Quick And Easy Jujube Cheddar Strudel

1 pie pastry
5 oz jujubes (chinese dates), stems removed and halved
1 sweet onion, chopped very fine
1 cup grated Cheddar cheese
1 egg, beaten

Preheat oven to 400 degrees.
Lay pastry out onto a floured work surface, and roll out thin.
Fold the pastry into thirds and roll out thin again.
In a bowl, put the jujube, onion, and cheese and stir together until mixed well.
Evenly spread this mixture over half of the pastry, lengthwise.
Brush all the edges of the pastry with half the beaten egg.
Fold the pastry over the filling and press the edges closed.
Cut little slits diagonally in the top of the pastry and brush the top with the remaining beaten egg.
Set pastry on a baking sheet and bake for 40 to 45 minutes or until golden brown.
Remove from oven and let cool slightly before slicing.
Serve warm or cold as a lunch, snack, or a light dinner.