INGREDIENTS
- 350 g self-raising flour
- 350 g caster sugar
- 350 unsalted butter, softened
- 6 large eggs, beaten
- 4 tbsp milk
- 1 tsp vanilla essence
- 50 g cocoa powder
- Pinch of salt
- 125 ml whipping cream
- 50 g unsalted butter
- 175 g white chocolate
- 300 ml whipping cream
- 300 g dark chocolate
PREPARATION
- Beat the butter until creamy. 
- Gradually add sugar and vanilla and keep beating until very light and fluffy. 
- Gradually add eggs, a tablespoon at a time, beating well after each addition. 
- Sift the remaining flour and add salt into the bowl and gently fold in using a large metal spoon until you can no longer see any streaks of flour. 
- Divide the mixture into two and sift cocoa into one of the bowls and add 2 tbsp of milk. Fold until completely blended. 
- Pipe the mixture into two separate piping bags with plain tube nozzles. Start piping. 
- Pipe a ring of chocolate mixture around the inside edge of the tin, then pipe vanilla. Then fill a second tin, starting with a ring of vanilla mixture, then pipe chocolate. 
- Then a third with the chocolate followed by vanilla. Then bake for 20 minutes at 180 degrees. 
- White ganache: 
 Heat the cream and the butter until hot (don’t boil).
- Pour it over the chocolate and leave for a couple of minutes. 
- Stir gently until it all comes together into a glossy mixture. 
- Prepare the dark chocolate in exactly the same way (minus the butter). 
- Set one sponge with a chocolate outer ring upside down on a cake board or plate. 
- Spread with half of the white ganache then set the sponge with the vanilla outer sponge on top. 
- Spread with the remaining white ganache. Top with third sponge. 
- Cover the top and sides of the cake with dark chocolate ganache then and leave to set. 
 
                            