Fry meat in the hot oil with the onions and garlic until brown. Add tomatoes, tomato paste, stock, wine, bay leaves, sugar, salt and pepper. Simmer for 1½ hours. Place spaghetti into a large saucepan of boiling salted water. Boil for 10-12 minutes until tender, drain. Remove bay leaves from sauce. Spoon the Bolognaise sauce over the spaghetti when serving. Serve with a sprinkling of parsley and Parmesan cheese.