Chicken Ham and Leek Pie

Chicken
British
Pie
Meat
Chicken Ham and Leek Pie
Chicken Stock450ml
Chicken Breast3
Butter75g
Leek2 sliced
Garlic2 cloves minced
Plain Flour50g
Milk200ml
White Wine3 tbs
Double Cream150ml
Ham150g
Sea Saltspinkling
Pepperpinch
Plain Flour350g
Butter200g
Free-range Egg, Beaten1
Cold Water1 tbls
Free-range Egg, Beaten1