600g/1lb 5oz pitted frozen dark cherries
225g/8oz plain flour, plus extra for dusting
1 tbsp cornflour (or 1 tbsp arrowroot)
45²µ/1ΒΎ΄Η³ϊ caster sugar
1 tsp caster sugar
2 tbsp icing sugar
pinch salt
15²µ/Β½΄Η³ϊ butter
120g/4ΒΌoz fridge-cold butter, cut into 1cm/Β½in cubes
1 free-range egg, beaten with 2 tsp very cold water
1 free-range egg, beaten
cream, ice cream or custard, to serve