Classic Spaghetti Bolognese

1. Heat olive oil in a large pan over medium heat. 2. Add onion, carrot, and celery. Cook until softened, about 5 minutes. 3. Add minced beef and cook until browned, breaking up with a spoon. 4. Stir in garlic and cook for 1 minute. 5. Add tomato paste, crushed tomatoes, wine, and herbs. 6. Simmer for 45 minutes to 1 hour, stirring occasionally. 7. Meanwhile, cook spaghetti according to package directions. 8. Season sauce with salt and pepper to taste. 9. Serve sauce over pasta, topped with Parmesan cheese.