200g/7oz green vegetables, such as leek, celery, green pepper, etc. roughly chopped (see tips below)
1 unwaxed lemon, zest only
1 onion, finely chopped
500g/1lb 2oz leafy greens, stalks removed and shredded (see tips below) (kale, spinach, chard etc)
salt and freshly ground black pepper
60g/2¼oz soft herbs (any or a mixture of coriander, dill, parsley, mint, or celery leaves), chopped
6 tbsp olive oil
200g/7oz cheese (a mixture of feta, halloumi, cheddar, ricotta, cream cheese or goats’ cheese – most semi-hard cheeses will work), grated if necessary
2 free-range eggs, beaten
250g/9oz filo pastry