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A close-up of a slice of chocolate cake topped with powdered sugar on a white plate, with a fork holding a small bite next to it.

Fudgy Flourless Chocolate Cake

Published: July 11, 2021 Modified: August 14, 2026 By
Prep Time 20 mins
Cook Time 40 mins
Total Time 1 hr

A rich gluten-free chocolate cake with a cracked meringue top and a moist chocolate centre. Makes one 9" cake.

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Fudgy Flourless Chocolate Cake

This fudgy flourless chocolate cake is the most perfect mix of rich fudgy brownie and a crackly meringue crust. It’s rich and decadent but melts in the mouth. The cake rises high as it bakes, but then collapses into a crackle topped cake.

A close-up of a slice of chocolate cake topped with powdered sugar on a white plate, with a fork holding a small bite next to it.

About this flourless chocolate cake

The batter of this cake looks and tastes like chocolate mousse. It’s a whipped batter made of egg whites, chocolate and butter, folded together super gently so the batter stays light and airy. In the oven the cake rises high because of all the air that’s been whipped into the egg whites. Then as it cools down it deflates and it leaves a crisp, thin crackily top, that looks similar to a brownie top but it’s crispier. Then inside the cake it’s as moist as anything.

A round chocolate cake dusted with powdered sugar sits on parchment paper, with one slice missing. A white bowl is blurred in the background.

Ingredients 

The ingredients amounts are listed in the recipe card below but here is a run-through of the main ones with a few extra details. 

  • Chocolate: Good dark chocolate with 50% -60% cocoa makes a rich cake that is not too bitter.
  • Butter: Melted butter brings moisture and flavor.
  • Sugar + salt: Granulated white sugar for sweetness, salt to balance the sweetness.
  • Eggs: Egg yolks add richness. Egg whites are whipped with the sugar until stiff peaks form and these bring lightness to the batter.
  • Cocoa powder – Cocoa powder enhances the chocolate flavor more.

Method

  1. Melt together the chocolate and the butter and stir until glossy.
A hand stirs glossy, melted chocolate and butter with visible egg yolks in a clear glass bowl using a green spatula, on a light countertop.
  1. Add the egg yolks to the chocolate one at a time, then the vanilla, cocoa powder, and salt.
A glass bowl filled with fluffy, white whipped cream, with a hand mixer beater covered in the whipped cream held above the bowl.
  1. Whip the egg whites til foamy, then slowly whip in the sugar and keep whipping to you achieve stiff peaks.
Hands mix fluffy white whipped cream and chocolate in a glass bowl with a spatula, creating a marbled effect. The bowl is placed on a light-colored surface.
  1. Fold the egg whites, slowly in increments into the chocolate mixture.
Hands spreading chocolate cake batter in a round baking pan with an offset spatula on a light-colored surface.
  1. Scoop the mixture into a prepared pan and smooth the top with the back of the spatula. 
A freshly baked chocolate cake with a cracked top sits in a round black baking pan on a wire rack, next to a green and white striped kitchen towel.
  1. Place the cake in the oven and bake for approximately 40 minutes. 
A slice of rich, dense chocolate cake with a crackled top sits on a white plate. The rest of the cake is visible in the background.
  1. After baking, leave it to cool completely before removing it from the cake pan. It will deflate as it cools.

Serving and storing

Serve the cake with whipped cream and fresh fruit. Leftover cracked chocolate cake can be stored in an airtight container at room temperature for 2 days, or in the refrigerator for up to 4 days.

Cracked chocolate cake FAQ

Yes, this cake freezes well. Wrap it in cling wrap or seal it in an airtight container before freezing. Let it thaw at room temperature.

For this cake that is exactly what should happen! It is why it has the name cracked chocolate cake. The beaten egg whites cause the cake to rise and expand in the heat of the oven, but it will deflate once it has been removed.

It doesn’t need to be refrigerated but it will store for longer if it is chilled.

A close-up of a slice of chocolate cake with powdered sugar, served with a scoop of vanilla ice cream on a plate. A fork holds a bite of cake topped with melting ice cream.

Related recipes

Are you looking for another chocolate cake? Why not try a sourdough chocolate cake or this delicious 6-inch chocolate cake.

Flourless Chocolate Cake

4.91 from 33 votes
A rich gluten-free chocolate cake with a cracked meringue top and a moist chocolate centre. Makes one 9" cake.
A close-up of a slice of chocolate cake topped with powdered sugar on a white plate, with a fork holding a small bite next to it.
Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Servings 10

Ingredients
 
 

  • 220 g semi-sweet chocolate (50-60% cocoa)
  • 113 g unsalted butter (plus more for greasing)
  • 5 large eggs
  • 3 Tbsp cocoa powder 
 + 1 tsp for greasing
  • 1 tsp vanilla paste or extract
  • 1/4 tsp salt
  • 150 g granulated sugar

Instructions
 

  • Grease the sides of a 9-inch/23cm springform round cake pan with butter and add in a teaspoon of cocoa powder. Tip the pan to the side and tap it, turning it round and round to cover the greased sides with cocoa powder. Tip the pan upside down and tap it to remove the excess powder. Line the bottom of the pan with a circle of parchment paper.
  • Preheat the oven to 350°F/180°C.
  • In a saucepan over low heat, melt together the chocolate and butter. Alternatively, place them in a microwave-proof bowl and microwave them together until melted, stirring every 30 seconds. Let it cool slightly.
  • Separate the yolks from the egg whites. Add the egg yolks to the chocolate mixture and the vanilla, cocoa powder, and salt. Stir it together until combined.
  • Add the egg whites to a large bowl of a stand mixer fitted with a whisk attachment. Beat on low-medium speed until the egg whites are foamy, then add a tablespoon of sugar. Increase the speed to medium-high and keep whisking, adding the sugar in a tablespoon until the egg whites are thick and glossy with stiff peaks.
  • Add 1/3 of the egg whites into the chocolate mixture and fold it through carefully with a rubber spatula. Continue with the remaining egg whites, 1/3 at a time. Take care not to beat the mix and lose the volume of the egg whites.
  • Scoop the mixture into the greased pan and smooth the top with the back of the spatula.
  • Place the cake in the oven and bake for approximately 40 minutes until the cake no longer wobbles when given a light shake.
  • Place the cake in the pan on a cooling rack and leave it to cool completely before removing it from the pan. It will deflate as it cools.

Notes

The cup sizes given are for US cups. Note that these are smaller than metric cup sizes. For best results, use grams.

Nutrition

Serving: 1servingCalories: 307kcalCarbohydrates: 28gProtein: 5gFat: 20gSaturated Fat: 12gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gTrans Fat: 0.4gCholesterol: 119mgSodium: 169mgPotassium: 185mgFiber: 2gSugar: 23gVitamin A: 428IUCalcium: 32mgIron: 2mg
Keyword cake, chocolate, gluten free
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