This favorite pizza topping is a coarse pork sausage, generally sold in plump links. Italian sausage is usually flavored with garlic and fennel seed or anise seed. It comes in two styles hot (flavored with hot, red peppers) and sweet (without the added heat). It must be well cooked before serving.
From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.