1) Boil chicken, let it cool a little then shred it.
Melt butter in pan
2) Add onions and sauté until they soften
3) Then add the flour, salt and pepper, cook for 2 minutes
4) Add milk and stir
5) Once the mixture thickens add the chicken, mix and then leave to cool
6) Add the peppers and cheese once the mixture has cooled down
7) Roll out pastry and use round cutters to cut out the circles. You'll need two for each patty.
8) Swipe the bottom layer with egg wash, add the chicken mixture in the middle, then add the top layer and make sure all sides are stuck down. Egg wash the top layer.
9) Preheat oven to gas mark 5, add the patties and then cook until they go golden brown in colour.