Dreamy Chocolate Cake

Featured in Sweet Treats Worth the Calories.

This gorgeous treat is made of three chocolate layers. Start with a moist cake base featuring cocoa and coffee for depth, soaked with extra coffee for richness. The highlight is a mousse made of dark and milk chocolate, whipped cream, and a light meringue to keep it airy. It's topped off with a smooth ganache layer that drips down elegantly. Every bite combines soft cake, fluffy mousse, and glossy ganache to create a chocolate lover's dream.
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Updated on Sat, 05 Apr 2025 22:18:56 GMT
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Dreamy Chocolate Cake | cookwithtaste.com

I'm gonna break down this fancy treat into a simple guide for making the best chocolate indulgence ever. This three-layer chocolate wonder puts together a soft chocolate base, smooth creamy filling, and shiny top coating for a mind-blowing sweet treat.

After whipping up tons of these cakes, I think this version hits just right - not too heavy but still super rich. The first time I brought this to a friend's house, everyone kept asking which bakery I stopped at.

Key Ingredients and Smart Picks

  • Dark Chocolate: Go for good 70% cocoa stuff for big flavor. Look for shiny squares that snap cleanly.
  • Milk Chocolate: Spend a bit more on name brands for better melting and taste.
  • Dutch Process Cocoa: Makes everything darker and tastier than regular cocoa powder.
  • Fresh Eggs: Split them when they're cold but let them warm up before using.
  • Heavy Cream: Get the kind with at least 36% fat so it whips up right.

Step-by-Step Cooking Guide

Step 1: Getting the Base Just Right
Check your oven with a thermometer first thing. Mix all your dry stuff super well to break up cocoa clumps. Pour in hot coffee last to wake up the cocoa flavors. Pull it out while a tiny bit sticky inside on your toothpick test.
Step 2: Nailing the Middle Layer
Melt your chocolate very gently and slowly. Warm those egg yolks gradually so they don't turn into scrambled eggs. Make sure the gelatin completely disappears into warm cream. Don't smash out all the air when mixing.
Step 3: Making the Top Shine
Cut chocolate into same-size pieces for smooth melting. Warm cream just until tiny bubbles form at the edge. Wait exactly 3 minutes before you stir it up. Pour when it's still flowing but not super hot.
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I spent years watching my grandma make chocolate treats, and she always said you can't rush good desserts. This cake takes a while, but every minute you put in makes it taste even better.

What really makes this cake amazing is watching the temperature. I've learned that letting each part cool down properly is what gives you those awesome different textures in every bite.

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Chocolate Mousse Cake | cookwithtaste.com

This cake has turned into my go-to wow dessert for birthdays and holidays. Putting three different kinds of chocolate together creates something that chocolate fans won't stop talking about.

Frequently Asked Questions

→ What does acetate or cake collar do?
It ensures your mousse layers have neat, smooth edges.
→ Can I prepare it in advance?
Totally! Make it up to 2 days early and store in the fridge.
→ Why add coffee to the cake?
It makes the cake moist and deepens the chocolate flavor without tasting like coffee.
→ Is gelatin really necessary?
Yes, it helps keep the mousse steady and firm when sliced.
→ How long will it stay fresh?
Keep it refrigerated and enjoy within 3 days for the best taste, up to 5 days total.

Chocolate Mousse Cake

Three-layer dessert with soft cake, fluffy mousse, and velvety ganache on top.

Prep Time
250 Minutes
Cook Time
120 Minutes
Total Time
370 Minutes
By: Milly

Category: Desserts

Difficulty: Difficult

Cuisine: French

Yield: 10 Servings

Dietary: Vegetarian

Ingredients

→ Chocolate Cake

01 1/4 teaspoon kosher salt
02 1/2 teaspoon baking powder
03 2 tablespoons cornstarch
04 1 teaspoon baking soda
05 1/2 cup (100g) fine granulated sugar
06 1/4 cup (25g) dutch process cocoa powder
07 3/4 cup (95g) all-purpose flour
08 1/2 cup (120g) sour cream
09 1 teaspoon vanilla extract
10 2 large eggs
11 1/2 cup (105g) dark brown sugar, packed
12 1/2 cup (112g) vegetable or olive oil
13 1/2 cup (120g) hot coffee

→ Cake Soak

14 1 tablespoon dutch process cocoa powder
15 1/2 cup (120g) hot coffee

→ Chocolate Mousse

16 7 oz milk chocolate, chopped
17 7 oz 70% dark chocolate, chopped
18 1/2 teaspoon cream of tartar
19 3 tablespoons water
20 1 1/2 teaspoons unflavored gelatin
21 3 large eggs, separated
22 1/4 cup (50g) granulated sugar
23 1 3/4 cups heavy cream, divided

→ Ganache

24 3/4 cup (180g) heavy cream
25 6 oz 70% dark chocolate, chopped

Instructions

Step 01

Combine the dry stuff and wet stuff in separate bowls, then mix them together. Pour into a springform pan and bake at 350°F for about 25-30 minutes.

Step 02

Trim the cooled cake to level it out. Line the pan with parchment or acetate, then soak the cake using the coffee-cocoa blend.

Step 03

Melt both types of chocolate and stir in egg yolks. Add a mixture of gelatin and some cream, then fold in whipped cream and beaten egg whites.

Step 04

Spread the mousse over the cake and let it set in the fridge for at least 4 hours or leave it overnight.

Step 05

Prepare ganache by heating cream and mixing it with chocolate. Spread it on the chilled mousse. Let it cool for 30 minutes before serving.

Notes

  1. Gluten-free baking flour can work here.
  2. Use parchment paper if you don't have acetate.
  3. To get the best texture, leave it to chill overnight.

Tools You'll Need

  • Acetate cake collar
  • 9-inch springform pan
  • Double boiler
  • Stand or hand mixer

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy
  • Eggs
  • Wheat