4 tbsp orange blossom water
425g/15oz plain flour
75g/2¾oz blanched almonds or walnuts
½ tsp baking powder
125²µ/4½´Ç³ú icing sugar, plus 250g/9oz for dusting
fine sea salt
250g/9oz butter, at room temperature, cubed
1 free-range egg yolk
2 tbsp brandy