3 tagliatelle alla bolognese Recipes

pancetta, finely minced, chopped onion (about 1 large), chopped celery (about 2 stalks ), chopped carrot, ground veal, ground pork, fine sea salt, divided, freshly ground black pepper, white wine, tomato paste, fresh flat-leaf parsley, allspice berries, fresh thyme sprig, whole milk, water, uncooked tagliatelle or fettuccine, chopped fresh flat-leaf parsley

extra-virgin olive oil, carrots, peeled and finely chopped, stalks celery, finely chopped, onions, finely chopped, pancetta, minced, lean ground beef, ground pork butt, tomato paste, homemade or low-sodium beef broth , recipe follows, whole milk, butter, kosher salt and ground black pepper, cooked tagliatelle or pappardelle, grated parmigiano-reggiano , as needed, beef joint bone, beef shank, beef short ribs, beef brisket, onions, halved, carrots, each cut into 8 pieces, stalks celery, each cut into 4 pieces, salt