Clean, peel and grate the carrots. Cream fat, sugar and vanillin sugar. Stir in eggs one after the other. Mix flour and baking powder and stir in alternately with the low-fat yoghurt. Fold in grated carrots. Spread the dough evenly on a greased baking tray (approx. 35 x 30 cm). Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 15-20 minutes.
Peel oranges so that the white skin is completely removed. Cut each orange into 8 slices. After 10 minutes baking time, spread the slices on the cake. Let the finished cake cool down. Heat the orange marmalade and pass it through a sieve. Spread the cake with it. Spread vanilla yoghurt on the orange slices and sprinkle with pistachios
Waiting time about 30 minutes