Roll out the dough to a thickness of 3-4 mm and spread with jam.
Roll the dough with the filling into a roll and cut into small pieces 3-4 cm wide.
Place the puff pastries in a baking dish lined with parchment paper. Brush them with egg and leave for 5 minutes.
Leave the puff pastries in the oven for about 15-20 minutes at 180 degrees.
The puff pastries are ready to serve. Enjoy your meal!