Heat up the oil and butter in a pan, add the chicken and spring onions and fry on each side for 2-3 minutes until cooked through.
Pour in the chicken stock, cream cheese and bring to a boil for a couple of minutes until the sauce has thickened.
Add the dried herbs, and check if the chicken needs any more seasoning.
Remove from the heat and leave to go completely cold.
Unfold the pastry and fill and scatter the mozzarella then seal and crimp with a fork.
Bake in the preheated oven at 220°C for 15 - 20 minutes or until golden, then flipped it over for 10 minutes more
