

  • 9-inch cake pan
  • 9-inch springform pan
  • Wire rack
  • Heatproof bowls
  • Saucepan
  • Chilled bowls
  • Whisk
  • Electric mixer

Method
 

  1. Preheat your oven to 350°F (175°C). Grease and flour a 9-inch cake pan, or line the bottom with parchment paper.
  2. In a large bowl, whisk together the all-purpose flour, unsweetened cocoa powder, baking soda, baking powder, salt, and granulated sugar. Make sure there are no lumps of cocoa powder.
    1 ½ cups all-purpose flour, ¾ cup unsweetened cocoa powder, 1 ½ teaspoons baking soda, ¾ teaspoon baking powder, ¾ teaspoon salt, 1 ½ cups granulated sugar
  3. In a separate medium bowl, whisk together the eggs, milk, vegetable oil, and vanilla extract until well combined.
    2 large eggs, ¾ cup milk (whole or 2%), ¾ cup vegetable oil, 1 teaspoon vanilla extract
  4. Pour the wet ingredients into the dry ingredients and mix on low speed (or by hand) until just combined. Be careful not to overmix.
  5. Gradually add the hot water or hot brewed coffee to the batter while mixing on low speed. The batter will be thin; this is normal and contributes to the cake’s moisture.
    ¾ cup hot water or hot brewed coffee
  6. Pour the batter into the prepared cake pan and bake for 30-35 minutes, or until a wooden skewer inserted into the center comes out clean.
  7. Let the cake cool in the pan for 10-15 minutes before inverting it onto a wire rack to cool completely. Once fully cooled, you can trim off the domed top if desired to create a flatter surface for the mousse layers.
  8. Place the finely chopped dark chocolate in a heatproof bowl. In a small saucepan, heat ½ cup of the heavy cream over medium heat until it just begins to simmer (do not boil). Pour the hot cream over the chopped chocolate and let it sit for 5 minutes to melt. Gently whisk until smooth and completely melted.
    8 ounces bittersweet or dark chocolate (60-70% cocoa solids), 1 ½ cups heavy cream, divided
  9. Allow the chocolate mixture to cool for about 10-15 minutes, stirring occasionally.
  10. In a separate chilled bowl, whip the remaining 1 cup of heavy cream with the ¼ cup granulated sugar, vanilla extract, and pinch of salt until stiff peaks form.
    1 ½ cups heavy cream, divided, ¼ cup granulated sugar, 1 teaspoon vanilla extract, Pinch salt
  11. Gently fold about one-third of the whipped cream into the cooled chocolate mixture to lighten it. Then, carefully fold in the remaining whipped cream until just combined and no streaks remain. Be careful not to deflate the whipped cream.
  12. Place the cooled chocolate cake base into a 9-inch springform pan. Pour the dark chocolate mousse evenly over the cake and spread it to the edges. Chill the springform pan in the refrigerator for at least 1 hour, or until the dark chocolate mousse is set.
  13. Place the finely chopped milk chocolate in a heatproof bowl. Heat until it just begins to simmer. Pour the hot cream over the chopped chocolate and let it sit for 5 minutes. Whisk until smooth.
    6 ounces milk chocolate, ¾ cup heavy cream
  14. Let the milk chocolate mixture cool for about 10-15 minutes.
  15. In a chilled bowl, whip ¾ cup heavy cream with 2 tablespoons granulated sugar and ½ teaspoon vanilla extract until stiff peaks form.
    ¾ cup heavy cream, 2 tablespoons granulated sugar, ½ teaspoon vanilla extract
  16. Gently fold one-third of the whipped cream into the cooled milk chocolate mixture, then fold in the remaining whipped cream until just combined.
  17. Once the dark chocolate mousse is set, pour the milk chocolate mousse evenly over it. Smooth the top and return the springform pan to the refrigerator for another 1-2 hours, or until set.
  18. Place the finely chopped white chocolate in a heatproof bowl. Heat until it just begins to simmer. Pour the hot cream over the chopped chocolate and let it sit for 5 minutes. Whisk until smooth and creamy.
    4 ounces white chocolate, ½ cup heavy cream
  19. Let the white chocolate mixture cool for about 10-15 minutes.
  20. In a chilled bowl, whip ½ cup heavy cream with 1 tablespoon granulated sugar until stiff peaks form.
    ½ cup heavy cream, 1 tablespoon granulated sugar
  21. Gently fold one-third of the whipped cream into the cooled white chocolate mixture, then fold in the remaining whipped cream until just combined.
  22. Once the milk chocolate mousse is set, pour the white chocolate mousse over it. Smooth the top and refrigerate for at least 4-6 hours, or preferably overnight, to allow all the mousse layers to fully set.
  23. Once fully set, carefully run a knife around the edge of the springform pan and then release the latch.
  24. Decorate the top of the Triple Chocolate Mousse Cake with chocolate shavings, fresh berries, or a dollop of whipped cream, if desired.
    chocolate shavings, fresh berries (raspberries, strawberries), whipped cream

Notes

Store any leftover Triple Chocolate Mousse Cake in the springform pan with the sides removed, or transfer it to an airtight container. It will stay fresh in the refrigerator for up to 3-4 days.
This cake is best served chilled and does not require reheating.

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