Root Gratin

12 ingredients
10 steps

Ingredients

  • 1 pound parsnips, peeled
  • 1 pound sweet potato, peeled
  • 1 pound celery root, peeled
  • 1 pound russet potatoes, peeled
  • 1 cup heavy cream
  • 1/2 cup low-sodium chicken stock
  • 1 teaspoon dried tarragon
  • 1 tablespoon minced garlic
  • 6 ounces Gorgonzola cheese, crumbled
  • 1 teaspoon salt
  • 2 teaspoons freshly ground black pepper
  • Special equipment: a 1 1/4 quart oval gratin dish

Directions

  1. 1
    Preheat oven to 400 degrees F with rack in middle.
  2. 2
    Slice vegetables into 1/4-inch thick slices.
  3. 3
    In a large bowl, toss vegetables with cream, stock, tarragon and salt and pepper, garlic and Gorgonzola.
  4. 4
    Put into prepared gratin dish.
  5. 5
    Cover loosely with heavy duty foil.
  6. 6
    Bake for 1 hour, until vegetables are fork tender.
  7. 7
    If tender, remove foil, leave dish on middle rack and turn broiler on high.
  8. 8
    Broil gratin until top is golden, 3 to 4 minutes.
  9. 9
    Let cool 10 minutes before serving.
  10. 10
    Gratin can be made 1 day ahead and reheated at 325 degrees F, covered with foil for approximately 50 minutes.

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