Cadbury Double Chocolate Custard Cream Cheese Buttercream Cake

METHOD

• 1

  Chocolate Cake

  Preheat the oven to 180 ºC Grease and line a deep 20cm springform cake pan.

• 2

  Place butter, sugar, Cadbury Bournville Cocoa, bicarbonate of soda, Cadbury Bournville and water in a large saucepan over medium heat.

• 3

  Bring to the boil, stirring until melted and combined, then reduce heat to medium-low and cook for 3 minutes or until smooth and slightly thickened. Set aside to cool for 10 minutes.

• 4

  Sift the flour and cornflour into the chocolate mixture and add eggs. Mix well.

• 5

  Pour into the pan and back for 30 minutes or until a skewer inserted into the centre comes out clean. Cool slightly, then turn out onto a wire rack to cool completely

• 6

  Cut the cake horizontally into 4 layers. Place one layer on a serving plate, spread with buttercream, repeating layering.

• 7

  Spread the remaining buttercream over the top and sides of the chocolate cake.

• 8

  Buttercream

  For the buttercream, fill a 20cm wide saucepan with 5cm of water and bring to a low simmer. Nestle a heatproof bowl (at least 25 cm wide) on top of the pan without touching the water.

• 9

  Put the Cadbury White chocolate and half of the butter in the bowl and place the bowl over the pan of simmering water. Heat until just melted, stirring occasionally

• 10

  Remove the bowl from the heat and swiftly whisk in the eggs, return to cook over the simmering water, whisking slowly, until it thickens (70 ºC).

• 11

  Remove from heat and cool at room temperature to lukewarm.

• 12

  Put the cream cheese in a bowl of an electric stand mixer and mix on medium speed for 5 minutes. Turn off the mixer.

• 13

  Add ¼ of the cooled chocolate custard to the cream cheese. Whisk on medium high speed until combined. Add the chocolate custard in 2 more batches.

• 14

  Add the remaining butter, piece by piece and whisk for a further 5 minutes until all the butter is incorporated and the buttercream is thick, fluffy and silken.

• 15

  Lastly, add melted dark chocolate and whisk in the vanilla.