300驳/10陆辞锄 caster sugar
350g/12oz icing sugar
300驳/10陆辞锄 self-raising flour
1 tbsp vanilla extract
2 tsp vanilla extract
crushed malted milk balls, sprinkles or other chocolates, to decorate
300驳/10陆辞锄 unsalted butter, softened, plus extra for greasing
175g/6oz unsalted butter, softened
6 free-range eggs
2 tbsp milk