Heat the oil in a large casserole or a large sauté pan.
Add pancetta and sausages and cook for 10 minutes.
Turn the sausages regularly.
Cook until browned and sticky.
Take out the sausages and put out onto a plate.
Add the onions, carrot and garlic to the pancetta and continue to cook for 3-4 minutes until the onions soften.
Return the sausages to the pan and add the remaining ingredients, except the parsley.
Season with salt and pepper.
Bring to the boil and simmer rapidly for 5 minutes.
Lower the heat, cover and simmer for 45 minutes.
Stir every so often.
Check the seasoning.
Add chopped parsley.