400g/14oz carrots, peeled and grated
1 orange, finely grated zest only
2 tsp baking powder
1 tsp ground cinnamon
ground cinnamon, for dusting
50ml/2fl oz maple syrup
1 tsp mixed spice
275驳/9戮辞锄 self-raising flour
150驳/5陆辞锄 sultanas
200ml/7fl oz vegetable oil
150驳/5陆辞锄 walnuts pieces
25g/1oz walnut pieces, chopped
50g/1戮oz unsalted butter, softened
400g/14oz full-fat cream cheese
3 free-range eggs