
This mimosa cake still delivers that iconic mimosa-flower look with the little sponge cubes on top, but now everything leans deeper and richer thanks to cocoa, dark chocolate cream, and a coffee-kissed syrup. This cake looks like you bought it from a pastry shop, while you quietly know it came from your oven. You can serve it for birthdays or dinner parties.
What Is Chocolate Mimosa Cake?
Mimosa Cake is a classic Italian dessert known for its fluffy sponge and the signature topping of sponge cubes that resemble mimosa blossoms. Traditionally, it’s made with vanilla sponge and a light pastry cream, often with a hint of citrus. This version keeps the same iconic look and layered build, but switches the sponge to chocolate. It also folds whipped cream into a dark-chocolate custard for a mousse-like filling.
Pro Tips for the Best Chocolate Mimosa Cake
- Make both sponges ahead if you can. Sponge cakes slice cleaner when fully cool, even better after a few hours wrapped at room temp.
- Sift the dry ingredients because Cocoa loves to clump, and nobody invited cocoa pebbles to this party.
- Pour warm milk into yolks slowly while whisking so you don’t accidentally make sweet scrambled eggs.
- Use a soft brush for syrup. You want the sponge moist and flavorful, not soggy, so go layer by layer and don’t drench it.
Frequently Asked Questions
Why did my sponge cake collapse after baking?
Usually, it’s either underbaked or the batter loses too much air before it hits the oven. Make sure you whip the eggs and sugar until thick, then fold in the dry ingredients gently.
Can I make Chocolate Mimosa Cake without coffee in the syrup?
Yes, just swap the coffee with orange juice, milk, or a simple vanilla syrup for a gentler flavor. Coffee adds that grown-up dessert edge and boosts the chocolate, but it’s not mandatory. Just keep the syrup thin and brush lightly.
How do I get neat sponge discs without tearing the cake?
Use a long serrated knife and slice with a gentle sawing motion, and no pressing down like you’re cutting firewood. Chilling the sponge for 30-60 minutes makes it firmer and easier to slice cleanly. You can also score a shallow line around the cake first, then follow it slowly.
How to Store Chocolate Mimosa Cake
Store the assembled cake in the refrigerator, covered, for a couple of days. Because it contains custard and whipped cream, it shouldn’t sit at room temperature for more than 2 hours. You can freeze it, but the custard may change texture slightly when thawed.
Ingredients
How to Make Chocolate Mimosa Cake
In a large bowl, beat the eggs and sugar with an electric mixer until fluffy. Add orange zest, then flour, potato starch, and cocoa powder.
In a large bowl, beat the eggs and sugar with an electric mixer until fluffy. Add orange zest, then flour, potato starch, and cocoa powder.
Trim off the darker, firmer edges and the top crust to reveal the soft interior. Slice the sponge into 3 discs.
Pour into a 22cm cake pan and bake at 180°C/360°F for 45 minutes. Make a second sponge using the same ingredients and method.
In a saucepan, bring the milk just to a boil, then remove from the heat.
Trim off the darker, firmer edges and the top crust to reveal the soft interior. Slice the sponge into 3 discs.
In a bowl, whisk egg yolks and sugar until the sugar dissolves. Add cornstarch and vanilla extract, and whisk until lump-free
In a saucepan, bring the milk just to a boil, then remove from the heat.
Pour the hot milk into the mixing bowl and whisk. Then return everything to the saucepan and cook over medium-low heat until thick.
In a bowl, whisk egg yolks and sugar until the sugar dissolves. Add cornstarch and vanilla extract, and whisk until lump-free
Add dark chocolate and butter and stir until melted.
Pour the hot milk into the mixing bowl and whisk. Then return everything to the saucepan and cook over medium-low heat until thick.
Whip the fresh cream with an electric mixer until stiff.
Add dark chocolate and butter and stir until melted.
Mix the whipped cream with the cooled chocolate custard.
Whip the fresh cream with an electric mixer until stiff.
In a saucepan, combine water, sugar, and coffee, and simmer on low heat for a few minutes.
Mix the whipped cream with the cooled chocolate custard.
Place the first sponge disc on a serving plate. Brush with coffee syrup, then spread a layer of chocolate cream.
In a saucepan, combine water, sugar, and coffee, and simmer on low heat for a few minutes.
Repeat with the second disc, more syrup, and more cream. Add the final disc on top. Cover the top and sides with the remaining cream.
Place the first sponge disc on a serving plate. Brush with coffee syrup, then spread a layer of chocolate cream.
Cut the second sponge into small cubes. Sprinkle the cubes all over the cake and dust with powdered sugar.
Repeat with the second disc, more syrup, and more cream. Add the final disc on top. Cover the top and sides with the remaining cream.
Cut and enjoy.
Cut the second sponge into small cubes. Sprinkle the cubes all over the cake and dust with powdered sugar.
Cut and enjoy.