If you are avoiding refined sugar, try Mary's take on carrot cake which uses agave syrup and maple syrup as sweeteners. You will need two 20cm/8in cake tins, a piece of muslin or a thin cleaning ...
Use your fingertips to rub the zest into the sugar until it resembles wet sand. Pour in the oil and stir ... tin and bake for 45-50 minutes until the cake is a deep golden brown and a skewer ...