Yorkshire parkin Serves: 6 Ingredients 175g butter 175g muscovado sugar 100g black treacle 75g golden syrup 175g oats 175g plain flour 5g bicarbonate of soda 10g ground ginger 5g mixed spice 2 eggs 100ml milk Instructions Line an 18cm square cake tin and preheat oven to 140C/Gas 1. Put butter, sugar, treacle and syrup in