Eleven-Layer Potato Gratin

Total Time:
2 hr 25 min
25 min
2 hr

8 servings

  • 4 medium Idaho potatoes, peeled and thinly sliced (1/8 inch thick) on a mandolin, soaked in cold water, drained well and patted dry
  • 2 cups heavy cream
  • Kosher salt and freshly ground black pepper
  • Caramelized Shallots, recipe follows
  • Fried Sage Leaves, recipe follows
  • Caramelized Shallots:
  • 6 tablespoons unsalted butter, cut into pieces
  • 9 large shallots, sliced into 1/4-inch-thick slices
  • Pinch of sugar
  • Kosher salt and freshly ground black pepper
  • Fried Sage Leaves:
  • 1 cup canola oil
  • 10 fresh sage leaves
  • Kosher salt
Watch how to make this recipe.
  • Preheat the oven to 375 degrees F.

  • In a 10-by-10-by-2-inch casserole, arrange some of the potatoes in an even layer, drizzle with 3 tablespoons of the cream and season with salt and pepper. Repeat with the remaining potatoes, cream and salt and pepper to form 11 layers. Press down on the layers to totally submerge them in the cream.

  • Cover and bake for 30 minutes; remove the cover and continue baking until the cream has been absorbed, the potatoes are cooked through and the top is browned, 30 to 45 minutes longer. Evenly distribute the Caramelized Shallots and Fried Sage Leaves over the top.

Caramelized Shallots:
  • Melt the butter in a large saute pan over medium heat. Add the shallots and sugar and slowly cook, stirring occasionally, until golden brown and caramelized, about 40 minutes; season with salt and pepper.

Fried Sage Leaves:
  • Special equipment: a mandolin

  • Heat the oil in a small saucepan over medium heat until it begins to simmer. Add the sage leaves in batches and fry for a few seconds until crisp. Remove with a slotted spoon to a plate lined with paper towels and season with salt.

  • Cover and refrigerate the flavored oil to save for sauteing fish, chicken or pork chops.

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