Halve the lemon and squeeze the juice. Peel and quarter the pears and remove the core. Dice pear quarters finely and sprinkle with 1 tbsp lemon juice. Chop ginger finely
Cream fat, salt, sugar and vanilla sugar. Stir in the eggs one by one. Mix flour and baking powder, alternating with the milk. Halve the dough. Stir cocoa and ginger into one half and pear cubes into the other half. Grease a box form (25 cm long; 1 1/4 litre capacity) and dust with flour. First put the light, then the dark dough into the tin, pull it through spirally with a fork. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for 60-70 minutes (stick test)
Take out the cake and let it cool down for about 15 minutes. Turn onto a cake rack and let it cool down
Cream the cream cheese, icing sugar and 3 tbsp. lemon juice and spread loosely on the cold cake. Refrigerate the cake for another 30 minutes.
Waiting time approx. 1 hour