I'm sorry to see this late but I do have Cedric Grolet's recipe for this (in French) if you are still interested.
EDIT:
Oops I tried to delete this message. I do not have the recipe for his Pomme Tatin. The recipe is for the Pommes Aneth:
https://www.academiedugout.fr/recettes/tartelettes-pomme-aneth_11704_2