Finely chop onion, carrot, celery, and garlic.
Sauté the prepared vegetables in a pan with olive oil.
Add ground beef and pork, cook over medium heat.
Add tomato paste and whole peeled tomatoes, mix well.
Pour in red wine, bay leaves, salt, and pepper; bring to a boil.
Cover and simmer on low heat for 1 to 2 hours.
Finish by serving with Parmigiano cheese.