Fry onion and garlic.
Add chicken to the pan and then the seasonings.
When chicken is cooked add flour and cook for 5 mins.
Add milk and let thicken. Can add water to thin if needed.
Add frozen veg let cool and cover with puff pastry.
Bake in a preheated oven at 200C/180C(fan) for 35-40 minutes or until golden brown
Make sure pan is oven safe if making in one pan, if not then you can add the filling into a baking dish and then top with pastry
