300驳/10陆辞锄 blackberries
300驳/10陆辞锄 blueberries
400g/14oz raspberries
250g/9oz caster sugar
icing sugar, for dusting
250g/9oz self-raising flour
100驳/3陆辞锄 butter, melted and cooled, plus extra for greasing
900ml/1陆 pints double cream
8 eggs