1 orange, juice and zest
225g/8oz golden syrup
4 tsp ground ginger
150g/5oz icing sugar
225g/8oz light muscovado sugar
225g/8oz self-raising flour, sifted
225g/8oz wholemeal self-raising flour, sifted
2 tbsp stem ginger (from a jar), chopped
225g/8oz black treacle
225g/8oz butter, softened
2 free-range eggs, beaten
300ml/10陆fl oz milk