We'll tell you how to tell these two citrus fruits apart. The first and most obvious difference is the size of the fruit.

You can use any kind of small citrus fruit for this cake. Place the clementines in a saucepan and cover with water. Bring to the boil and simmer gently for 20–30 minutes until tender.

To prepare the clementines, remove the skin and pith using a sharp knife, following the contour of the fruit. Then slice each clementine across the middle horizontally to make 3 rounds each 5 ...