Bolognese sauce (uk: , us: ; known in italian as ragù alla bolognese, pronounced [raˈɡu alla boloɲˈɲeːse, -eːze], ragù bolognese, or simply ragù) is a meat-based sauce in italian cuisine, typical of the city of bologna. it is customarily used to dress tagliatelle al ragù and to prepare lasagne alla bolognese. genuine ragù alla bolognese is a slowly cooked meat-based sauce, and its preparation involves several techniques, including sweating, sautéing and braising. ingredients include a characteristic soffritto of onion, celery and carrot, different types of minced or finely chopped beef, often alongside small amounts of fatty pork. white wine, milk, and a small amount of tomato paste or to...

Source: Wikipedia