Braised beef with Comté macaroni

Name: Braised beef with Comté macaroni
Ingredients: 4 tbsp olive oil; 500g/1lb 2oz braising steak; 1 onion, cut into quarters; 1 carrot, peeled and halved; 1 head garlic, cut in half; 2 celery sticks, chopped; 2 tbsp tomato purée; 300ml/10fl oz Burgundy red wine; 1 star anise; 1 bay leaf; ½ bunch fresh thyme; 500ml/18fl oz beef stock, or enough just to cover; 25g/1oz unsalted butter; 25g/1oz plain flour; 500ml/18fl oz warm milk; 250g/9oz Comté, grated; few gratings fresh nutmeg; 200g/7oz cooked macaroni; 50g/1¾oz grated Parmesan; 50g/1¾oz breadcrumbs; salt and freshly ground black pepper