Grease a fat pan (approx. 32 x 39 cm; at least 3.5 cm deep) and dust with flour. Pour cream into a mixing bowl
Knead 450 g flour, 225 g sugar, 1 packet of vanilla sugar, 1 pinch of salt, butter in flakes and 2 egg yolks first with the dough hooks of the hand mixer and then briefly with your hands to form crumbles. Coarsely chop the almonds
Add 225 g sugar, 1 sachet vanillin sugar and lemon zest to the cream and beat until semi-stiff. Stir in 5 eggs individually. Mix 450 g flour and baking powder and stir in briefly. fold in grated chocolate and 3/4 almonds
Spread the dough on the fat pan. Sprinkle crumbles and remaining almonds on top. Bake in the preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 35 minutes. Let them cool down. Dust with icing sugar