01 -
Preheat your oven to 400°F and place the oven rack in the center.
02 -
Line a baking sheet with parchment paper.
03 -
In a mixing bowl, blend cream cheese, powdered sugar, vanilla, egg yolk, and salt until smooth and creamy.
04 -
Lay out the puff pastry on the baking sheet, cutting it along its seams into three equal strips, then cut those strips in half.
05 -
Use a fork to prick around the edges of each pastry rectangle, leaving a half-inch border to prevent the middle from puffing.
06 -
Spoon 2 heaping tablespoons of the cream cheese mixture onto each pastry piece, spreading it evenly and keeping the borders clean.
07 -
Lightly beat the egg white until frothy and brush it along the edges of the pastries for a shiny finish.
08 -
Bake for 10 minutes, then rotate the baking sheet and bake for an additional 5-10 minutes until golden brown.
09 -
Remove pastries and let them cool on a rack.
10 -
Mix together powdered sugar, vanilla, and milk for the icing, and drizzle over the cooled pastries before serving.