Finely chop the onion, carrot, and celery.
Heat olive oil in a pan and sauté the vegetables.
Add ground beef and pork, and continue to sauté.
Add tomato paste and minced garlic.
Pour in red wine and cook off the alcohol.
Add chopped tomatoes, bay leaf, salt, pepper, and herbs.
Simmer gently over low heat for at least 1 hour.