Cream fat, salt, sugar and vanillin sugar. Stir in the eggs one by one. Mix flour and baking powder alternately with the milk. Coarsely chop the nut kernels. Wash the oranges in hot water and grate them dry.
Finely grate 1 orange peel. Halve the orange, squeeze one half. Halve the dough. Stir in half the cocoa and 2/3 of the nuts, stir in the orange peel and juice under the other half. Grease a box form (25 cm long; 1 1/4 litre capacity) and dust lightly 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). Let the cake cool down for about 15 minutes. Turn out onto a cake rack and let it cool down. Melt the nut icing in a water bath according to the instructions on the packet.
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). Let the cake cool down for about 15 minutes. Turn out onto a cake rack and let it cool down. Melt the nut icing in a water bath according to the instructions on the packet. Tear off the zest of 1 orange peel. Cover the cake with nut icing, decorate with the remaining chopped nuts and orange peel, allow to set
waiting time approx. 1 1/4 hours