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Cheesy Root Vegetable Gratin

Savory Cheesy Root Vegetable Gratin for Cozy Gatherings

This Cheesy Root Vegetable Gratin blends sweet potatoes, parsnips, and beets, creating a comforting and visually stunning side dish perfect for holiday gatherings.
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Prep Time 15 minutes
Cook Time 50 minutes
Total Time 1 hour 5 minutes
Servings: 6 servings
Course: Dinner
Cuisine: Vegetarian
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Gratin
  • 4 tablespoons Unsalted Butter Softened for easy greasing
  • 2 medium Sweet Potatoes Peeled
  • 4 large Parsnips Peeled
  • 5 small Beets Peeled
  • 14 tablespoons Heavy Cream Divided
  • 4 ounces Parmesan Cheese Divided
  • 1 tablespoon Fresh Thyme Minced, divided
  • 1 clove Garlic Minced
  • 1 ounce Gruyère Cheese Shredded
  • Salt To taste
  • Pepper To taste
For Serving
  • 1 tablespoon Fresh Thyme To sprinkle on top

Equipment

  • 3-quart baking dish
  • Mixing Bowl
  • mandoline slicer

Method
 

Step‑by‑Step Instructions
  1. Preheat your oven to 400°F (200°C) and generously butter your 3-quart baking dish.
  2. Wash and peel your sweet potatoes, parsnips, and beets, then slice them into thin rounds.
  3. Toss sweet potatoes and parsnips with 4 tablespoons of heavy cream each, and coat beet rounds with 2 tablespoons of cream.
  4. Pour remaining cream into the bottom of the baking dish and sprinkle with minced garlic and half of the Parmesan cheese.
  5. Layer sliced vegetables in rows, alternating colors, to enhance presentation.
  6. Cover with aluminum foil and bake for about 30 minutes until vegetables are tender.
  7. Remove foil and top with Gruyère cheese, baking for an additional 18-20 minutes until golden and bubbly.
  8. Let sit for a few minutes before serving, garnishing with fresh thyme.

Nutrition

Serving: 1servingCalories: 350kcalCarbohydrates: 30gProtein: 7gFat: 24gSaturated Fat: 14gPolyunsaturated Fat: 1gMonounsaturated Fat: 2gCholesterol: 45mgSodium: 400mgPotassium: 600mgFiber: 4gSugar: 6gVitamin A: 5000IUVitamin C: 10mgCalcium: 250mgIron: 1mg

Notes

Using a mandoline slicer can help achieve uniform slices for even cooking. This dish can be prepared a day in advance for convenience.

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