Slow-Cooked Beef with Tortellini

Ingredients

• 1 tbsp olive oil
• 1 large brown onion, finely diced
• 2 garlic cloves, crushed
• 125g thinly sliced pancetta or rindless bacon, roughly chopped
• 1 carrot, finely diced
• 1 celery stalk, finely diced
• 1.2kg chuck steak, cut into 3cm cubes
• 400g can diced tomatoes
• 1 cup chicken stock or water
• ½ cup red wine
• 2 tsp Tuscan seasoning
• 500g tortellini
• 150g mozzarella, torn
• ¼ cup finely grated parmesan