Grease the springform pan with the tube sheet insert (26 cm Ø) and sprinkle with breadcrumbs. Cream fat, 200 g sugar, 1 packet of vanilla sugar and 1 pinch of salt. Stir in the eggs one by one. Mix flour, starch and baking powder and stir in alternately with the milk. Spread into the mould. Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for 35-40 minutes. Let cool down
Soak the gelatine in cold water. Cut the cake twice horizontally. Drain the apricots. Mix quark, mascarpone, lemon juice, 125 g sugar and 1 packet of vanilla sugar. Whip cream until stiff
Squeeze out the gelatine and dissolve over a mild heat. Stir in 2 tablespoons of mascarpone cream, then stir into the remaining cream. Fold in the cream. Remove 1/4 of the cream and fold in the poppy seed baking mixture
Spread half of the poppy seed cream on the lower base. Spread the apricots, up to about 12 halves, on top. Spread the rest of the poppy seed cream on top. Place 2nd base on top, spread with 1/3 mascarpone cream. Lay the 3rd base on top. Spread the rest of the cream, up to approx. 3 tablespoons, on the wreath
Cut out stars from the rest of the apricots. Decorate the wreath with the remaining cream, stars and poppy seeds. Chill for about 4 hours.