Andrea Geary, Deputy Food Editor at America's Test Kitchen and passionate baker, teams up with Angelica Quintanilla-McCall, an Associate Producer and reporter, to unveil the secrets behind crafting a perfect Levain-style cookie. They dive into the intricate process of testing dough formulas and fine-tuning flavors, from analyzing the cookie's texture to experimenting with chilling methods. After a series of trials and blind taste tests, their recipe triumphs, showcasing the balance between gooey interiors and crisp exteriors, captivating bakers everywhere.