Gratin dauphinois

The great potato gratin of the Dauphiné: raw potato slices baked slowly in cream and garlic until yielding, golden, and perfumed with nutmeg: French classical cooking at its most elemental

Origin: France

From the journey of Nutmeg/Mace.

Gratin dauphinois is one of the canonical dishes of French provincial cooking, originating in the Dauphiné region of the French Alps. It is, at its heart, a study in restraint: thin-sliced raw potatoes, good cream, a touch of garlic, and freshly grated nutmeg baked slowly until the cream has reduced into a thick, trembling, golden-surfaced gratin. The dish appears in culinary records from the court of Louis XVI in 1788, though it was almost certainly cooked in Alpine farmhouses long before it reached Paris. French court cuisine of the 17th and 18th centuries adopted nutmeg as indispensable to the creamy, butter-enriched dishes that defined classical cooking, béchamel sauce, gratin dauphinois, veal blanquette, soufflés, all carry nutmeg as their defining spice. The nutmeg that arrived in French kitchens via the Dutch VOC's brutal Banda Islands monopoly became the aromatic signature of French classical cuisine for centuries.

Ingredients

Base

1.2 kg waxy potatoes (Charlotte, Yukon Gold, or similar), peeled

Dairy

500 ml double cream (heavy cream)

Aromatics

1 clove garlic, halved

Spices

0.75 tsp freshly grated nutmeg

Seasoning

1 tsp fine salt
0.5 tsp white pepper

Fat

30 g unsalted butter, for the dish

Method

Preheat the oven to 150°C (fan 130°C / 300°F). Rub a large, shallow gratin dish thoroughly with the cut garlic, then butter it generously. Discard the garlic.
Slice the potatoes very thinly, 2–3mm, using a mandoline or a sharp knife. Do not rinse the slices. The starch on the potato surface helps thicken the cream.
In a large bowl, combine the cream, nutmeg, salt, and white pepper. Add the potato slices and toss to coat every slice in the seasoned cream.
Transfer the cream-coated potato slices to the prepared gratin dish, arranging in overlapping layers. Pour over any remaining cream; it should come level with the top layer of potato.
Bake for 70–75 minutes until the top is deeply golden and a knife inserted into the centre meets no resistance. The cream should have reduced to a thick, barely-set custard.
Allow to rest for 10 minutes before serving. The gratin will firm slightly as it rests. Serve from the dish at the table.

Notes

The question of cheese in gratin dauphinois is deeply contentious in France. Purists, and all the grandmothers of the Dauphiné, insist that true gratin dauphinois contains no cheese. The version with gruyère grated on top is gratin savoyard (from neighbouring Savoie), a different dish entirely. The dauphinois version relies entirely on the cream reducing and the potato starch thickening to produce its characteristic texture. The nutmeg is the dish's defining flavour and should not be reduced; without it, the gratin is merely creamy potatoes. With it, it becomes one of the great dishes of the French table.

The Gastrographer

Name: Gratin dauphinois
Prep time: 20 min
Cook time: 75 min
Total time: 95 min
Yield: 6
Cuisine: France
Ingredients: 1.2 kg waxy potatoes (Charlotte, Yukon Gold, or similar), peeled; 500 ml double cream (heavy cream); 1 clove garlic, halved; 0.75 tsp freshly grated nutmeg; 1 tsp fine salt; 0.5 tsp white pepper; 30 g unsalted butter, for the dish

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Ingredient originTrade or transit route

Became a culinary stapleColonial / trade control