extra-virgin olive oil • medium onion, finely chopped • large celery stalk, very finely chopped • large carrot, peeled, very finely chopped • garlic, peeled and sliced • ground beef (80-20) • ground pork • pancetta (or bacon), chopped • tomato paste • dry red wine • beef stock, divided • “roasted” red bell pepper, skinned, seeded, chopped •