1. defrost puff pastry slices one by one. Mash the feta cheese with a fork. 2.
2. heat the fat and sweat the flour in it. gradually pour the milk while stirring and bring to a boil once. Season with salt and pepper and cool, stirring from time to time.
3. now stir the eggs one by one into the sauce and finally the cheese.
4. 5 slices of puff pastry on top of each other and roll out thinly on a lightly floured surface. Cut 6 round bottoms of about 24 cm ø out of it. Spread a thin layer of butter on the tops. 5.
5. butter the bottom of a cake springform pan (24 cm ø) and spread with a pastry sheet. Spread with cheese mixture and cover with a pastry sheet. Continue like this until the filling and dough are used up. The top layer consists of a pastry sheet. Prick it a few times with a fork. 6.
Bake in a heated oven (175 degrees Celsius, gas mark 2) for about 45 minutes.
To serve, cut into pieces like a cake and bring to the table warm (but also tastes cooled). To this tastes leaf salad.