Domenica Marchetti's Bolognese from The Glorious Pasta of Italy has its own curious ingredient, mortadella, which makes perfect sense since mortadella comes from Bologna. Marchetti's ragù is pretty genius, rich and meaty with melting diced carrots, onions, and celery and surprisingly little tomato paste. It makes for the perfect sauce for a Lasagna Bolognese, layered with bechamel, or atop a mound of fresh tagliatelle. More