Serves: 6-8 Prep & Cook: 3 hours, 15 mins Ingredients Melted unsalted butter, for greasing ½ cup golden syrup, plus extra to serve 150g unsalted butter, chopped, at room temperature ¾ cup caster sugar 1 tsp finely grated orange rind 2 tsps vanilla extract 3 eggs 1½ cups self-raising flour ¹⁄³ cup milk Whipped cream, to serve