• 350g/12¼oz unsifted flour
  • 1 tsp bicarbonate of soda
  • 1 tsp salt
  • 225g/8oz butter
  • 175g/6¼oz caster sugar
  • 175g/6¼oz soft brown sugar
  • 1 tsp vanilla extract
  • 2 eggs
  • 350g/12¼oz dark chocolate, crumbled



  • Preheat the oven to 190C/375F/Gas 5.
  • In a bowl, combine the flour, baking soda and salt.
  • In another bowl, combine the butter, sugar, brown sugar and vanilla extract until creamy.
  • Beat in the eggs.
  • Gradually beat in the flour mixture.Stir in the chocolate.
  • Split the pliable dough into two halves, rolling each out into sausage shapes, approximately 5cm/2in in diameter.
  • Wrap them in cling film and transfer to the refrigerator until ready to use.
  • When you are ready to bake the cookies, simply cut the log into slices 2cm/¾in thick and lay on a baking tray, widely spaced apart. Bake for 9-11 minutes. Serve.