Defrost the berries. Line the bottom of a springform pan (26 cm Ø) with baking paper. Separate the eggs. Beat the egg whites and 1 pinch of salt until stiff, adding 100 g sugar and 1 packet of vanilla sugar. Fold in the egg yolks one by one.
Sift flour, starch and baking powder on top and fold in. Brush into the mould. Bake in the preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 15 minutes. Cool down.
Soak gelatine in cold water. Mash the berries, pass through a sieve. Mix with quark, 150 g sugar and 1 packet of vanilla sugar. Squeeze the gelatine and dissolve over low heat.
Stir in 3 tablespoons of cream and then stir into the rest of the cream. Whip 250 g cream until stiff and fold in.
Cut the sponge in half horizontally. Close a cake ring around the lower cake base. Spread the cream on top. Place the second cake layer on top. At least one cake ring.
Keep cool for 6 hours. Roast the almonds without fat until golden yellow. Cool down.
Whip 350 g cream until stiff. Pass the jelly through a sieve. At 2⁄3 lift the cream. Spread the cake with it. Press the almonds to the edge of the cake. Pour the rest of the cream into a piping bag with a small nozzle and use it to spray small flowers onto the cake.
Decorate with sweets and berries.