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Community Recipe
from [Ger91768]
Potato and Celery Root Gratin with Leeks

Potato and Celery Root Gratin with Leeks

  • Yield: 9 servings

Ingredients

  • 3 cup(s) heavy cream
  • 2 clove(s) garlic peeled
  • 1 sprig(s) thyme plus 3 tsp fresh thyme leaves divided
  • 2 tablespoon(s) unsalted butter, divided
  • 3 leeks white and pale green parts only halved lengthwise, thinly sliced crosswise
  • kosher salt
  • 2 pound(s) russet potatoes peeled thinly sliced
  • 1 pound(s) celery root peeled thinly sliced
  • 2 cup(s) grated Gruyere cheese
  • freshly ground pepper

Preparation

Preheat to 350 degrees. Heat cream, garlic, and thyme spring in a medium saucepan just until bubbles begging to form around edge of pan. Remove from heat and set aside to steep.

Melt 1 Tbsp butter in a medium skillet over medium heat. Add leeks season with salt and cook, stirring often, until tender (do not brown). 10-12 minutes. Transfer to bowl and set aside.

Butter a 3 qt gratin dish with remaining 1 Tbsp of butter. Layer 1/3 of potao slices and 1/3 celery root slices evenly over bottom of baking dish. Cover with 1/3 of the leeks, then 1/3 gruyere. Sprinkle with salt, pepper and tsps thyme leaves.Repeat layers twice more. Strain cream mixture into a medium pitchcher and pour over vegetables.

Set gratin dis on a large rimmed baking sheet and coer tightly with foil. Bake for 1 hour. Carefully remove foil: continue baking until top is ogled brown and sauce is bubbliing, 25-30 minutes. DO AHEAD: Can be made 2 hours ahead. Let stand at room reptant with foil and rewarm in a 300 degree oven until hot, about 20 minutes.

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Potato and Celery Root Gratin with Leeks Recipe

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