Turkey bolognese

Name: Turkey bolognese
Ingredients: 3 tbsp olive oil; 2 carrots, peeled and finely diced; 2 celery stalks, finely diced; 1 large onion, finely diced; 300g/10½oz chestnut mushrooms, diced; 500g/1lb 2oz turkey mince (2% fat); 70g/2½oz tomato purée; 125ml/4fl oz red wine (or 125ml/4fl oz water); 400g tin chopped tomatoes; 1 tbsp balsamic vinegar; 2 tsp Worcestershire sauce; 1 tsp mixed dried herbs; 2 bay leaves; 1 beef stock cube; 600g/1lb 5oz dried spaghetti; sea salt and freshly ground black pepper; freshly grated Parmesan cheese, to serve