Potato dauphinoise is made with uncooked, thinly sliced potatoes cooked in a cream sauce, whereas potato au gratin is made with pre-cooked, thinly sliced potatoes in a cream sauce. The only real difference is one is pre-cooked, and the other isn’t.
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Potato Gratin or Dauphinoise Potatoes | Cravings Journal
FAQ
Are dauphinoise potatoes the same as scalloped potatoes?
Why are dauphinoise potatoes so called?
Why does cream split in dauphinoise potatoes?
What’s another word for dauphinoise?
What is the difference between potatoes dauphinoise and potatoes gratin?
Despite similar names, potatoes dauphinoise and potatoes dauphine are two different things—one is a mashed potato, the other one is potatoes gratin.
Are potatoes Dauphine and potatoes Dauphinoise the same?
Potatoes Dauphine and potatoes dauphinoise are part of French cuisine and referred to as pommes dauphine and pommes dauphinoise in French. They may sound like the same thing, but in fact, they are quite different.
What is gratin Dauphinoise?
Gratin Dauphinoise, on the other hand, is a dish made of thinly-sliced (not pre-cooked) potatoes that cook in cream. Dauphinoise traditionally does not contain any cheese. The starches in the potato mix with the cream to thicken the creamy sauce which contrasts with the crispy topping that comes from finishing the dish in a hot oven or a broiler.
What kind of Potatoes do you use for Dauphinoise?
Potatoes | Use a semi-waxy potato, like Yukon Gold potatoes, or starchy potatoes, like Russets for Potatoes Dauphinoise. You want a potato that breaks down and yields an extra creamy texture when cooked. Avoid waxy potatoes like New potatoes or Baby potatoes. Note that Russet potatoes may not take as long to cook through.