Start by salt and peppering the meat and cutting into large equal size pieces
In a heavy stock pot in the oil saute saute the pancetta until crisp. Add the celery and carrots and saute until soft.
Add the meat and cook until golden brown on all sides. Deglaze the pan with the red wine waiting until it evaporates before adding the onions. Then add all the onions and the beef broth. cover and simmer for 3 hours or until the meat is fork tender and onions desegrated. Cook your pasta el dente. Add one cup of pasta water to the sauce
Toss the pasta in the Genovese sauce add the grated cheese and parsley.