Heat the butter and oil in a deep pan, add the vegetables and fry until they have softened. Add the pancetta, nutmeg, cloves, garlic, bay leaves and minced meats.
Fry until all liquid has evaporated.
Add wine and simmer until it evaporates.
Add milk and simmer until it evaporates.
Add tomatoes, stock and season with salt and pepper. Cover and cook gently stirring occasionally for 2 hours.
To Serve
Boil pasta in large pot of boiling salted water until just tender but still firm to bite, stirring often.