Everything is sweeter in Paris as hosts Stephanie Boswell and Ludo Lefebvre challenge the bakers to use French sugar to create petit fours. Then, they visit artisanal candy store Monsieur Caramel, where caramel magic is crafted. Sugar expert Yohan Kim gives the bakers a lesson in his signature caramel artistry techniques, and the competitors use what they've learned to design an innovative caramel dessert inspired by a French classic.