Cut the bottom in half. Place the bottom side in a mold and line the inside of the rim with, for example, plastic wrap.
plastic wrap. Mix together the quark, sugar, vanilla sugar, salt, lemon juice and zest.
Whip the cream until stiff.
Dissolve the gelatine in the water and allow to swell.
Then heat the gelatine, dissolve in water and add to the dissolve in water and add to the curd mixture. When the mixture starts to stiffen, fold in the whipped cream.
Pour the mixture on the base and put the lid on. Refrigerate the cake for about 12 hours.