Mix 200 g flour, 1 teaspoon baking powder and 1 pinch of salt. Put 100 g margarine, 75 g sugar and 1 egg in a mixing bowl and mix with the dough hook on the hand mixer. Knead the rest with your hands to form a smooth dough.
Line a size 26 springform pan with baking paper and grease the edge. Press the dough into the mold and form a 5 cm high rim. Put something into the fridge.
Preheat the oven to 220 ° C (top / bottom heat, convection: 200 ° C). Melt 100 g margarine in a saucepan over low heat. Put the liquid margarine, 500 g cream cheese, 200 g Cremefine, 75 g sugar, 250 g Nutella and the pudding powder in a bowl and whip creamy with the electric hand mixer. Stir in the 3 eggs one after the other.
Pour the mixture into the mold, smooth the surface. Bake the cheesecake in the preheated oven for 15 minutes. reduce the oven temperature to 120 ° C (convection: 100 ° C) and bake the cake for another 45 minutes.
Then turn off the oven and let the cheesecake cool in the oven for 1 hour with the oven door closed. Then open the oven door and let the cake cool for another 15 minutes.
Stir 90 g Nutella with the remaining Cremefine until smooth. Spread on the cake and chill in the refrigerator for another 2 - 3 hours.