Wash lemon hot, rub dry. To decorate, peel off some of the peel in thin strips with a zest ripper. Finely grate the remaining peel. Squeeze the lemon. Mix quark, sugar, grated rind and 2 tbsp. juice.
Whip cream until stiff and fold in.
Mix the remaining lemon juice with 4 tablespoons of water and vanilla sugar. Spread half the lady fingers in a bowl. Drizzle half the juice mixture over them. 1⁄3 Spread the quark cream on top and spread the rest of the lady fingers on top.
Sprinkle with the rest of the juice mixture.
Spread 100 g raspberries on the lady fingers without defrosting. 1⁄3 Spread curd cream on top. First spread half the lemon curd, then the rest of the curd cream on top. Leave the trifle in the refrigerator for at least 2 hours.
Decorate with rest of lemon curd, 50 g raspberries and lemon zests.