Cut the puff pastry roll into 16 triangles.
Spread a little Philadelphia on each triangle.
Add a slice of cooked ham on each triangle.
Roll up each triangle starting from the base to form a croissant.
Brush the croissants with the egg yolk mixed with a little milk.
Sprinkle the croissants with the seeds.
Bake in a preheated oven at 180 degrees for about 20 minutes.
Procedure shown in the original video on Instagram.
Italia, Emilia Romagna