Luscious Dark Chocolate Mousse

Category: Sweet Treats to Satisfy Any Craving

This mousse mixes melted dark chocolate with creamy unsalted butter. You whip egg whites until stiff then fold them in for a nice airy feel. Egg yolks beaten with sugar add richness. Vanilla extract boosts the flavor and whipped cream on top makes it extra smooth. Chill it well so it sets with a soft, yummy texture.

Dana
Recipe Created By Dana
Last updated on Thu, 20 Nov 2025 18:53:08 GMT
Slice of chocolate mousse cake Save
Slice of chocolate mousse cake | chefsnaps.com

Dive into this chocolate mousse treat that’s creamy and rich with real dark chocolate goodness. It’s a great way to wow guests or spoil yourself without spending all day baking.

The first time I whipped this up it quickly became a hit at both family get-togethers and weekend indulgences. It’s simple but packed with fancy flavors that steal the show.

What You’ll Need

  • Room temp unsalted butter about 100 grams to make the chocolate silky
  • Four eggs separated nicely so the whites and yolks work separately
  • Two teaspoons vanilla extract for a hint of sweet floral aroma
  • 200 grams dark chocolate with 70% cocoa for a rich bittersweet taste — good quality really makes the difference
  • 250 ml heavy cream whipped to soft peaks for airiness
  • 150 grams sugar to balance the bitterness without being too sweet

Step-by-Step Guide

Make Smooth Chocolate Base
Gently melt dark chocolate over simmering water until glossy. Stir in the butter off the heat until silky.
Beat Yolks and Sugar
Whisk egg yolks with sugar until pale and fluffy, forming a sweet light base.
Mix Chocolate Into Yolks
Slowly pour melted chocolate into yolk mix, stirring until smooth.
Whip Egg Whites
Whisk egg whites in a totally clean bowl until stiff peaks form, which gives the mousse its fluffy texture.
Fold In Whites Gently
Carefully combine whipped whites with chocolate-yolk mixture so it stays airy and light.
Chill to Set
Transfer mousse to a lined springform pan and refrigerate at least four hours or overnight for firm results.
Slice and Enjoy
Once chilled, lift out carefully and cut into generous pieces to share with chocolate fans.
A slice of chocolate mousse cake.
A slice of chocolate mousse cake. | chefsnaps.com

My favorite bit is folding in the egg whites slowly and seeing the mousse fluff up beautifully. The first time I served it, my guests’ happy smiles said it all — pure luxury in a spoon.

How To Store

Keep the cake covered in the fridge so the mousse stays fresh and creamy for up to three days
If freezing, wrap it tight in plastic and foil. Thaw slowly in the fridge overnight before digging in
Don’t leave it out at room temp or it’ll get soft fast and lose its shape

Switch It Up

Try mixing half dark and half milk chocolate if you want it less intense and a bit sweeter
Add a splash of coffee or espresso extract into the melted chocolate for a mocha twist
Mix in some chopped toasted hazelnuts for crunch and a nutty punch

Top Pairings

Pop a side of fresh raspberries or berry sauce on the plate to lighten the richness
Give it a cloud of lightly sweetened whipped cream for extra softness
Match with bold port wine or strong espresso to boost chocolate flavors

A slice of chocolate mousse cake.
A slice of chocolate mousse cake. | chefsnaps.com

Want clean slices every time? Warm your knife in hot water and wipe it between cuts for neat pieces.

Frequently Asked Cooking Questions

→ Which chocolate is best for this mousse?

Go for dark chocolate with about 70% cocoa for a nice balance of rich and bitter flavors.

→ How do I get stiff peaks when whipping egg whites?

Use a clean dry bowl and whisk at a medium-high speed until the peaks stand up without falling.

→ Why should I chill the mousse for hours?

Chilling helps the mousse firm up and keeps it creamy so it holds its shape when you cut it.

→ Can I swap out the whipped cream for something else?

Whipped cream adds lightness and richness, but mascarpone can work if you want something thicker.

→ Any tips to stop the mousse from losing its fluff?

Gently fold in the egg whites to keep it light and don’t mix too much or the air will escape.

Dark Chocolate Mousse

Light and fluffy mousse made from smooth dark chocolate and soft whipped cream for a classy dessert.

Preparation Duration
30 minutes
Time to Cook
~
Overall Time
30 minutes
Recipe Created By: Dana

Type of Recipe: Desserts

Cooking Skill Level: For Moderate Skills

Cuisine Style: French

Serving Amount: 8 Number of Servings (8 slices)

Dietary Options: Great for Vegetarians, Free From Gluten

Ingredients You'll Need

→ Cream

01 250 ml heavy cream, whipped

→ Chocolate Base

02 100 g unsalted butter, softened
03 200 g quality dark chocolate (70% cocoa)

→ Flavoring

04 2 tsp vanilla extract

→ Egg Components

05 150 g granulated sugar
06 4 large eggs, separated

Detailed Preparation Steps

Step 01

Slice the chilled mousse carefully after taking it out of the pan and enjoy it cold.

Step 02

Put the mix in a lined springform pan and cool it in the fridge for at least 4 hours or overnight.

Step 03

Mix the stiff egg whites into the chocolate mix gently, just enough to keep the fluffiness.

Step 04

Beat the egg whites in a clean bowl until they stand up stiff and firm.

Step 05

Slowly fold the melted chocolate mixture into the fluffy egg yolks until it’s all mixed well.

Step 06

Whisk the egg yolks and sugar together in a bowl until it’s light and fluffy.

Step 07

Blend the softened butter into the melted chocolate until it looks shiny and smooth.

Step 08

Warm the dark chocolate in a heat-safe bowl over simmering water until it’s silky smooth.

Helpful Tips

  1. Pick dark chocolate with more cocoa to get a stronger chocolate taste.
  2. Beat egg whites until they hold firm peaks for an airy and soft feel.
  3. Chill the mousse for at least 4 hours so it sets perfectly.

Essential Kitchen Tools

  • Springform pan
  • Whisk or electric mixer
  • Heatproof mixing bowl

Allergy Information

Always check labels for allergens and reach out to a healthcare expert if unsure.
  • Has eggs and dairy

Nutrition Information (Per Portion)

Nutrition facts are provided for reference and don’t replace professional medical advice.
  • Calories: 450
  • Fat Content: 32 grams
  • Carbohydrate Amount: 35 grams
  • Protein Content: 8 grams