And your first hint is: think tarte tatin with potatoes.

你们的第一个提示是：想想焦糖苹果挞，不过要用土豆做。

The tarte tatin originates with none other than the Tatin sisters, who ran a hotel in the Loire Valley that Monet liked to visit.

塔丁馅饼的起源正是塔丁姐妹，她们在莫奈喜欢参观的卢瓦尔河谷经营一家酒店。