Decadent Flourless Chocolate Cake

Featured in: Baking & Sweet Treats

This decadent dark chocolate cake combines rich cocoa and butter to create a fudgy, velvety texture that melts in your mouth. Made without flour, it’s naturally gluten-free and perfect for those seeking an indulgent treat. Simple steps include melting chocolate with butter, whisking in sugar and eggs, and baking until the edges set with a slightly wobbly center. Finished with optional dustings of cocoa or powdered sugar and fresh berries, this cake delivers intense chocolate pleasure in every bite.

Updated on Tue, 16 Dec 2025 08:37:00 GMT
A slice of Decadent Flourless Chocolate Cake, dusted with cocoa and served with fresh berries. Pin it
A slice of Decadent Flourless Chocolate Cake, dusted with cocoa and served with fresh berries. | purposepan.com

I'll never forget the first time I made a flourless chocolate cake—it was for my sister's birthday, and I was terrified. No flour meant no safety net, no familiar texture to rely on. But the moment I pulled that dark, glossy cake from the oven and saw the center still gently trembling, I knew something magical had happened. That cake became the one I reach for whenever I need to feel like a real baker, the one that proves you don't need flour to create something unforgettable.

I served this cake to my book club once, nervous they'd judge me for something so simple. Instead, one friend asked for the recipe before finishing her slice, and another went back for seconds while everyone else was still on their first bite. That's when I realized this cake isn't about complexity—it's about respect. Respect for chocolate, respect for butter, and respect for the moment you're sharing it.

Ingredients

  • High-quality dark chocolate (70% cocoa), chopped: This is where the magic lives. Choose chocolate you'd actually eat on its own—the richness carries the entire cake. I learned this the hard way with cheap baking chocolate; the difference is profound.
  • Unsalted butter, cut into pieces: The pieces melt faster and more evenly with the chocolate. Unsalted lets the chocolate flavor sing without competition.
  • Granulated sugar: It dissolves into the eggs, creating a silky base that gives the cake its velvety crumb.
  • Large eggs, at room temperature: This matters more than you'd think. Cold eggs won't incorporate properly and can make the batter grainy. Take them out 30 minutes before you start.
  • Pure vanilla extract: A whisper of vanilla deepens the chocolate flavor without announcing itself.
  • Fine sea salt: This tiny pinch is the secret handshake that makes chocolate taste more like itself.
  • Cocoa powder or powdered sugar, for dusting: The final flourish—choose cocoa for dramatic earthiness or powdered sugar for elegance.

Instructions

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Set up your mise en place:
Preheat your oven to 175°C (350°F). Grease your 20 cm round pan generously—I use butter and a little cocoa powder so every edge releases cleanly. Line the bottom with parchment paper; this is your insurance policy against a stuck cake.
Create the chocolate emulsion:
Chop your chocolate into small, eager pieces. Place them in a heatproof bowl with the butter pieces. Set this bowl over a pot of simmering water—the steam should barely touch the bottom of the bowl. Stir gently with a spatula, watching as the chocolate and butter surrender into glossy darkness. This should take 3–4 minutes. The moment it's smooth, lift the bowl away from the heat and breathe in that aroma. You've earned it.
Build the batter with intention:
Whisk the sugar into the warm chocolate until it's fully incorporated—this takes about 1 minute of gentle whisking. Now comes the part that feels like magic: add your room-temperature eggs one at a time, whisking vigorously after each one. With each egg, the mixture goes from glossy to mousse-like. This is emulsification happening before your eyes.
Season with restraint:
Stir in the vanilla extract and salt until you can't see any streaks. This is quick—about 30 seconds—but essential.
Pour and trust:
Transfer your batter into the waiting pan and smooth the top with a spatula. Don't overthink this; it doesn't need to be perfect. Your oven will handle the rest.
Bake to the wobble:
Slide the pan into your preheated oven and set the timer for 25 minutes. At 25 minutes, open the door and look. The edges should be set—they'll barely jiggle when you gently shake the pan. The center? It should move like water in a small circle. That's not underbaked; that's exactly right. It will set as it cools. Bake for up to 30 minutes if your oven runs cool, but watch carefully—every oven is different.
Cool with patience:
Remove the cake from the oven and let it rest in its pan for exactly 10 minutes. You can feel it setting, firming up just enough. Run a thin knife around the edge, then place your serving plate on top and flip with confident hands. Peel away the parchment paper slowly and carefully.
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This fudgy Decadent Flourless Chocolate Cake showcases a deep, dark chocolate flavor and a smooth texture. Pin it
This fudgy Decadent Flourless Chocolate Cake showcases a deep, dark chocolate flavor and a smooth texture. | purposepan.com

My grandmother tasted this cake and didn't say anything for a long moment. Then she asked if I'd added coffee to it—I hadn't. She said it tasted like pure chocolate memory, like the most expensive truffles she'd ever had, but warm and alive on the plate. That's the moment I stopped worrying about whether this cake was too simple.

The Science of Simplicity

This cake works because it's built entirely on two principles: emulsification and precise baking temperature. The eggs don't just bind the ingredients together—they trap tiny bubbles of air as you whisk them into the chocolate, creating lift without flour. The butter and chocolate meld into a silky base that carries flavor instead of fighting it. There's nowhere for weakness to hide, which is why this recipe demands your best chocolate and your attention.

Serving and Presentation

A flourless chocolate cake is bold enough to need almost nothing. A dusting of cocoa powder looks dramatic and tastes like pure chocolate intensity. Powdered sugar feels more delicate, more elegant. Fresh raspberries alongside add brightness; whipped cream adds luxury. But honestly, a simple plate and a single slice speaks loudest. The cake does all the talking.

  • Serve thin slices—this cake is rich by design, and a little goes a long way in the best possible way
  • Let it come to room temperature before serving for the most tender crumb and deepest flavor
  • A cup of black coffee or hot tea alongside is all you really need

Storage and Make-Ahead

This cake actually improves after a day, the flavors deepening and the texture becoming even more fudgy. Cover it tightly at room temperature for up to 2 days, or refrigerate for up to 5 days. You can even freeze it for a month if you're planning ahead—just wrap it well and thaw it at room temperature before serving. I've made this cake the day before important dinners more times than I can count, which is precisely why it's become my secret weapon.

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Variations and Personal Touches

Once you master this cake, it becomes a canvas. Add 1 teaspoon of instant espresso powder to the melted chocolate for a mocha version that tastes like a chocolate shop in Vienna. A tiny splash of orange extract brings warmth and sophistication. Cardamom whispers something mysterious. But my advice is to make it plain at least once, to understand what you're working with before you start improvising. That understanding changes everything.

  • Espresso powder deepens chocolate without making the cake taste like coffee
  • A pinch of cayenne pepper creates an unexpected warmth that lingers
  • Swap the vanilla for almond extract for a completely different personality
Imagine a moist, intensely rich Decadent Flourless Chocolate Cake, perfect for any chocolate craving. Pin it
Imagine a moist, intensely rich Decadent Flourless Chocolate Cake, perfect for any chocolate craving. | purposepan.com

This cake taught me that sometimes the most impressive things are the simplest, made with intention and the best ingredients you can find. It's become the cake I reach for when I need to remind myself that cooking is an act of love.

Recipe FAQs

What makes this chocolate cake flourless?

It uses no flour, relying on eggs and melted chocolate to provide structure and a fudgy texture.

Can I add coffee flavor to enhance the chocolate?

Yes, adding a teaspoon of instant espresso powder to the melted chocolate mixture intensifies the chocolate notes.

How can I tell when the cake is perfectly baked?

The edges will be set while the center remains slightly wobbly, ensuring a moist, fudgy consistency.

What are good serving suggestions for this cake?

Dust with cocoa powder or powdered sugar and serve with fresh berries or whipped cream for added freshness and texture contrast.

How should leftovers be stored?

Store tightly covered at room temperature for up to 2 days, or refrigerate and consume within 5 days for best freshness.

Decadent Flourless Chocolate Cake

Velvety chocolate cake with intense flavor and fudgy texture, naturally gluten-free and ideal for dessert.

Prep time
15 minutes
Cook time
30 minutes
Total duration
45 minutes
Author Amelia Cook


Skill Level Medium

Cuisine International

Portions 8 Serving size

Diet Information Veg-Friendly, No Gluten

What You Need

Chocolate & Butter

01 8 oz high-quality dark chocolate (70% cocoa), chopped
02 1/2 cup unsalted butter, cut into pieces

Sugar & Eggs

01 3/4 cup granulated sugar
02 4 large eggs, at room temperature

Flavorings

01 1 tsp pure vanilla extract
02 1/4 tsp fine sea salt

Optional Garnish

01 Cocoa powder or powdered sugar, for dusting
02 Fresh berries, for serving
03 Whipped cream, for serving

Step-by-Step Guide

Step 01

Prepare Oven and Pan: Preheat the oven to 350°F. Grease an 8-inch round cake pan and line the bottom with parchment paper.

Step 02

Melt Chocolate and Butter: In a heatproof bowl set over simmering water, melt the chopped dark chocolate and butter together, stirring until smooth. Remove from heat and allow to cool slightly.

Step 03

Incorporate Sugar and Eggs: Whisk granulated sugar into the chocolate mixture. Add eggs one at a time, whisking thoroughly after each addition.

Step 04

Add Flavorings: Stir in vanilla extract and sea salt until fully combined.

Step 05

Transfer Batter and Smooth: Pour the batter into the prepared pan and smooth the surface evenly with a spatula.

Step 06

Bake: Bake for 25 to 30 minutes until the edges are set and the center remains slightly wobbly.

Step 07

Cool and Unmold: Let the cake cool in the pan for 10 minutes. Run a knife around the edge and invert onto a serving plate. Remove the parchment paper.

Step 08

Garnish and Serve: Dust with cocoa powder or powdered sugar. Optionally garnish with fresh berries or whipped cream before serving.

What You'll Need

  • 8-inch round cake pan
  • Heatproof mixing bowl
  • Saucepan
  • Whisk
  • Spatula
  • Parchment paper

Allergy List

Review all items for allergens and talk to a medical expert if you're unsure.
  • Contains eggs and dairy (butter).
  • Chocolate may contain traces of nuts, soy, or gluten; verify ingredient labels.

Nutrition details (per portion)

Nutrition details are just for your reference and shouldn't substitute a medical consultation.
  • Calories: 310
  • Fat content: 20 grams
  • Carbohydrates: 28 grams
  • Protein: 5 grams