Classic Potato Au Gratin | Idaho Preferred

Classic Potato Au Gratin | Idaho Preferred

idahopreferred.com

Classic Potato Au Gratin with Idaho russets and local flavors. Perfect for holidays or gatherings. Yield: 12.

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Ingredients

  • 4 pounds Idaho russet potatoes, scrubbed, very thinly sliced on a mandoline
  • 5 garlic cloves, divided (available at your local Farmers Market during season)
  • 1 tablespoon unsalted Idaho butter, room temperature
  • 2 medium Idaho shallots, quartered through root ends
  • 2½ cups heavy Idaho cream
  • 3 ounces Gruyère, finely grated
  • 1 ounce Parmesan, finely grated
  • 1 tablespoon kosher salt
  • 1 teaspoon freshly ground black pepper
  • 1 tablespoon Idaho grown thyme leaves, plus additional for garnish
  • Bake ahead: Gratin can be baked 1 day ahead. Cover and chill. Bring to room temperature before broiling.

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