A reinvented apple tart has been crowned the best cake in Hauts-de-Seine 2025. On Friday, December 6th, the department announced the winner—Grégoire Delachaux, a pastry chef and beekeeper from the 92—who took top honors at the seventh edition of the competition organized in partnership with Meilleur Ouvrier de France Stéphane Glacier. Curious where to try this winning creation? We’ve got all the details.