America's Test Kitchen - Season 17 Episode 20 -

Host Bridget Lancaster shows host Julia Collin Davison how to make the best Pan-Seared Flank Steak with Mustard-Chive Butter. Then, equipment expert Adam Ried reviews carbon steel skillets in the Equipment Corner. Finally, test cook Becky Hays uncovers the secrets for making Walkaway Ratatouille.