Mary Berry and Paul Hollywood make a delicious sugar free carrot cake using agave syrup and maple syrup as sweeteners on The Great British Bake Off Masterclass 2015.
The ingredients are: 200ml vegetable oil, 3 free-range eggs, 175ml agave syrup (also known as agave nectar), 400g carrots, peeled and grated, 275g self-raising flour, 2 tsp baking powder, 1 tsp ground cinnamon, 1 tsp mixed spice, 150g sultanas, 150g walnuts pieces and 1 orange, finely grated zest only.
For the frosting: 400g full-fat cream cheese, 50g unsalted butter, softened, 50ml maple syrup, 25g walnut pieces, chopped and ground cinnamon, for dusting.