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Cheesy Root Vegetable Gratin

Cheesy Root Vegetable Gratin for a Cozy Holiday Feast

This Cheesy Root Vegetable Gratin is a vegetarian dish featuring sweet potatoes, beets, and parsnips in a creamy garlic sauce, perfect for holiday feasts.
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Prep Time 20 minutes
Cook Time 48 minutes
Total Time 1 hour 8 minutes
Servings: 8 servings
Course: Dinner
Cuisine: Comfort Food, Vegetarian
Calories: 450
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Gratin
  • 2 tablespoons Unsalted Butter For greasing the baking dish
  • 3 cups Sweet Potatoes Can substitute with regular potatoes
  • 1 cup Parsnips Can swap with turnips or additional sweet potatoes
  • 1 cup Beets Ensure they are lightly coated in cream
  • 1 cup Heavy Cream Whole milk is a suitable substitute
  • 1 cup Grated Parmesan Pecorino Romano can be used as an alternative
  • 2 tablespoons Fresh Minced Thyme Can substitute with rosemary
  • 2 cloves Minced Garlic Fresh garlic preferred
  • 1 cup Shredded Gruyère Swiss cheese or a vegan option can be used
  • to taste Salt
  • to taste Pepper

Equipment

  • 3-quart baking dish
  • mandoline or sharp knife
  • Mixing Bowl

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 400°F (200°C) and grease a 3-quart baking dish with unsalted butter.
  2. Slice sweet potatoes, parsnips, and beets into thin rounds, about 1/8-inch thick.
  3. In a large mixing bowl, combine the sliced vegetables and heavy cream, season with salt, pepper, and thyme.
  4. Pour a layer of cream and sprinkle grated Parmesan at the bottom of the greased baking dish, then layer the vegetables alternately.
  5. Cover with aluminum foil and bake for 30 minutes until vegetables are tender.
  6. Remove the foil, add shredded Gruyère, and bake uncovered for an additional 18-20 minutes until cheese is golden.
  7. Garnish with freshly chopped thyme and serve.

Nutrition

Serving: 1servingCalories: 450kcalCarbohydrates: 35gProtein: 10gFat: 30gSaturated Fat: 18gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gCholesterol: 80mgSodium: 600mgPotassium: 750mgFiber: 5gSugar: 10gVitamin A: 12000IUVitamin C: 15mgCalcium: 350mgIron: 2mg

Notes

Ensure vegetable slices are uniform for even cooking. Prepare a day in advance for best results and adjust seasoning according to taste.

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