Pasta alla Genovese

Name: Pasta alla Genovese
Prep time: 30 min
Cook time: 3 h 30 min
Total time: 4 h
Yield: 6-8
Ingredients: Ingredients; 1 lb penne pasta; 2 lbs beef chuck roast or beef short ribs, cut into large chunks; 4 lbs yellow onions, thinly sliced; 1/4 cup extra virgin olive oil; 4 oz pancetta or guanciale, diced; 1/2 cup dry white wine; 2 bay leaves; 4 sprigs fresh thyme; 1 sprig fresh rosemary; 1 carrot, finely chopped; 1 celery stalk, finely chopped; Salt and freshly ground black pepper to taste; 1 cup freshly grated Parmigiano-Reggiano cheese; 2 tablespoons fresh parsley, chopped