Posh roast pork party kebabs

INGREDIENTS

• 2 kg boneless rolled higher-welfare pork loin, or 2x1kg higher-welfare pork loin joints, at room temperature
• 1 small bunch fresh rosemary, leaves picked, plus a few more small sprigs
• 3 heaped tablespoons fennel seeds
• sea salt
• freshly ground black pepper
• 3 cloves garlic, peeled and finely sliced
• 10 handfuls mixed salad leaves (such as baby chard, rocket, watercress and red or white chicory)
• 1 small bunch fresh flat-leaf parsley, leaves picked
• 2 fresh red chillies, deseeded and finely chopped
• 2 fresh green chillies, deseeded and finely chopped
• 500 ml fat free natural yoghurt
• 1 lemon
• extra virgin olive oil
• 10 pitta breads