In a large saucepan, cook the sausages, frying them in their own fat, adding a little oil if required
Cook for about 10 minutes, turning occasionally until lightly brown
Add the onions to the sausages pan and cook until soft stirring regularly
Add the garlic to the pan with the sausages and onions and cook for 3-4 minutes
Add the tomatoes, stock, herbs and tomato puree
Add the beans
Add the bay leaf
If your frying pan has a lid, put it on and put it in the oven or transfer the contents to a casserole
Cook on the bob for about 40 minutes
Serve hot with mashed potato and a green vegetable