75²µ/2½´Ç³ú plain flour
25g/1oz plain flour
75²µ/2½´Ç³ú caster sugar
20²µ/¾´Ç³ú cornflour
1 vanilla pod, seeds only
200g/7oz plain chocolate (around 36% cocoa solids) broken into pieces
60²µ/2¼´Ç³ú butter, cut into cubes
150ml/5fl oz double cream
2 free-range eggs, lightly beaten
6 medium free-range egg yolks
500ml/18fl oz full-fat milk