300驳/10陆辞锄 blackberries (or frozen blackberries)
5 pears, peeled and left whole
180驳/6陆辞锄 plain flour
150驳/5陆辞锄 caster sugar
40驳/1陆辞锄 caster sugar
110g/4oz demerara sugar
110g/4oz butter, cubed, plus extra for greasing
150ml/5陆fl oz double cream
4 free-range egg yolks
150ml/5陆fl oz milk