Defrost the raspberries in a bowl for about 1 hour. Put some nice raspberries on kitchen paper for decoration. Cream fat, sugar, salt and vanilla sugar with the whisk of the hand mixer.
Stir in the eggs one by one. Mix flour and baking powder and stir in 150 ml egg liqueur alternately. Puree 200 g raspberries.
Cut the dough in half. Stir into one half of the raspberry puree, carefully fold in the remaining raspberries. Fill the raspberry dough into a greased springform pan with a tube bottom insert (26 cm Ø), spread the rest of the dough on top and swirl lightly with a fork.
Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for approx. 45 minutes. Take out and let cool down.
Whip the cream with the whisks of the hand mixer until stiff. Carefully remove the cake from the tin and place it on a cake plate. Pour cream into the middle of the cake, decorate with raspberries and 25 ml advocaat.