Chocolate Raspberry Mousse Cake Recipe

The Chocolate Raspberry Mousse Cake is the ultimate dessert for special celebrations—or when you’re simply craving something irresistibly decadent! It’s a stunning showstopper that layers rich chocolate sponge with billowy, vibrant raspberry mousse, then tops it off with glossy chocolate shavings and tart, juicy berries. Every bite is a perfect balance of flavors and textures, making this cake as satisfying as it is beautiful.

Why You’ll Love This Recipe

  • Showstopping Looks: With its vibrant mousse layer and glossy chocolate finish, this cake always steals the spotlight at any gathering.
  • Dreamy Flavor Pairing: The bold richness of dark chocolate perfectly complements the bright, tangy notes of real raspberry, creating a harmony you’ll taste in every forkful.
  • Light and Luscious Texture: The airy mousse is truly melt-in-your-mouth, contrasting beautifully with the tender chocolate sponge beneath.
  • Make-Ahead Friendly: Get ahead by preparing this dessert a day before your event—so it’s ready to impress, stress-free!
Chocolate Raspberry Mousse Cake Recipe - Recipe Image

Ingredients You’ll Need

Every component of this Chocolate Raspberry Mousse Cake depends on a handful of carefully chosen ingredients—each one playing a starring role in building flavor, striking color, and that signature creamy texture that makes this dessert so unforgettable.

  • Large eggs: Whipping room-temperature eggs creates that light, aerated base for our chocolate sponge—don’t try to rush it!
  • Light brown & granulated sugar: This blend brings both caramel depth and classic sweetness to the cake layers.
  • Vanilla extract: Adds gentle warmth and aroma, enhancing both the sponge and the mousse.
  • Plain (all-purpose) flour: Keeps the cake base soft and tender—don’t forget to sift!
  • Cocoa powder: A little goes a long way to boost that pure chocolate flavor.
  • Baking powder & salt: Ensures your sponge stays light, with just the right lift and balance.
  • Espresso powder: Just a touch intensifies the chocolate, making flavors pop without a coffee taste.
  • Dark chocolate (75%): Choose a good-quality bar—your cake’s richness depends on it!
  • Powdered gelatine & lemon juice: Sets the mousse to a dreamy consistency and adds lift to the fruit flavor.
  • Fresh raspberries: Plump, juicy raspberries make that mousse absolutely sing (use frozen if needed; just thaw and drain).
  • Granulated sugar (for the mousse): Gently sweetens the fruit without overwhelming its tartness.
  • Cold double (heavy) cream: Whips into cloud-like peaks that fold into raspberry puree for ultimate lusciousness.
  • Fresh raspberries & dark chocolate shavings (for decoration): Not just pretty—these make the final bite irresistible!
Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Variations

One of the joys of this Chocolate Raspberry Mousse Cake is how easy it is to adapt—whether you’re catering to a certain diet or just want to change up the flavors, you have plenty of delicious options at your fingertips.

  • Swap in white or milk chocolate: Use a creamy white or milk chocolate for a sweeter, lighter take on the classic.
  • Gluten-free option: Substitute your favorite 1:1 gluten-free flour blend for the plain flour—so everyone can have a slice!
  • Berry swap: Try making the mousse with blackberries or strawberries for a whole new twist on fruit flavor.
  • Dairy-free version: Full-fat coconut cream can replace heavy cream for a luscious, non-dairy treat.

How to Make Chocolate Raspberry Mousse Cake

Step 1: Prepare the Chocolate Sponge

Start by preheating your oven to 180°C (350°F) and lining a 23cm (9-inch) springform pan with parchment. Grease it well, including all around the sides, to guarantee a flawless release. Grab a mixing bowl and whip the eggs, both sugars, and vanilla until they’re thick, pale, and leave visible trails—this airiness is the secret to that tender crumb!

Step 2: Add the Dry Ingredients and Melted Chocolate

Sift together the flour, cocoa, baking powder, espresso powder, and salt, then gently fold them into the egg mixture—keep it delicate so you don’t knock out all that precious air. Once just a few streaks of flour remain, gently swirl in the melted dark chocolate, scraping the bowl with a spatula to ensure everything is perfectly combined.

Step 3: Bake the Sponge Layer

Pour the batter into your prepared pan and tap it firmly on the counter a few times to coax out air bubbles. Smooth the top with an offset spatula if needed, then bake for 15–20 minutes. You’ll know it’s done when the center springs back to a gentle touch. Let the sponge cool completely, then use the bottom of a glass to gently press down any wrinkles for a perfectly even base.

Step 4: Make the Raspberry Mousse

Bloom your gelatin in a splash of lemon juice for a few minutes, then blend the raspberries into a smooth puree. Push the puree through a sieve to ditch those pesky seeds (hello, silky mousse!). Warm the puree with sugar, gently melt in the gelatin, then let the mixture cool completely. Meanwhile, whip cold cream into soft, billowy peaks and gently fold in the raspberry puree in thirds—this keeps your mousse light as air.

Step 5: Assemble and Chill

Pour the raspberry mousse over your cooled chocolate sponge, smoothing the top to bakery-level perfection. Cover the cake and refrigerate for at least 3 hours or (even better!) overnight—the mousse needs time to set to that signature creamy-yet-sliceable consistency.

Step 6: Decorate and Serve

When you’re ready to dazzle, gently unmold the cake, peel away any parchment, and finish with a flourish of fresh raspberries and a rain of dark chocolate shavings. Slice the Chocolate Raspberry Mousse Cake with a warm, dry knife for those picture-perfect edges and serve immediately to wild applause!

Pro Tips for Making Chocolate Raspberry Mousse Cake

  • Egg Whipping Magic: REALLY take the time to whip the eggs and sugar—look for visible “ribbons” when you lift out the whisk. That airy lift is crucial for the lightest chocolate sponge.
  • Gentle Folding Technique: When combining dry ingredients and melted chocolate, use a delicate touch so you don’t deflate all that gorgeous volume you just whipped in!
  • Raspberry Seed Removal: Pass your raspberry puree through a fine-mesh sieve not once but TWICE (especially after dissolving the gelatin) for the smoothest, silkiest mousse imaginable.
  • Patience Pays Off: Don’t skimp on chilling time; overnight is best for the mousse to achieve that perfect set and for flavors to fully meld.

How to Serve Chocolate Raspberry Mousse Cake

Chocolate Raspberry Mousse Cake Recipe - Recipe Image

Garnishes

The crowning jewels on your Chocolate Raspberry Mousse Cake are a scattering of plump fresh raspberries and a generous dusting of dark chocolate shavings. For a special touch, you can add a few mint leaves or a light snow of powdered sugar—little details that make your dessert look like it came out of a fancy patisserie.

Side Dishes

This cake pairs beautifully with a cup of freshly brewed espresso or a pot of delicate herbal tea. For a summer fête, serve alongside a scoop of vanilla bean ice cream or a dollop of lightly whipped cream to make each slice even more decadent.

Creative Ways to Present

For extra wow-factor, serve individual slices with a drizzle of raspberry coulis, a chocolate curl, or even tiny edible flowers tucked beside the berries. You could even make mini “personal” mousse cakes using a muffin tin—perfect for dinner parties or gifts!

Make Ahead and Storage

Storing Leftovers

Leftover Chocolate Raspberry Mousse Cake keeps well in the fridge for up to 5 days—simply cover it (I like to tuck the springform pan back around it for protection) and let it chill until you’re ready for another slice. The texture stays creamy and delicious so long as you keep it cool.

Freezing

You absolutely can freeze this cake! Wrap tightly in plastic wrap and a layer or two of foil, then freeze for up to two months. Thaw overnight in the refrigerator (no heating, please!) for a make-ahead treat that tastes just as stunning as fresh.

Reheating

Mousse cakes are meant to be enjoyed cold; don’t attempt to reheat or warm your Chocolate Raspberry Mousse Cake or you’ll lose that dreamy texture. If serving from the fridge, simply let the cake sit at room temperature for about 10 minutes for the softest mousse and deepest flavor.

FAQs

  1. Can I use frozen raspberries for the mousse?

    Yes—frozen raspberries work beautifully in the mousse! Just be sure to thaw them completely and let any excess moisture drain before blending, so your puree ends up thick and flavorful.

  2. How do I know when the mousse layer is set?

    The mousse should feel firm and hold its shape when lightly pressed with a finger. If in doubt, an overnight rest in the fridge always does the trick for reliable slicing.

  3. Can I make the cake in advance?

    Absolutely! This Chocolate Raspberry Mousse Cake tastes even better after a night in the fridge, as the flavors get a chance to mingle and meld. It’s an ideal make-ahead dessert for parties.

  4. What’s the best way to get clean, neat slices?

    Dip a sharp knife in hot water and dry it between each cut—this will give you beautifully clean edges on each and every slice.

Final Thoughts

If you’re looking for a cake that feels like an edible celebration, you can’t go wrong with Chocolate Raspberry Mousse Cake. It’s every bit as delightful to make as it is to eat—so treat yourself and your loved ones, and let this become your new go-to special dessert. You—and your guests—will be smiling long after the last crumb!

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Chocolate Raspberry Mousse Cake Recipe

Chocolate Raspberry Mousse Cake Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.9 from 111 reviews
  • Author: Mia
  • Prep Time: 30 minutes
  • Cook Time: 20 minutes
  • Total Time: 3 hours 50 minutes
  • Yield: 16 slices
  • Category: Dessert
  • Method: Baking
  • Cuisine: International
  • Diet: Vegetarian

Description

Indulge in the luscious combination of rich chocolate sponge and delicate raspberry mousse with this Chocolate Raspberry Mousse Cake recipe. Perfect for special occasions or a decadent treat.


Ingredients

Units Scale

Chocolate Sponge

  • 3 large eggs, room temperature
  • 55 g light brown sugar
  • 65 g granulated sugar
  • 1 teaspoon vanilla extract
  • 65 g plain flour (all-purpose)
  • 15 g cocoa powder
  • 1 teaspoon baking powder
  • 1/2 teaspoon espresso powder
  • 1/4 teaspoon salt
  • 75 g Dark Chocolate 75%, melted

Raspberry Mousse

  • 2 1/4 teaspoon powdered gelatine
  • 45 ml fresh lemon juice
  • 400 g fresh raspberries (Frozen raspberries can be substituted; see note.)
  • 100 g granulated sugar
  • 480 ml double cream (heavy cream), cold

Decoration

  • 125 g fresh raspberries
  • 50 g Dark Chocolate shavings

Instructions

  1. Chocolate Sponge – Grease and line a 23cm springform pan. Preheat oven. Whip eggs, sugar, and vanilla. Fold in dry ingredients and melted chocolate. Bake and cool.
  2. Raspberry Mousse – Bloom gelatine, blend raspberries, heat puree with sugar, add gelatin, then fold into whipped cream. Pour over sponge and refrigerate.
  3. To Serve – Decorate with raspberries and chocolate shavings. Slice and serve.

Notes

  • Step-by-Step Photos: My blog post includes helpful step-by-step photos.
  • Storage: Refrigerate covered for up to 5 days. Can freeze for up to two months.
  • Raspberries: Frozen raspberries can be used for mousse and coulis.
  • Tips: Use quality ingredients, whip yolks and sugar well, scrape the bowl, fold puree gently, refrigerate adequately.

Nutrition

  • Serving Size: 1 slice
  • Calories: 320
  • Sugar: 21g
  • Sodium: 90mg
  • Fat: 22g
  • Saturated Fat: 14g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 29g
  • Fiber: 3g
  • Protein: 4g
  • Cholesterol: 100mg

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