Sausage and cephalopods are two ingredients that, to me, always work together. And if you use your imagination it's not a far leap to think of a cleaned squid body as the ocean's sausage casing. Squid are creatures that need to be cooked hot and quick, or low and slow to get the best results, so once you add the squid to the tomato sauce, make sure to give it the time it needs. More