600g/1lb 5oz fresh or frozen blueberries, defrosted
210²µ/7¼´Ç³ú plain flour, plus extra for dusting
40²µ/1½´Ç³ú caster sugar
75²µ/2¾´Ç³ú ground almonds
75²µ/2¾´Ç³ú icing sugar, sifted
pinch salt
1 tsp vanilla extract
100²µ/3½´Ç³ú butter, chilled and diced
single cream or crème fraîche, to serve
150ml/5fl oz double cream
1 free-range egg, beaten
2 free-range eggs, beaten