Kaeskueche

Combine 250 g wheat flour, 125 g butter, 60 g cold water, and 3 g salt to form a smooth dough.

Roll out the dough and press it into a greased tart pan, chilling for 30 minutes.

Whisk 500 g quark, 150 g sugar, 180 g eggs, 100 g crème fraîche, 20 g cornstarch, 2 g lemon zest, and 5 g vanilla extract until smooth.