This is a six-ingredient chocolate cake that skips flour entirely and relies on whipped eggs and good dark chocolate for its structure. The result is dense, fudgy, and deeply chocolatey — nothing like a regular cake, and better for it. It also happens to be naturally gluten-free, which makes it genuinely useful when you’re baking for a mixed group.
Shopping notes
- Dark chocolate (70% cacao or higher): This is the ingredient that carries the whole cake, so buy the best bar you can find. Baking chips work in a pinch but often contain stabilizers that affect how smoothly they melt. A good baking bar or couverture chocolate is worth it here.
- Eggs at room temperature: Cold eggs don’t whip as well or as quickly. Set them out 30 minutes before you start. This is not optional — it directly affects the texture of the batter.
- Unsalted butter: Salted butter will throw off the salt balance. Stick with unsalted and use the measured ¼ teaspoon of salt in the recipe.
What makes this version work
Two things matter most here. First, whipping the eggs and sugar until they’re thick and pale — a full five minutes — is what gives the cake any lift at all. Without flour or baking powder, that aerated egg mixture is doing all the structural work. Rushing this step produces a flat, greasy result. Second, folding the chocolate into the eggs gently and stopping as soon as the batter is uniform keeps those air bubbles intact. Overmixing deflates the eggs and you lose the slight rise and the characteristic crackly top. Everything else in this recipe is straightforward; these two steps are where the cake succeeds or fails.
Troubleshooting
- The cake sank dramatically in the center: Some sinking is normal and expected as it cools — this cake isn’t meant to be level. A significant collapse usually means it was underbaked. The center should feel just set, not liquid, when you pull it from the oven.
- The batter looks broken or greasy after folding: The chocolate mixture was probably too hot when it hit the eggs. Let the melted chocolate and butter cool for at least five minutes before combining — it should be warm, not steaming.
- The top cracked unevenly or not at all: Uneven cracking is cosmetic and doesn’t affect the cake. No cracking at all can mean the oven ran cool; use an oven thermometer to check your actual temperature.
- The cake stuck to the pan: Parchment on the bottom is essential, not optional. If you also grease the sides well, the cake releases cleanly after the springform ring is removed. Don’t try to unmold it while it’s still warm.
- The texture was grainy rather than smooth: Grainy texture usually means the sugar didn’t fully dissolve into the eggs. Whip longer, and make sure you’re using fine granulated sugar rather than a coarser variety.
Storage and freezing
Store the cooled cake covered at room temperature for up to two days — the texture is actually better on day two once it’s had time to settle. For longer storage, wrap it tightly and refrigerate for up to five days; bring it back to room temperature for 30 minutes before serving, since cold makes it firmer than ideal. This cake freezes well: wrap individual slices in plastic wrap, then foil, and freeze for up to two months. Thaw overnight in the fridge or for a couple of hours on the counter. Skip the powdered sugar garnish until just before serving — not worth the extra dish, and it dissolves anyway if applied too early.
Flourless Chocolate Cake (Gluten-Free)
Equipment
- 1 Springform pan (9-inch)
- 1 Double boiler or heatproof bowl and saucepan
- 1 Whisk
- 1 Spatula
- 1 Cooling Rack
- 1 Mixing Bowls
Ingredients
- 8 ounces dark chocolate at least 70% cacao, chopped
- ½ cup unsalted butter plus extra for greasing the pan
- 5 large eggs room temperature
- 1 cup granulated sugar
- 1 teaspoon vanilla extract
- ¼ teaspoon salt
Instructions
- Preheat your oven to 325°F (163°C). Grease a 9-inch springform pan and line the bottom with parchment paper.
- Melt the dark chocolate and butter together using a double boiler or a heatproof bowl set over barely simmering water. Stir until smooth and creamy, then set aside to cool slightly.
- In a mixing bowl, whisk the eggs and sugar together until thick and pale, about 5 minutes. Ideally, you should achieve a ribbon-like consistency.
- Gently fold the melted chocolate mixture into the egg mixture followed by vanilla extract and salt, ensuring a smooth batter. Be careful not to overmix.
- Pour the batter into the prepared springform pan. Smooth the top with a spatula, then bake in the preheated oven for 40-45 minutes or until the cake has set and the top is slightly cracked.
- Allow the cake to cool in the pan for ten minutes before transferring it to a cooling rack to cool completely.
Notes
Tammy’s Tips:
Enhance the chocolate flavor by adding a pinch of espresso powder to the batter. For a lighter alternative, substitute half of the chocolate with semi-sweet or milk chocolate. For a nutty twist, garnish with toasted almond flakes before serving.Nutrition
FAQ
Can I use chocolate with less than 70% cacao?
You can, but the cake will be noticeably sweeter and less intensely chocolatey. If you use a 60% bar, consider reducing the granulated sugar by two tablespoons to keep the balance.
How do I know when the cake is done baking?
The edges should look set and the center should have just a slight wobble — similar to a just-set brownie. A toothpick won’t come out clean the way it would with a regular cake, and that’s correct for this texture.
Do I need a springform pan, or can I use a regular cake pan?
A springform pan makes unmolding much easier because this cake is fragile when warm. If you only have a regular 9-inch round pan, line it fully with parchment — bottom and sides — and let the cake cool completely before attempting to lift it out.
Can I make this cake a day ahead?
Yes, and it’s actually a good idea. The texture firms up and the chocolate flavor deepens overnight. Bake it the day before, cool it completely, cover it, and leave it at room temperature until you’re ready to serve.
My eggs are straight from the fridge — can I still use them?
Cold eggs will whip, but they take significantly longer to reach the thick, ribbon-like consistency the recipe needs. Place them in a bowl of warm (not hot) water for 10 minutes as a quick fix.
Is this cake safe for people with celiac disease?
The recipe itself contains no gluten ingredients, but cross-contamination is a real concern. If you’re baking for someone with celiac, check that your chocolate bar and all other ingredients are certified gluten-free, and make sure your equipment is thoroughly clean.
What to bake next
- Dark Chocolate Espresso Tartlets
- French Brown Butter Chocolate Tart
- Molten Chocolate Peanut Butter Surprise Cookies
- Chocolate Chai Pots de Crème