Mix flour, gingerbread spice, baking powder, honey, egg and sugar in a bowl. Melt the fat in a saucepan and add milk. Add milk and fat mixture to the dough mixture and knead first with the dough hooks of the hand mixer, then with your hands to a smooth dough
Roast the hazelnuts on a baking tray in a preheated oven (electric cooker: 175 °C/ circulating air: 150 °C/ gas: see manufacturer) for approx. 8 minutes until golden brown. Cut figs and dates into quarters and fold into the dough together with the nuts
dust the dough with flour and let it rest in a bowl covered with a damp cloth for about 1 1/2 hours
Pour the dough into a box form lined with baking paper (25 cm long, 1.5 litres capacity) and press down lightly. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: see manufacturer) for 40-45 minutes on the lower shelf. If necessary, cover the last 15 minutes with aluminium foil. Carefully turn out of the tin and let it cool down on a cake rack
Dust with icing sugar before serving
waiting time approx. 3 hours