– Soak gelatin in cold water.
– Combine egg yolks, lemon zest, sugar and milk in a pan. Mix very well.
– On medium heat warm while stirring continuously until you see that it is thickening (don’t bring to boil!).
– Squeeze all water out of the gelatin, add to filling, mix until dissolved.
– Pour filling through a sieve to remove clumps.
– Add quark into a large bowl and combine with filling. Mix until you get a smooth cream.
– Beat heavy cream until firm.
– Combine with filling by using a spatula.
– For the bottom layer place one of the biscuit cakes into a cake ring.
– Fill in the filling.
– Place second biscuit cake on top.
– Let sit in fridge over night so the filling can get firm.
Before serving dust with powdered sugar
