@ossobuco,
the book - PAUL BOCUSE
IN YOUR KITCHEN
an introduction to classic french cooking
Potatoes au gratin de pommes de terre au lait
preparation time: 1 hour
Ingredients for 4 servings
2 1/4 pounds potatoes (1 kg)
2 1/2 cups (60 cl) milk
nutmeg
salt, pepper
1 clove garlic, peeled and split lengthwise
1 2/3 cups (125 g) grated swiss cheese
3 tablespoons (5 cl) heavy cream
2 tablespoons (30 g) butter, broken into small pieces
Preheat the oven to 400 degrees F, 200 degrees C
Peel the potatoes and wash quickly in cold water, then wipe dry.
Cut them into slices about 1/4 inch (5 mm) thick and reserve.
Bring the milk to a boil in a large saucepan, add the potatoes, a little nutmeg, and salt and pepper generously. Shake the pan gently to make the potatoes settle into the milk (they should be barely covered by the milk; if not, add a little warm water). Lower the heat and simmer, uncovered, over very low heat for 20 to 25 minutes, or until tender.
Rub a baking dish (preferable porcelain or earthenware) with the garlic.
When the potatoes are done, lift some out of the milk with a slotted spoon and place them on the bottom of the baking dish. Sprinkle with a little grated cheese, add another layer of potatoes, sprinkle with cheese and continuing filling the dish, layer hy layer, ending with cheese.
Measure the milk remaining from cooking the potatoes; there should be about 2/3 cup (15 cl) left. If there is more than that, boil it to reduce to this amount, then pour it over the potatoes. Spoon in the cream, dot the surface with butter, then place the dish in the oven and bake for 20 minutes, or until the surface is golden brown.
As you might imagine, this is all too berserk for me, though I did try it once. I'll agree re the process, though. (My slices were thinner, and so what?)