For the batter, melt the nut nougat in a water bath and let it cool down.
Stir margarine / butter until creamy, add sugar and vanilla sugar and whisk vigorously for 4 minutes. Mix in the eggs one by one. Add the mascarpone and salt. Mix the flour with the baking powder and stir in alternately with the cream and 3 tablespoons of milk.
Grease a bundt pan (22-24cm diameter), dust with flour if necessary and fill in half of the dough.
Add the nut nougat to the other half and stir in vigorously with the remaining 3 tablespoons of milk.
Place the dough on the light colored dough and pull through in a spiral with a fork.
Bake in the preheated oven at 175 ° C for about 50 minutes. Chopstick sample! Let cool down a little in the tin, then take out and let cool down completely. Serve dusted with powdered sugar.