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Chocolate Hazelnut Swiss Roll

This Swiss roll recipe, using our Hazelnut Truffle bar, features perfectly light chocolate genoise sponge filled with a whipped chocolate hazelnut ganache that makes the most delicious and indulgent dessert to share with friends and family. And it‚Äôs easier to make than you might think! 

Chocolate Hazelnut Swiss Roll

Prep Time25 mins
Servings: 10 slices


Genoise sponge

  • 150 g aquafaba (liquid from a can of chickpeas)¬†
  • 1/4 tsp cream of tartar
  • 90 ml plant milk (Freya uses soya)¬†
  • 1 tbsp apple cider vinegar
  • 160 g plain flour¬†¬†
  • 190 g caster Sugar
  • 40 g cocoa powder¬†¬†
  • 1/2 tsp salt
  • 1/2 tsp baking powder¬†¬†
  • 1/4 tsp baking soda
  • 75 ml vegetable oil¬†
  • 2 tbsp Icing sugar for dusting¬†¬†

Whipped Cream

  • 100 g Rhythm 108 vegan hazelnut truffle bar
  • 75 ml vegan pouring cream¬†¬†


  • Preheat the oven to 180c fan. Grease and line a baking tray (roughly 33 x 25cm) with parchment paper.¬†
  • Pour the aquafaba and the cream of tartar into¬†a¬†bowl¬†and mix on medium high speed¬†with¬†a¬†stand or hand mixer¬†until stiff peaks are formed. This means the aquafaba doesn‚Äôt move even when tipped upside down.¬†¬†
  • Meanwhile, place the plant milk into the microwave for 1 minute to warm through, this can also be done in a pan over a medium heat on the hob. Add in the apple cider vinegar and stir, place to the side.¬†¬†
  • In a large mixing bowl, add the plain flour, caster sugar, cocoa powder, salt, baking powder and baking soda. Mix with a whisk until fully combined.¬†¬†
  • Add the oil and the milk/apple cider vinegar mixture to the dry ingredients and mix until fully combined. The mixture will be very stiff and dry at this point but that‚Äôs normal.¬†¬†¬†
  • Gently fold the aquafaba into the mixture one spoon at a time, trying not to knock too much air out. It will become a much looser mixture as you add more aquafaba.¬†¬†
  • Pour the mixture into the lined baking tray, and level out the top until smooth.¬†
  • Place in the oven for 12-15mins, until a skewer comes out clean. Whilst the sponge is baking, lay out a piece of parchment paper¬†slightly larger than¬†the¬†size of the sponge and cover with a light sprinkle of caster sugar.¬†
  • Once the sponge is fully baked, tip it out top side down onto the parchment covered in sugar.¬†Peel off the parchment paper on the bottom of the sponge.¬†¬†
  • Cover the sponge with a damp tea towel and leave to cool (this stops it from drying out)¬†
  • Meanwhile, for the filling, warm the cream until it is steaming (either 1-2minutes in the microwave or over a medium heat on the hob). Once the cream is steaming hot, break up your Rhythm 108 hazelnut truffle bar into chunks and place into the cream. Leave to stand for 1 minute, then stir until a glossy mixture is formed, with no lumps of chocolate.¬†¬†
  • Place this in the fridge to set. Once the ganache has hardened, place into a large mixing bowl, or the bowl of a stand mixer and whip up on medium high until you get a light and fluffy filling.¬†¬†
  • Once the sponge is cool, use a sharp knife to make an incision an inch into the short side of the sponge, being carefully to only cut half way into the sponge and not the full way through (this just makes it easier to roll).¬†¬†
  • Cover the sponge with the whipped ganache, spreading out as an even layer.¬†¬†
  • Gently but confidently roll up the sponge to form your perfect Swiss roll.¬†
  • Finish by cutting off the edges and dusting lightly with icing sugar.¬†


Rolling your Swiss roll 
Tape the end side of the parchment paper down so that it doesn’t move when you come to roll. Once rolled don’t panic if there are a few cracks…it looks just as perfect and will taste just as delicious! 

from a small bakery nestled on the foothills of the Swiss Alps, we use our creativity and patisserie skills to reinvent your favourite, most indulgent treats with wholesome and nutritious ingredients, so you never have to miss out on the fun!

This recipe was created with love, by

Freya Cox

British Bake off star Freya Cox is an expert baker, making mouth-watering plant based desserts that are just as indulgent and delicious as any other. Freya will be showcasing her skills in a series of bakes over the coming months, so keep an eye out for even more delicious treats.