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Ingredients

  • 200 g butter
  • 240 g sugar
  • 1 tsp lemon juice
  • 6 eggs
  • 1 pinch of salt
  • 280 g flour
  • 100 ml milk
  • 200 g black chocolate

Instructions

  • Place softened butter and sugar into large mixing bowl. Mix, using hand mixer or stand mixer on medium speed for 1-2 minutes.
  • Beat egg whites until stiff peaks form.
  • Add egg yolks to butter.
  • Add flour alternately with the stiff egg white, then add milk and salt and mix until the mixture is smooth.
  • Divide the mixture between 2 bowls.
  • Break chocolate and place into a heatproof bowl. Sit over a pan of barely simmering water (a bain marie) and allow the chocolate to melt, stirring occasionally.
  • Stir melted chocolate into the mixture in one of the bowls.
  • Take 2 spoons and use them to dollop the chocolate and white cake mixes into the tin alternately.
  • Bake the cake for 50-55 mins at 160 degrees until a skewer inserted into the centre comes out clean.