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Cheesy Root Vegetable Gratin

Cheesy Root Vegetable Gratin

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Indulge in the comforting flavors of Cheesy Root Vegetable Gratin, a delightful dish that transforms sweet potatoes, parsnips, and beets into an impressive baked casserole. This colorful medley is not only visually appealing but also brimming with earthy flavors and creamy goodness. Perfect for family gatherings or cozy weeknight dinners, this gratin is easy to prepare and sure to impress everyone at the table. With layers of tender vegetables topped with gooey cheese, it’s a dish that promises warmth and satisfaction in every bite.

Ingredients

Scale
  • 1 tablespoon unsalted butter (softened)
  • 12 long sweet potatoes (about 2 inches thick), peeled
  • 34 large parsnips, ends trimmed and peeled
  • 35 small beets, peeled
  • 14 tablespoons heavy cream, divided (whole milk works too)
  • 4 ounces grated Parmesan, divided
  • 1 tablespoon fresh minced thyme, divided (plus more for garnish)
  • 1 garlic clove, minced
  • 1 ounce shredded gruyere
  • Salt and pepper to taste

Instructions

  1. Preheat your oven to 400°F (200°C) and grease a 3-quart baking dish with softened butter.
  2. Slice sweet potatoes, parsnips, and beets into thin rounds using a mandoline for even slices.
  3. In separate bowls, coat sweet potatoes and parsnips with 4 tablespoons of cream, Parmesan cheese, thyme, salt, and pepper.
  4. Pour 1/4 cup of cream into the bottom of the baking dish and sprinkle with minced garlic and some Parmesan.
  5. Layer the vegetables in neat rows starting with sweet potatoes, followed by parsnips and then beets.
  6. Season the top layer with salt and pepper and add remaining Parmesan cheese.
  7. Cover with foil and bake for 30 minutes.
  8. Uncover, sprinkle shredded Gruyere on top and bake uncovered for another 18-20 minutes until golden brown and tender.
  9. Garnish with fresh thyme before serving.

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