Whisk butter, vanilla sugar, salt and 225 g sugar with the whisk of the hand mixer. Beat the eggs little by little. Mix flour, baking powder, cocoa and almonds. Fold the flour mixture alternately with milk into the chocolate-butter mixture
Grease the fat pan of the oven (32 x 39 cm) well. Spread the dough evenly on it. Spread the frozen strawberries on the cake. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for approx. 35 minutes. Remove from the oven and let cool on a cake rack
Soak the gelatine. Mix curd and 150 g sugar in a bowl. Whip the cream with the whisks of the hand mixer until stiff. Squeeze the gelatine and dissolve. Stir 3 tbsp. quark into the gelatine, then stir into the rest of the cream. Carefully fold in the cream and spread the cream on the cooled base. Use a cake comb to make waves and refrigerate for at least 2-3 hours.
In a pot, mix the cake glaze, 8 level tablespoons of sugar and 750 ml of cold water with a wooden spoon. Bring to the boil briefly while stirring. Spread the icing on the cake and refrigerate for another 1 hour until the icing is firm.
waiting time approx. 4 hours