Rich ragu - Good Food Middle East

Ingredients

• 1 tbsp olive oil
• 1 onion, halved and finely chopped
• 1 celery stick, finely diced
• 1 large carrot, finely diced
• 600g pack minced beef steak
• 3 tbsp tomato purée
• 2 garlic cloves, finely grated
• 2 tsp fresh thyme leaves
• 500ml beef stock
• 400g spaghetti
• 50g grated Parmesan, plus extra to serve (optional)
• side salad, to serve