Bolognese sauce is a classic Italian recipe for meat sauce. Generally, it contains 3 types of ground meat; beef, veal, and pork. Sometimes the cook will substitute other meats such as wild boar, deer or other game meats.  It's a very thick sauce and is not a tomato sauce rather a meat sauce that has tomatoes. It is very thick, chunky and has the undertones of red wine, garlic and woody herbs