Cook chicken, onion, celery and potatoes in water with boulion cube added for 10 minutes
Use 2/3 of the Pastry to line a 9 inch deep dish pie pan. Sprinkle the flour onto the bottom of the pastry. Move the filling from the broth to the lined pie plate with a slotted spoon and top with the rest of the pastry.
Bake at 425° F. for 15 minutes reduce heat to 350° F. for about 30 minutes.
Use the broth to pour over the individual servings for moisture.