Chicken Bacon Pie

First, I must tell you I was out of flour for the last two weeks.As soon as I bought the flour,I can't wait to bake.This chicken pie was my first attempt.It’s much better than frozen as far as I’m concerned.This one is close to the “real” thing. . So, this is my family and friends favorite.
Recipe
Ingredients

Pastry
21/2 cups Flour
1 cup Unsalted Butter
1 egg - beaten
1/4 cup cold water
1 Tbsp white vinegar
1/2 tsp. salt

Method
1.Cut butter and add into flour rub till mixture resembles fine crumbs.
2.Mix egg,vinegar and salt into flour and butter
3.Add water bit by bit to form a dough.
4.Put in the fridge for 15 minutes.

Filling
50g Bacon,diced
3 chicken thighs/breasts,boiled and diced
5 button mushrooms,cut into cube small size
4 Tbsp Onion, diced
1 Tbsp oil
1 Tbsp butter
3 Tbsp plain flour
½ tsp salt or to taste
1 tsp pepper
¾ tsp Chicken stock
5 Tbsp water
1 egg, lightly beaten

Method
1.Heat oil and butter in a non-stick saucepan and fry the onion until fragrant.
2.Add chicken,ham,mushrooms and seasoning.
3.Add the water,flour and simmer until the gravy thickens.
4.Set aside to cool.
5.Roll out the pastry to 3mm thick.
6.Cut into round shape for the bottom and top shell enough to cover your small pie dish.

7.Stick pastry on bottom,and add a spoon filling into it.
8.Place a pastry on top and cut around edges so that it matches the shape of the pie dish.
9.Put a little hole in the top with a fork and brush with egg wash.
10.Bake in the oven for about 30 minutes or till cook.360'F