Lighter chicken cacciatore - Good Food Middle East

Ingredients

• 1 tbsp olive oil
• 3 slices prosciutto, fat removed, chopped
• 1 medium onion, chopped
• 2 garlic cloves, finely chopped
• 2 sage sprigs
• 2 rosemary sprigs
• 4 skinless chicken breasts (550g total weight), preferably organic
• 150ml dry white wine
• 400g can plum tomatoes in natural juice
• 1 tbsp tomato purée
• 225g chestnut mushrooms, quartered or halved if large
• small handful chopped flat-leaf parsley, to serve