Saucisson En Croute

Directions

1. 1
   Preheat oven to 425 degrees F. Beat the egg with the water and set aside.
2. 2
   Cut the kielbasa into 8 (3-inch) long pieces and set aside.
3. 3
   On a lightly floured surface roll the pastry sheets into 12 by 12-inch squares.
4. 4
   Cut the sheets into 8 equal squares.
5. 5
   Brush 1 square with water around the edges and wrap a sausage up in the pastry.
6. 6
   (First fold the 2 long sides over the sausage, then fold the ends up and over.
7. 7
   Press edges firmly to seal.)
8. 8
   Place seam side down on a parchment-lined sheet pan.
9. 9
   Brush the tops and sides of the packages with egg wash and bake until browned and shinny, about 25 minutes.
10. 10
    Transfer to a rack and cool for 20 minutes, before serving.
11. 11
    They can be served warm or at room temperature with assorted mustards.