500g/1lb 2oz fresh raspberries or blackcurrants, rinsed
225²µ/Β½±τ²ϊ caster sugar
50g/2oz caster sugar
1 vanilla pod, split, seeds scraped out with a knife
600ml/1 pint 1fl oz double cream
10 large free-range egg yolks
600ml/1 pint 1fl oz full-fat milk