People often think that gratin dauphinois is a heavy dish, drowned in cheese and reserved for big meals. In reality, a good gratin dauphinois is more subtle: thin potatoes, well-seasoned cream, slow cooking, and that melting texture that instantly calms the atmosphere at the table.

When it comes out of the oven, the top should be golden blond, with a few more amber edges that slightly stick to the dish. When the spoon dips in, the potato slices separate gently, coated in a thick, garlic-scented cream. You can smell the warm nutmeg, the reduced milk, and that buttery touch that makes you want to serve a slightly too generous portion.