250g/9oz fresh or frozen blackberries
1 tbsp lemon juice
4 tbsp freshly squeezed lemon juice
125²µ/4½´Ç³ú plain flour
1–2 tbsp caster sugar, to taste
4 tbsp caster sugar
pinch salt
1 tbsp vegetable oil, plus extra for cooking
clotted cream or vanilla ice cream
1 free-range egg, beaten
300ml/½ pint milk
2–3 tbsp vodka (optional)