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I had planned to decorate this cake with ganache but halfway through, I realized I didn’t have enough cream. Classic me!

I kept going anyway and although the consistency was a lot firmer than I’d hoped, I was pleasantly surprised when I tasted it. It tasted light, creamy and A LOT like chocolate truffles. It has the texture of a mousse-type of dessert.

So instead of making ganache, I decided to just call this a happy accident and keep it as it was. Plus, it’s something a little different that you don’t see very often on vegan chocolate cake.

Once you spread the truffle frosting on the sponge layers, it tastes like a lighter version of a chocolate fudge cake and it is TO DIE FOR! My taste testers said they liked it because it had a strong chocolate flavor without being overly sweet.

If you like your frosting to be creamier/looser, you can always add extra cream until you reach your desired consistency or use vegan chocolate buttercream instead.


Yes! I froze huge slices of this cake and they defrosted really well. I placed the slices in an airtight container to freeze, then transferred them onto a plate to defrost at room temperature for 2-3 hours.

Alternatively, you can wrap the sponges (without frosting) in cling film/plastic wrap and freeze them like that. Then you would just frost and assemble the cake immediately before serving.

Vegan Chocolate Cake


1+¼ Cups Soy milk (315ml)
1+½ Tablespoons Apple cider vinegar*
¾ Cup Vegan butter (180g)
2+½ Cups All-purpose flour (325g)
3 Tablespoons Unsweetened cocoa powder
1+½ Teaspoons Bicarbonate of soda
1 Cup Caster/superfine sugar (200g)

For the chocolate truffle frosting

10oz /300g Semi-sweet dark chocolate (60-70% cocoa)
2+½ Cups / 600ml Vegan whipping cream

To top

A few handfuls of fresh berries (I used strawberries, raspberries and blueberries)
Powdered sugar, to dust (optional)


Preheat your oven to 180°C / 350°F. Grease, flour and line 3 7-inch cake pans.

Mix together the soy milk and apple cider vinegar with a fork. Set aside for a few minutes to let it thicken.

Melt the vegan butter in the microwave and leave it to cool for a few minutes.

In a large bowl, mix together the flour, cocoa powder, bicarbonate of soda and caster sugar. Stir until there are no lumps left.

Add in the melted butter and the buttermilk from earlier and mix everything together to make a smooth cake batter.

Divide the cake batter evenly between the 3 cake pans and bake for 15-17 minutes, or until a toothpick through the middle comes out clean.

Leave the cakes in the pans for around 10 minutes then transfer them to a wire rack, remove the baking paper and let them cool completely.

For the chocolate truffle frosting:
Chop up the dark chocolate into small pieces and place them into a large heatproof bowl.

Place the whipping cream into a saucepan over a medium-low heat. Watch it carefully and remove it from the heat when it starts to bubble at the edges. Do not let it boil.

Pour the hot cream into the bowl of chopped chocolate and let it stand for a minute or two. Then mix it in and the chocolate will start to melt. Keep mixing until there are no lumps of chocolate left.

Place the mixture in the fridge for 30 minutes to let it stiffen. Then use an electric whisk or stand mixer to whisk until the frosting becomes light, airy and smooth. It should have the texture of a mousse.

Pipe or spoon the frosting onto your first cake layer and spread it out evenly. Place the next layer on top and repeat until all the cake layers are frosted.

Spread the rest of the frosting down the sides of the cake and use a palette knife and/or cake scraper to smooth it out evenly.

Top with fresh berries and a dusting of powdered sugar.

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