Any serious discussion about the state of pizza in the United States must eventually lead to sausage. In large swaths of America, a pizzeria is judged not just by the quality of its crust, but by the quality of its preferably-homemade-but-definitely-at-least-custom-blended-by-a-master sweet Italian fennel sausage. What's that? Never made sausage before, you say? Don't worry. By the end of the day, you'll be a pro.