Step 1

Combine flour, sugar, and butter. Add the egg and mix until dough forms. Chill for 30 minutes.

Step 2

Beat quark, cream, eggs, sugar, pudding powder, and lemon zest until smooth.

Step 3

Roll out the dough and press into a greased springform pan. Pour in the filling.

Step 4

Bake at 350°F (175°C) for 50-60 minutes. Cool in the oven with the door ajar, then refrigerate.