For the cake, place the whole orange in a small saucepan, cover with boiling water and boil for 30 minutes, or until soft. Leave to cool. When the orange is cold, cut in half and remove any pips.

Put the flour, almonds, raisins, walnuts, mixed spice and bicarbonate ... To make the frosting, stir the cheese and orange zest together. Spread evenly over the cake. Cut into small wedges to ...