Wash the mandarins and add the whole mandarins (zest and all!) to a food mixer or blender.
Blend until you have a fruit puree
Then add the eggs, oil, and mix.
Then add the sugar and blend.
Add the self-raising wholemeal flour and mix well.
Pour the mixture into a cake tin or bread tin. cooking time: 30-35 minutes at 180 °C or until if you insert a knife comes out clean..
Let the cake cool down to room temperature.
for the icing:Mix 4 tablespoons of icing sugar with a few drops of clementine juice, but you can replace it with orange or lemon juice|, until you get a nice viscous consistency.Pour over the top of the cake with a spoon.Grate mandarin zest or orange zestAnd decorate