4 tbsp chopped dill
1 leek, thinly sliced
150g/5oz button mushrooms, thinly sliced
4 tbsp chopped parsley
4-5 spring onions, thinly chopped
freshly ground black pepper and a little salt
a little freshly ground nutmeg
2 tbsp olive oil
olive oil, for brushing
large knob of butter
4-6 tbsp double cream
150g/5oz feta cheese, crumbled
200g/7oz filo pastry
225g/8oz boneless cooked chicken, shredded