Preheat your oven to 350 degrees F.
Roll out the puff pastry dough on a floured surface until very thin. Make a long rectangle.
In a bowl, mix together two eggs, the feta and other cheese of choice plus salt to taste.
Spread the mixture on the rolled out puff pastry dough.
Roll up the dough into a long cylindrical log.
Cut into pieces using the edge of a plate into two inch pieces
Put a large pot of water on to boil.
Add in the pieces and cook for 5 minutes, remove with a slotted spoon and place into a greased glass dish or individual serving size dishes.
Mix together 1 eggs, sour cream and salt to taste.
Pour over the pieces and cook for about 30 minutes until golden brown.
Enjoy!