3 large basil leaves
100²µ/3½´Ç³ú frozen blueberries (wild, if available)
50²µ/1¾´Ç³ú blueberries
1 tbsp lemon juice, plus extra if needed
275²µ/9¾´Ç³ú plain flour, plus extra for dusting
1 tsp baking powderÌý
½ tsp bicarbonate of soda
100²µ/3½´Ç³ú caster sugarÌý
200–225²µ/7–8´Ç³ú icing sugarÌý
½ tsp saltÌý
pinch saltÌý
¼ tsp vanilla bean paste
1 tsp vanilla extractÌý
vegetable oil, for deep-frying
30g/1oz unsalted butter, melted
100ml/3½fl oz buttermilk
4 large free-range egg yolks