Cheesy Root Vegetable Gratin is more than just a dish; it’s a warm embrace on a chilly evening, a testament to the beauty of seasonal produce, and a culinary classic that has been cherished for generations. The origins of gratin can be traced back to French cuisine, where layers of vegetables are lovingly combined with creamy sauces and topped with a golden crust. In this Cheesy Root Vegetable Gratin, we take it a step further by featuring an array of hearty root vegetables, creating a comforting side that elevates any meal. What makes this recipe special is how it transforms humble ingredients into a decadent dish that everyone loves—whether it’s served at a festive gathering or a cozy family dinner.
What Is Cheesy Root Vegetable Gratin
Cheesy Root Vegetable Gratin is a baked dish that combines thinly sliced root vegetables such as potatoes, carrots, and parsnips, layered with a luscious cheese sauce and topped with a crispy, golden crust. The beauty of this dish lies in its textural contrast: the tender, melt-in-your-mouth vegetables harmonize with the rich, creamy cheese, while the crispy top adds a delightful crunch. Unlike traditional potato gratin, this version celebrates a medley of root vegetables, making it not only a colorful feast for the eyes but also a nutrient-packed option that’s perfect for those chilly nights.
Why You’ll Fall in Love with This Recipe
- Easy to prepare and can be made ahead of time.
- Deliciously comforting and packed with flavor.
- Family-friendly; even picky eaters will love it.
- Versatile—perfect as a side dish or a vegetarian main course.
How Does It Taste?
When you take a bite of Cheesy Root Vegetable Gratin, you’re greeted with a symphony of flavors. The sweetness of the root vegetables shines through, beautifully balanced by the savory notes of melted cheese. Each layer introduces a new texture, from the creamy, soft vegetables to the crispy, golden topping that provides a satisfying crunch. It’s a dish that warms the heart and satisfies the soul, leaving you coming back for seconds.
Health & Ingredient Benefits
This Cheesy Root Vegetable Gratin is not just indulgent; it also packs a nutritional punch. Here are some key ingredients and their benefits:
- Potatoes: High in potassium and vitamin C, they provide a comforting base.
- Carrots: Rich in beta-carotene, they promote good vision and skin health.
- Parsnips: A good source of fiber, they aid in digestion and provide a natural sweetness.
- Cheese: Offers protein and calcium, contributing to a well-rounded dish.
Ingredients You’ll Need
- 2 cups potatoes – I prefer Yukon Gold for their creamy texture.
- 1 cup carrots – They add a natural sweetness and vibrant color.
- 1 cup parsnips – Their nutty flavor complements the dish beautifully.
- 1 cup turnips – Provides a slightly peppery taste, enhancing the overall flavor.
- 1 cup shredded sharp cheddar cheese – This adds a rich, cheesy depth; feel free to mix with Gruyère for extra flavor.
- 1 cup heavy cream – It creates a luscious, velvety base for the gratin.
- 1 clove garlic, minced – A touch of garlic enhances the savory notes.
- 1 teaspoon fresh thyme – Its earthy aroma pairs well with root vegetables.
- Salt and pepper to taste – Essential for balancing flavors.
- 1 tablespoon butter – For greasing the baking dish and adding richness.
Tools You’ll Need
- Large pot – For boiling the vegetables.
- Sharp knife – To slice the vegetables thinly and evenly.
- Cutting board – A safe surface for dicing and slicing.
- Mixing bowl – For combining the cream, garlic, and seasonings.
- Baking dish – A 9×13 inch dish works perfectly for this gratin.
- Oven – Preheated to 375°F (190°C) for baking the gratin.
Optional Substitutions & Additions
- Dairy-free options – Substitute heavy cream with coconut cream or cashew cream for a lighter version.
- Cheese variations – Try using mozzarella for a milder flavor or blue cheese for a bolder kick.
- Herb additions – Consider adding rosemary or sage for a different aromatic profile.
- Additional vegetables – Feel free to include sweet potatoes or beets for more color and flavor.
How to Make Cheesy Root Vegetable Gratin
Step 1: Prepare the Vegetables
Begin by peeling and slicing the potatoes, carrots, parsnips, and turnips into thin, uniform pieces (about 1/8 inch thick). This ensures even cooking and helps the layers meld together beautifully.
Step 2: Boil the Vegetables
In a large pot, bring salted water to a boil. Add the sliced root vegetables and cook for 5-7 minutes until slightly tender but not fully cooked. Drain and set aside to cool slightly. They should still hold their shape and have a little bite.
Step 3: Prepare the Cream Mixture
In a mixing bowl, combine heavy cream, minced garlic, fresh thyme, salt, and pepper. Whisk together until well blended. This mixture will infuse the vegetables with flavor as they bake.
Step 4: Layer the Vegetables
Grease your baking dish with butter. Start layering the vegetables in the dish, alternating between potatoes, carrots, parsnips, and turnips. Pour a little of the cream mixture over the first layer, then sprinkle with shredded cheddar cheese. Repeat this process until all vegetables and cream are used, finishing with a layer of cheese on top.
Step 5: Bake the Gratin
Cover the baking dish with aluminum foil and bake in the preheated oven for 25 minutes. This helps steam the vegetables. After 25 minutes, remove the foil and bake for an additional 15-20 minutes, or until the top is golden brown and bubbly. The gratin should be fragrant and absolutely mouthwatering!
What to Serve With
This Cheesy Root Vegetable Gratin pairs wonderfully with a crisp green salad dressed with a light vinaigrette to balance the richness. For drinks, a chilled white wine like Sauvignon Blanc or a refreshing non-alcoholic sparkling water with lemon would be delightful choices. You can also serve it alongside grilled meats or roasted chicken for a complete meal.
Tips for Success
- Ensure uniform slicing of vegetables for even cooking.
- Don’t skip the steaming step; it helps keep the vegetables tender.
- Experiment with cheese combinations for unique flavors.
- Let the gratin rest for a few minutes after baking; this helps it set and makes serving easier.
Common Mistakes to Avoid
- Overcooking the vegetables during boiling; they should be slightly undercooked.
- Not layering enough cheese or cream; ensure every layer is seasoned and cheesy.
- Skipping the resting period after baking; this can make the gratin soupy.
- Using too many strong-flavored cheeses that can overpower the dish.
How to Store & Reheat
Storing
Allow the gratin to cool completely before transferring it to an airtight container. It can be stored in the refrigerator for up to 3 days. If you plan to keep it longer, consider freezing it for up to 2 months. Just be sure to use a freezer-safe dish.
Reheating
To reheat, preheat your oven to 350°F (175°C). Cover the gratin with foil and heat for about 20-25 minutes, or until warmed through. If you want the top to crisp up again, remove the foil for the last 5-10 minutes of heating.
Frequently Asked Questions
- Can I make this gratin ahead of time? Yes, you can prepare it up to the baking stage, cover it, and refrigerate it for up to 24 hours. Just add a few extra minutes to the baking time if it’s cold from the fridge.
- Can I use other vegetables? Absolutely! Sweet potatoes, beets, or even squash can be great additions or substitutes.
- Is this dish gluten-free? Yes, this recipe is naturally gluten-free as it contains no flour or gluten-based ingredients.
- How can I make it spicier? Consider adding a pinch of cayenne pepper or some crushed red pepper flakes to the cream mixture for a kick!
Nutritional Info
This Cheesy Root Vegetable Gratin serves approximately 8 people, with each serving being around 300 calories. It provides a good balance of carbohydrates, proteins, and fats, with approximately 15 grams of fat, 25 grams of carbohydrates, and 8 grams of protein. The dish is rich in vitamins and minerals, especially from the root vegetables.

Final Thoughts
If you’re looking for a dish that warms the heart and delights the taste buds, the Cheesy Root Vegetable Gratin is an absolute must-try! This recipe beautifully combines the earthy flavors of root vegetables with the creamy, comforting goodness of cheese, creating a dish that’s perfect for any occasion. It’s not just a side dish; it’s a celebration of flavors and textures that can elevate any meal. Whether you’re serving it at a cozy family dinner or a festive gathering with friends, the Cheesy Root Vegetable Gratin is sure to impress everyone at the table. So why wait? Gather your ingredients and let this delightful gratin become your new go-to recipe for comfort food!

Cheesy Root Vegetable Gratin
This beautiful Cheesy Root Vegetable Gratin is as beautiful as it is tasty. Sweet Potatoes, beets, and parsnips with cream and garlic baked to perfection. We love this side dish for special occasions like Thanksgiving.
Ingredients You’ll Need
- 1 tablespoon unsalted butter (softened)
- 1-2 long sweet potatoes (peeled)
- 3-4 large parsnips (peeled)
- 3-5 small beets (peeled)
- 14 tablespoons heavy cream, divided
- 4 ounces grated Parmesan, divided
- 1 tablespoon fresh minced thyme, divided
- 1 garlic clove (minced)
- 1 ounce shredded gruyere
- Salt and pepper to taste
Instructions
-
Step 1
Preheat oven to 400˚F. Grease a 3 quart baking dish with butter. -
Step 2
Slice sweet potato, parsnips, and beets into thin rounds. -
Step 3
Pour 4 tablespoons cream over sweet potatoes and parsnips, and 2 tablespoons cream over beets. Top with Parmesan and thyme. Season with salt and pepper. -
Step 4
Pour remaining 1/4 cup cream into the baking dish and sprinkle with Parmesan and garlic. -
Step 5
Layer sweet potatoes, parsnips, and beets in rows in the baking dish. -
Step 6
Season top with salt, pepper, and remaining Parmesan. -
Step 7
Cover with foil and bake for 30 minutes until vegetables are soft. -
Step 8
Uncover and top with shredded gruyere. Bake for an additional 18-20 minutes until fork tender and cheese is melted. -
Step 9
Finish with fresh thyme leaves. Serve.
Important Information
Nutrition Facts
Per serving: ~350 calories. Based on a 2000 calorie diet.
Allergy Information
Always check labels for specific allergen information.



