America's Test Kitchen: Season 16, Episode 4

16 - 4: A Hearty Fall Feast

Test cook Dan Souza demonstrates how to make the best Roasted Rack of Lamb at home. Next, test cook Julia Collin Davison reveals the test kitchen's secret to Roasted Brined Turkey. Then, tasting expert Jack Bishop conducts a tasting of Dijon mustard. Finally, test cook Bridget Lancaster uncovers the secrets to the ultimate Root Vegetable Gratin.