Place beef, pork, bacon, carrot, celery, onion and garlic into the cooking pot. Keep the lid open and select SEAR program. Cook and stir 25 minutes or until meat is browned.
Add wine, tomatoes, tomato paste, oregano, basil, bay leaves, salt, and pepper; stir well. Close and lock the lid. Select PRESSURE COOK program Level 6 and Time 20 minutes.
Once the timer beeps 3 times to indicate the end of cooking, manually release pressure by pressing on the steam release button for about 5 seconds . The steam release process will take about 4 to 5 minutes.
Slowly open the lid and remove the bay leaves. Sprinkle with parmesan cheese just before serving.