Italian-style braised beef ragu with penne pasta

Ingredients

• 2 tablespoon olive oil
• 1 kilogram beef chuck steak, seasoned
• 1 onion, diced
• 1 medium carrot, finely diced
• 1 stalk celery, trimmed, diced
• 3 garlic cloves, crushed
• 2 small rosemary sprigs
• 1 cup dry red wine
• 750 millilitre bottle tomato passata
• 1 cup beef stock
• 500 gram penne
• 1 cup frozen peas
• 1 tablespoon balsamic vinegar
• crusty bread to serve