300²µ/10½´Ç³ú blackberries, chopped
30g/1oz plain flour
½ tsp baking powder
220g/7¾oz golden caster sugar
100²µ/3½´Ç³ú caster sugar
40²µ/1½´Ç³ú demerara sugar
30g/1oz ground almonds
20ml/¾fl oz neutral oil (such as vegetable or sunflower)
30g/1oz pistachios, chopped
20²µ/¾´Ç³ú pistachio paste
pinch sea salt
200g/7oz self-raising flour
1 tsp vanilla bean paste
230g/8oz unsalted butter, plus extra for greasing
20ml/¾fl oz double cream
250ml/9fl oz double cream
4 free-range eggs
5 free-range egg yolks
250ml/9fl oz full-fat milk