Have your cake and eat it too with this healthy version of an old favourite. By Nutritionist and Health Editor Melissa Fine Ingredients 4-6 mandarins (400g approx) plus 1 extra, to serve 6 eggs 1 ½ tsp baking powder ½ teaspoon bicarb soda 200g ground hazelnuts (hazelnut meal) 1 cup Natvia/Stevia 50g cocoa powder Method Place whole mandarins (including rind) in a saucepan of cold water and bring to the boil. Reduce to a simmer and cook for 2 hours. 2. Drain. When cool enough to handle, cut in half and remove pips. 3. Preheat oven to 180°C and spray a spring-form pan with oil. 4. Process mandarins in a blender, then add eggs, baking powder, bicarb soda, ground hazelnuts, Natvia and cocoa powder. Blend to a smooth batter. 5. Pour into prepared cake tin and bake for 45-60 minutes, until an inserted toothpick comes out clean. Allow to cool in tin. 6. Peel remaining mandarin, removing all the white pith, slice thinly and decorate cake.