300²µ/10½´Ç³ú blackberries (or frozen blackberries)
5 pears, peeled and left whole
180²µ/6½´Ç³ú plain flour
150²µ/5½´Ç³ú caster sugar
40²µ/1½´Ç³ú caster sugar
110g/4oz demerara sugar
110g/4oz butter, cubed, plus extra for greasing
150ml/5½fl oz double cream
4 free-range egg yolks
150ml/5½fl oz milk