Triple Chocolate Mousse Cake
If you’re a chocolate lover searching for the ultimate indulgence, look no further than this Triple Chocolate Mousse Cake. With three luscious layers—rich chocolate brownie, decadent dark chocolate, and white chocolate—stacked atop each other, this dessert is a decadent showstopper that’s as elegant as it is irresistible. Whether celebrating a special occasion or craving something extraordinary, this recipe delivers a smooth, velvety texture and deep chocolate flavor in every bite.

THE PERFECT FATHER’S DAY DESSERT

Father’s Day is about celebrating the strong, sweet, and dependable men in our lives—and what better way to do that than with a just as decadent and unforgettable dessert? This Triple Chocolate Mousse Cake is the perfect treat to show Dad how much he’s appreciated. Its bold, dark chocolate base, rich, decadent chocolate mousse layer, and smooth white chocolate topping strike the ideal balance between indulgent and refined. Whether your dad is a die-hard chocolate fan or enjoys a well-made dessert, this cake delivers the heartfelt, homemade touch that makes Father’s Day feel extraordinary.
How to Make Triple Chocolate Mousse Cake

When creating the perfect triple chocolate mousse cake, the key lies in selecting the best ingredients. Each component, from high-quality chocolate to fresh eggs and creamy butter, is crucial in achieving that rich and decadent flavor. Choosing the finest ingredients ensures that your triple chocolate mousse cake will stand out and impress your guests. My chocolate of choice is the Ghirardelli brand.
THE BROWNIE CRUST BOTTOM LAYER:






The chewy, gooey brownie bottom layer of a triple chocolate mousse cake is the decadent foundation that sets the stage for indulgence. Rich with deep cocoa flavor and a fudgy, melt-in-your-mouth texture, this base contrasts beautifully with the lightness of the mousse layers above. Its slightly crisp edges give way to a dense, moist center that clings lovingly to each bite, adding weight and substance to every forkful. Made with high-quality dark chocolate and just the right amount of butter and sugar, the brownie layer delivers an intense chocolate hit that anchors the dessert with satisfying depth and chew. It’s the perfect start to a multi-layered chocolate experience.
THE GOOEY BROWNIE INGREDIENTS LIST- full printable recipe below in the recipe card
- 6 tablespoons unsalted butter, cut into six pieces, plus extra for greasing the pan
- 7 ounces, chopped fine bittersweet chocolate (Ghirardelli Bittersweet)
- ¾ teaspoon instant espresso powder
- 1½ teaspoons vanilla extract
- 4 large eggs, separated
- pinch of salt
- 1/3 cup light brown sugar, packed
THE DARK CHOCOLATE BROWNIE INSTRUCTIONS
- Preheat oven to 325°F; spray a 9-inch springform pan with nonstick cooking spray.
- Melt butter, chocolate, and espresso powder in a large microwave-safe bowl for 30 seconds until melted and creamy when stirred (about 1 minute and 30 seconds).
- Whisk in vanilla and egg yolks; set aside.
- Mix the egg whites and salt using a whisk attachment until frothy, about 30 seconds.
- Add half of the brown sugar and beat until combined, about 15 seconds.
- Add remaining brown sugar and beat at high speed until soft peaks form when whisk is lifted, about 1 minute longer, scraping down the sides halfway through.
- Fold one-third of the beaten egg whites into the chocolate mixture using a whisk.
- Using a rubber spatula, fold in remaining egg whites until no white streaks remain.
- Carefully transfer batter to prepared spring form pan, gently smoothing top with offset spatula.
- Bake until the cake has risen, is firm around the edges, and the center has just set but is still soft, 13 to 18 minutes.
- Transfer the cake to a wire rack to cool completely for about 1 hour. (The Cake will collapse as it cools.) DO NOT REMOVE THE CAKE FROM THE PAN.
THE DARK CHOCOLATE MOUSSE MIDDLE LAYER:






The creamy dark chocolate mousse middle layer of a triple chocolate mousse cake is where richness and elegance collide. Silky and smooth, this luscious mousse delivers a bold yet balanced chocolate intensity that melts effortlessly on the tongue. Whipped to airy perfection and infused with velvety dark chocolate, it contrasts with the dense brownie base below, adding depth without heaviness. Each spoonful glides like a chocolate cloud, its bittersweet notes adding sophistication and a touch of mystery. It’s the heart of the dessert—indulgent, refined, and irresistibly smooth.
THE CREAMY DARK CHOCOLATE CENTER LAYER INGREDIENTS LIST– full printable recipe below in the recipe card
- 2 tablespoons cocoa powder (Ghirardelli)
- 5 tablespoons hot water
- 7 ounces, chopped fine bittersweet chocolate (Ghirardelli Bittersweet)
- 1½ cups cold heavy cream
- 1 tablespoon granulated sugar
- 1/8 teaspoon salt
DECADENT CHOCOLATE MIDDLE LAYER INSTRUCTIONS
- Combine cocoa powder and hot water in a small bowl; set aside.
- Melt chocolate in a large microwave-safe bowl in 30-second intervals for 1 minute and 30 seconds or until melted and smooth.
- Using the whisk attachment, beat the whipped cream, sugar, and salt on medium speed until the mixture thickens, about 30 seconds.
- Increase the speed to high and whip until soft peaks form when the whisk is lifted, for 15 to 60 seconds.
- Whisk the cocoa powder mixture into the melted chocolate until smooth.
- Using a whisk, fold one-third of the whipped cream into the chocolate mixture to lighten.
- Fold the remaining whipped cream using a rubber spatula until no white streaks remain.
- Spoon mousse into a springform pan over the cooled cake. Gently tap the pan on the counter three times to remove large air bubbles; gently smooth the top with an offset spatula.
- Wipe the inside edge of the pan with a damp cloth to remove any drips.
- Refrigerate the cake for at least 15 minutes while preparing the top layer.
FLUFFY WHITE CHOCOLATE TOP LAYER:





The fluffy white chocolate top layer of a triple chocolate mousse cake is the delicate, dreamy crown that completes this decadent dessert. Light as air and gently sweet, this mousse offers a soft, cloud-like texture that contrasts beautifully with the deeper, richer layers beneath. Its creamy white chocolate flavor brings a subtle vanilla warmth, adding a touch of brightness that lifts the entire cake. Each bite melts effortlessly, providing a luxurious finish that lingers with gentle sweetness. Visually stunning and texturally exquisite, the white chocolate layer is the final whisper of indulgence in this symphony of chocolate.
CREAMY WHITE CHOCOLATE MOUSSE LAYER INGREDIENTS LIST – full printable recipe below in the recipe card
- ¾ teaspoon powdered gelatin
- 1 tablespoon water
- 6 ounces white chocolate chips (Ghirardelli)
- 1½ cups cold heavy cream, divided
- garnish: shaved chocolate or cocoa powder, optional
FLUFFY WHITE CHOCOLATE TOP LAYER INSTRUCTIONS
- In a small bowl, sprinkle gelatin over water; let stand at least 5 minutes.
- Place white chocolate in a medium bowl.
- Heat half a cup of the cream (about 1 minute) in a small microwave-safe bowl; add the gelatin mixture and stir until fully dissolved.
- Pour the cream mixture over the white chocolate and whisk until the chocolate is melted and the mixture is smooth, about 30 seconds.
- Cool to room temperature, stirring occasionally, 5 to 6 minutes.
- Using the whisk attachment, whip the remaining one cup of cream at medium speed until the cream begins to thicken (about 30 seconds).
- Increase speed to high and whip until stiff peaks form when the whisk is lifted, 15 to 60 seconds. Using a spatula, fold one-third of the whipped cream into the white chocolate mixture to lighten.
- Using a rubber spatula, fold remaining whipped cream into white chocolate mixture until no white streaks remain.
- Spoon white chocolate mousse into the pan over the middle layer.
- Smooth top with offset spatula.
- Return cake to refrigerator and chill until set, at least 2½ hours.
- Garnish with chocolate curls or a sprinkle of cocoa powder.
How to Make Large Chocolate Curls
Presentation and serving are key aspects to consider when showcasing your triple chocolate mousse cake in the best possible way. Regarding presentation, think about how to make your dessert visually appealing – adding a dusting of cocoa powder, a drizzle of chocolate sauce, or a sprinkle of chocolate shavings on top. Serving your cake in individual slices on decorative plates can elevate the dining experience for your guests and make it feel even more special. Additionally, pairing your triple chocolate mousse cake with a scoop of vanilla ice cream or a dollop of whipped cream can enhance the flavors and create a delightful contrast. Remember, how you present and serve your dessert can make a big difference in how everyone at the table enjoys it.

Create your homemade cake topping with white or dark chocolate curls. Follow my simple steps and take your cake to the next level of elegance. The technique will also work with milk or dark chocolate. No piping bag or tips required to make a fancy cake….just chocolate curls! FOR THE EASY INSTRUCTIONS, CLICK HERE→HOW TO MAKE CHOCOLATE CURLS
HOW TO MAKE SMALL CHOCOLATE SHAVINGS OR CURLS
All you need is a chocolate bar and a good vegetable peeler.
- Hold the chocolate bar firmly.
- Use the vegetable peeler to scrape along the edge of the bar.
- Collect the shavings (curls) and use immediately or chill for later use.


WHY IS THERE ESPRESSO POWDER IN THE RECIPE?
Espresso powder is often added to chocolate recipes because it enhances and intensifies the chocolate flavor, not to make the final dish taste like coffee.
THE REASON WHY ADDING ESPRESSO POWDER TO CHOCOLATE WORKS:

- FLAVOR AMPLIFICATION: Espresso powder has a deep, roasted taste brings out chocolate’s rich, complex notes. Even a small amount (like ½ to 1 teaspoon) can make chocolate taste more intense.
- NO COFFEE FLAVOR (If used sparingly): When used in small amounts, espresso powder blends into the background. It won’t make your brownies or cake taste like coffee—it just makes the chocolate taste more “chocolatey.”
- BALANCES SWEETNESS: Espresso powder’s slight bitterness can offset overly sweet chocolate desserts, adding depth and preventing them from tasting one-note.
- USED IN BOTH BAKED AND NO-BAKE RECIPES: Brownies, Chocolate cakes, Chocolate frosting, Chocolate cookies, and Ganache.
If you don’t have espresso powder, instant coffee granules can be a substitute, though they’re not as finely ground or potent.
HOW TO SERVE AND STORE THE TRIPLE CHOCOLATE MOUSSE CAKE

Triple chocolate mousse cake is a versatile dessert that shines whether served chilled or frozen, each option offering a unique experience. Straight from the refrigerator, the layers are soft, creamy, and indulgently smooth, allowing the distinct textures—the fudgy brownie, silky dark chocolate mousse, and airy white chocolate top—to melt together in every bite. Alternatively, when served frozen, the cake transforms into a luxurious, ice cream-like treat with a firmer bite and a refreshing coolness that enhances the richness of the chocolate. The frozen version offers clean, defined layers and a more structured presentation, perfect for warm days or elegant plating. It’s a show-stopping dessert that delivers decadent satisfaction with every slice.
- REFRIGERATOR: Place the chocolate cake in an airtight cake container. Store it on a flat, stable shelf (not the fridge door) to maintain even temperature. Properly stored, the cake will stay fresh and delicious for up to 4–5 days.
- FREEZER: To store a triple chocolate mousse cake in the freezer, let it chill and fully set in the refrigerator for at least 4–6 hours. Once set, place the cake (or individual slices) in the freezer uncovered for 1–2 hours to firm it up—this helps prevent smudging when wrapping. After it’s firm, wrap the entire cake tightly in plastic wrap, followed by a layer of aluminum foil to protect against freezer burn. Place the wrapped cake in an airtight container or a large freezer-safe bag for protection. Label it with the date, and store it flat in the freezer. The cake can be frozen for up to 2 months. To serve, transfer the frozen cake to the refrigerator and let it thaw overnight for the best texture, or let individual slices sit at room temperature for about 30–45 minutes.
MORE CHOCOLATE DESSERT RECIPES

If you love the indulgent richness of triple chocolate mousse cake, you will surely enjoy a world of chocolate recipes. Try my Death by Chocolate 8-layer Dessert or rich Chocolate Wine Ganache Mini Tarts with gooey centers for something equally decadent but slightly simpler. Chocolate lovers might also delight in a layered Chocolate Buttermilk Layered Cake with a creamy milk chocolate buttercream frosting. Whether you prefer your chocolate dark and intense or light and creamy, there’s a dessert out there to satisfy every craving. CLICK HERE FOR THE FULL RECIPE COLLECTION→RECIPES USING CHOCOLATE



LATEST POSTS
A triple chocolate mousse cake is a symphony of textures and flavors, each layer building on the next to create the ultimate chocolate indulgence. It begins with a chewy, gooey brownie bottom layer—a rich, fudgy foundation with deep cocoa flavor. Slightly crisp at the edges and irresistibly dense at the center, it clings to each bite with a satisfying weight that grounds the dessert. Above it rests a creamy dark chocolate mousse layer, whipped to silky perfection and infused with intense dark chocolate. This smooth, airy middle brings a bittersweet depth that melts effortlessly on the tongue, offering an elegant contrast to the dense brownie base. Finally, the cake is crowned with a fluffy white chocolate mousse top layer, light as air and delicately sweet. Its subtle vanilla warmth and cloud-like texture add a bright, creamy finish that lifts the richness below. These three layers create a perfectly balanced dessert—decadent, sophisticated, and completely irresistible. Happy Baking!💗Sheryl


Triple Chocolate Mousse Cake
Ingredients
For the Bottom Layer:
- 6 tablespoons unsalted butter, cut into 6 pieces, plus extra for greasing pan
- 7 ounces, chopped fine bittersweet chocolate (Ghirardelli Bittersweet)
- ¾ teaspoon instant espresso powder
- 1½ teaspoons vanilla extract
- 4 large eggs, separated
- pinch of salt
- 1/3 cup light brown sugar, packed
For the Middle Layer:
- 2 tablespoons cocoa powder, (Ghirardelli)
- 5 tablespoons hot water
- 7 ounces, chopped fine bittersweet chocolate (Ghirardelli Bittersweet)
- 1½ cups cold heavy cream
- 1 tablespoon granulated sugar
- 1/8 teaspoon salt
For the Top Layer:
- ¾ teaspoon powdered gelatin
- 1 tablespoon water
- 6 ounces white chocolate chips (Ghirardelli)
- 1½ cups cold heavy cream, divided
- garnish: shaved chocolate or cocoa powder, optional
Instructions
For the Bottom Layer:
- Preheat oven to 325°; spray a 9-inch springform pan with nonstick cooking spray.
- Melt butter, chocolate, and espresso powder in a large microwave-safe bowl for 30 seconds at a time until melted and creamy when stirred ( a total of about 1 minute and 30 seconds).
- Whisk in vanilla and egg yolks; set aside.
- Mix the egg whites and salt using a whisk attachment until frothy, about 30 seconds.
- Add half of the brown sugar and beat until combined, about 15 seconds.
- Add remaining brown sugar and beat at high speed until soft peaks form when whisk is lifted, about 1 minute longer, scraping down the sides halfway through.
- Using a whisk, fold one-third of the beaten egg whites into the chocolate mixture.
- Using a rubber spatula, fold in remaining egg whites until no white streaks remain.
- Carefully transfer batter to prepared spring form pan, gently smoothing top with offset spatula.
- Bake until cake has risen, is firm around edges, and center has just set but is still soft, 13 to 18 minutes.
- Transfer the cake to a wire rack to cool completely for about 1 hour. (The Cake will collapse as it cools.) DO NOT REMOVE THE CAKE FROM THE PAN.
For the Middle Layer:
- Combine cocoa powder and hot water in a small bowl; set aside.
- Melt chocolate in a large microwave-safe bowl in 30-second intervals for 1 minute and 30 seconds or until melted and smooth.
- Using the whisk attachment, beat together the whipped cream, sugar, and salt on medium speed until the mixture begins to thicken, about 30 seconds.
- Increase the speed to high and whip until soft peaks form when the whisk is lifted, for 15 to 60 seconds.
- Whisk the cocoa powder mixture into the melted chocolate until smooth.
- Using a whisk, fold one-third of the whipped cream into the chocolate mixture to lighten.
- Fold the remaining whipped cream using a rubber spatula until no white streaks remain.
- Spoon mousse into a springform pan over the cooled cake. Gently tap the pan on the counter three times to remove any large air bubbles; gently smooth the top with an offset spatula.
- Wipe the inside edge of the pan with a damp cloth to remove any drips.
- Refrigerate the cake for at least 15 minutes while preparing the top layer.
For the Top Layer:
- In a small bowl, sprinkle gelatin over water; let stand at least 5 minutes.
- Place white chocolate in a medium bowl.
- Heat half a cup of the cream (about 1 minute) in a small microwave-safe bowl; add the gelatin mixture and stir until fully dissolved.
- Pour the cream mixture over the white chocolate and whisk until the chocolate is melted and the mixture is smooth, about 30 seconds.
- Cool to room temperature, stirring occasionally, 5 to 6 minutes.
- Using the whisk attachment, whip the remaining one cup of cream at medium speed until the cream begins to thicken (about 30 seconds).
- Increase speed to high and whip until stiff peaks form when the whisk is lifted, 15 to 60 seconds. Using a spatula, fold one-third of the whipped cream into the white chocolate mixture to lighten.
- Using a rubber spatula, fold remaining whipped cream into white chocolate mixture until no white streaks remain.
- Spoon white chocolate mousse into the pan over the middle layer.
- Smooth top with offset spatula.
- Return cake to refrigerator and chill until set, at least 2½ hours.
- Garnish with chocolate curls or a sprinkle of cocoa powder.
Notes
Create your homemade cake topping with white or dark chocolate curls. Follow my simple steps and take your cake to the next level of elegance. The technique will also work with milk or dark chocolate. No piping bag or tips required to make a fancy cake….just chocolate curls! FOR THE EASY INSTRUCTIONS CLICK HERE→HOW TO MAKE CHOCOLATE CURLS
HOW TO STORE THE CHOCOLATE MOUSSE CAKE:
- REFRIGERATOR: Place the chocolate cake in an airtight cake container. Store it on a flat, stable shelf (not the fridge door) to maintain even temperature. Properly stored, the cake will stay fresh and delicious for up to 4–5 days.
- FREEZER: To store a triple chocolate mousse cake in the freezer, let it chill and fully set in the refrigerator for at least 4–6 hours. Once set, place the cake (or individual slices) in the freezer uncovered for 1–2 hours to firm it up—this helps prevent smudging when wrapping. After it's firm, wrap the entire cake tightly in plastic wrap, followed by a layer of aluminum foil to protect against freezer burn. Place the wrapped cake in an airtight container or a large freezer-safe bag for added protection. Label it with the date, and store it flat in the freezer. The cake can be frozen for up to 2 months. To serve, transfer the frozen cake to the refrigerator and let it thaw overnight for the best texture, or let individual slices sit at room temperature for about 30–45 minutes.
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WOW!! This looks absolutely AMAZING!! Thanks for sharing 🙂
I’m stopping by from the Ginger Snap Craft party. I think your pictures are awesome! Needless to say the dessert looks richly divine! I would love to have you share it at the Rock ‘N Share!
I don’t wait what else to say other than, This looks so delicious!
Wow! This looks amazing. Cannot wait to try this recipe.
This looks so delicious! Wow! Why am I seeing this at almost 11:30 at night? lol. Coming over to visit Miz Helen’s. Feel free to stop by and link this up with my “Try a New Recipe Tuesday.” I’d love to have you join us. It’s open all week.
Is Sunday dinner a special occasion? I need to try it soon–it looks amazing!
oh my goodness… this looks dangerous. SO YUMMY! I’ll have to try it!
Oh My!! This looks so good! I pinned it for later…well maybe sooner than later! LOL I would love it if you could share this at Thrifty Thursday today! http://www.juliakendrick.com/2013/03/thrifty-thursday-blog-planner-and-linky.html
I hope you have a blessed day!
Julia
this looks wonderful~
Sheryl,
I always look forward to your desserts, they are always beautiful and delicious! Thank you so much for sharing this special recipe with Full Plate Thursday and enjoy your weekend.
Come Back Soon!
Miz Helen
Oh Yum! This looks amazing!
oh yes!!!! i’m not very good at baking but I am definitely going to give this a try. pinned!!
I would love it if you could share this on my link party – Serenity Saturday – which goes live tomorrow morning
Natasha @ http://www.serenityyou.com
Sooo yummyyyyyyy!!!!!!!! Thank you so much for the recipe, this looks soo great and decadent! Enjoy your weekend.
FABBY
oh yummy!!! Quick question, is there anything you would replace the espresso with, or can I just leave it out?
Hi Adelina,
You can totally leave it out. All it does is inhance the chocolate flavor. 🙂
Hello, thanks a lot for sharing the recipe. Can I leave gelatin out of the recipe? Or replace other ingredients with it? Thank you
Hi Sarah,
All I can say is try it. I think it will be fine but I can’t guarantee it. 🙂
This is the same recipe I made today from *The Complete America’s Test Kitchen TV Show Cookbook 2001/2014*. It’s a great recipe, and I’m sure you’d like to give them credit.
Ugh….you are so right Connie. I had the link there before and I must of forgot to add it when I changed over to my new recipe format. Thanks for catching that. I added the link. 🙂
Can this be made ahead and put in freezer?
Yes, Kara you can. 🙂
It looks delicious. Planning to make this coming weekend for a Valentine party. Can it be made a day ahead and kept in refrigerator?
That’s great Madhu. Lucky guests…..Yes, you can make this cake a day in advance.
Need to make this Saturday for Monday. Will it stay well refrigerated or do I need to freeze it?
Hi Debbi, I think it will be fine but just to be safe I would freeze it.
Awesome tx!! If I freeze it sat nite and put it in the fridge Monday noon should it have enough time to defrost?
Hi. How long can this cake be left at room temperature after over night refrigeration?
Hi Komal, My rule of thumb is no longer then 2 hours inside. I wouldn’t leave it outside at all (except for serving).
Can you freeze this cheesecake
Hi Caroline, I’ve never frozen this cake but if I had to guess I would say yes. Just like cheesecake can be frozen. I would think this Mousse Cake could too. Since the cake is not baked I would freeze it in the springform pan and then set in the the refrigerator the day before you want to serve it to thaw. For extra protection, cover with plastic wrap and then foil. ♥