Add 1tbsp of rapeseed to a pan. Place on a high heat and fry the turkey breasts for 2-3 minutes on both sides. Set aside.
Next, fry the onion for a few minutes add then add the garlic, chilli and the red peppers. After a couple of minutes, add the passata and tomatoes, olives and dried herbs. Season with the salt, pepper and the honey (takes the edge off) and cook on a medium heat for 30 minutes.
Just before serving, stir through the spinach. At the last second, add the mozzarella.