Overview: Man on the street Doc Willoughby visits Joanne Chang at Myers + Chang to learn about shell-on shrimp. Then, test cook Becky Hays demonstrates how to make the best Crispy Salt and Pepper Shrimp at home. Next, tasting expert Jack Bishop conducts a tasting of Sichuan peppercorns. Finally, test cook Julia Collin Davison reveals the secrets to making Vietnamese-Style Caramel Chicken with Broccoli.