Step 1

Step 1 Pre-heat the oven to 180C.

Step 2

Step 2 Sieve together all the dry ingredients (flour, sugar, cocoa powder, baking soda, and salt) in a large mixing bowl.

Step 3

Step 3 Warm up the plant milk. 60 seconds in the microwave should be enough.

Step 4

Step 4 Add the apple cider vinegar to the milk to make a “buttermilk”. Leave to curdle for 10 minutes.

Step 5

Step 5 While you wait, line your 8-inch cake tin with parchment paper.

Step 6

Step 6 Add the wet ingredients (vegetable oil and brewed coffee) to the buttermilk.

Step 7

Step 7 Create a well in the dry ingredients and pour the wet ingredients in. Whisk together until fully incorporated. Be careful not to overmix.

Step 8

Step 8 Pour the cake batter into the cake tin and put in the oven for 35-40 minutes. Use a toothpick at the 35-minute mark to see if it is cooked (should come out clean after a few pokes).

Step 9

Step 9 Take out of the oven and leave to cool for a few hours.

Step 10

Step 10 Once cooled, take the cake out of the tin and, using a wire cutter or serrated knife, cut the cake into two even layers.

Step 11

Step 11 Leave one layer in the base of the cake tin, ready for the mousse to be poured on top.

Step 12

Step 12 Mousse layer: In a food processor, add all the ingredients except for the chocolate. Blitz until smooth.

Step 13

Step 13 Melt the chocolate using a bain-marie or in the microwave using 30 second bursts.

Step 14

Step 14 Pour the melted chocolate into the food processor and blitz until it’s fully incorporated.

Step 15

Step 15 Pour the mousse onto the bottom cake layer in the tin. Place the cake tin in the fridge for 20 minutes to set.

Step 16

Step 16 Place the top cake layer on the mousse and leave the whole cake to set in the fridge for at least 1 hour.

Step 17

Step 17 Ganache: Meanwhile, heat up the soy cream or milk in saucepan on low heat. When it starts to simmer, pour it onto the 100g of chocolate and set aside for 5 minutes to melt.

Step 18

Step 18 Stir in the chopped hazelnut pieces and then pour the ganache layer on top of the cake.

Step 19

Step 19 Cut and serve!