190²µ/6¾´Ç³ú bran flakes, blended to a powder
675g/1lb 8oz golden syrup
250g/9oz plain flour, plus extra for dusting
100²µ/3½´Ç³ú caster sugar
pinch salt
pinch of salt
½ tsp salt
flaky sea salt, to finish
½ vanilla pod, seeds scraped
250g/9oz butter, softened
225g/8oz butter
225ml/8fl oz double cream
75ml/2½fl oz double cream
2 free-range eggs, beaten
1 large free-range egg yolk
250g/9oz mascarpone
150ml/5½ fl oz milk
190²µ/6¾´Ç³ú brioche crumbs