2 lemons, juice and finely grated zest
½ lemon, zest only
freshly squeezed lemon juice, to taste
8 tbsp golden syrup
½ tsp baking powder
90g/3¼oz caster sugar
30g/1oz caster sugar
2 tsp cornflour
115g/4oz self-raising flour, plus extra for dusting
1 vanilla pod, split lengthways and seeds scraped out
90g/3¼oz butter, softened, plus extra for greasing
2 free-range eggs
3 large free-range egg yolks
1–2 tsp milk
600ml/20fl oz full-fat milk