Golden Baked Turnip Gratin

Creamy Turnips Au Gratin: A Rich & Cheesy Holiday Side Dish

Prepare to be utterly delighted by Turnips Au Gratin, a dish so exquisitely creamy, delightfully cheesy, and incredibly rich that it might just become your new favorite way to enjoy turnips. This impressive casserole transcends expectations, transforming the humble turnip into a luxurious holiday side dish that’s guaranteed to impress at any festive gathering or special meal.

Turnips Au Gratin

Why Turnips Au Gratin Will Become Your Go-To Recipe

If you’re like many home cooks, turnips might not be a vegetable you reach for often. They often get a bad rap for their slightly bitter or peppery undertones. However, when prepared au gratin, turnips undergo a remarkable transformation. The creamy sauce, infused with aromatic garlic and fresh thyme, mellows their distinctive flavor, while the generous amounts of nutty Gruyere and sharp Parmesan cheese create an irresistible savory depth.

This dish is a fantastic alternative to traditional potato gratins, offering a unique flavor profile that is both comforting and sophisticated. Its decadent texture and golden-brown cheesy topping make it a standout on any dinner table, especially during the holidays when rich, flavorful side dishes are eagerly anticipated.

The Magic Behind the Flavors: Cheese, Garlic & Thyme

The secret to the phenomenal taste of this Turnips Au Gratin lies in the thoughtful combination of ingredients. For the cheese, we opt for a dynamic duo: nutty Gruyere and salty Parmesan. Gruyere, with its earthy, sweet, and slightly fruity notes, pairs beautifully with the subtle peppery essence of turnips, creating a harmonious balance. Parmesan adds a sharp, salty punch and contributes to that desirable golden crust. This combination ensures a complex, savory flavor that elevates the dish beyond a simple cheese sauce.

To further enhance the experience, just a touch of garlic and fresh thyme is infused into the cream. Smashed garlic cloves release their fragrant essence without becoming overpowering, while fresh thyme sprigs impart a subtle, herbaceous aroma that complements both the turnips and the cheeses. This simple yet effective flavoring method ensures a truly delicious and well-rounded casserole.

Understanding Turnips: From Garden to Gratin

Turnips are root vegetables belonging to the cabbage family, and their flavor can range from mildly sweet to slightly peppery, depending on their size and age. Younger, smaller turnips tend to be sweeter and milder, making them ideal for this gratin. They are also packed with nutrients, including Vitamin C, fiber, and antioxidants, making this a healthy indulgence.

Their firm texture holds up exceptionally well during baking, preventing them from becoming mushy, which is a common concern with some other root vegetables in gratins. The slight peppery note of turnips is actually an asset here, as it provides a delightful contrast to the richness of the cream and cheese, preventing the dish from feeling too heavy. Don’t be shy about trying them; this recipe is designed to make you a turnip convert!

Creamy Turnips Au Gratin

Key Preparation Tips for Success

Achieving the perfect Turnips Au Gratin involves a few key steps that ensure optimal texture and flavor:

The Art of Thin & Uniform Slicing

Perhaps the most crucial step in preparing this gratin is slicing the turnips thinly and uniformly. This ensures that every slice cooks evenly and becomes tender, melting beautifully into the creamy sauce. A mandoline is highly recommended for this task. It allows you to achieve consistent, paper-thin slices quickly and safely. If you don’t have a mandoline, a very sharp knife and a steady hand can also work, but take your time to ensure consistency. Aim for slices that are about 1/8 inch thick.

Infusing the Cream for Maximum Flavor

The heavy cream forms the luscious base of this gratin, and infusing it with garlic and thyme beforehand is a game-changer. By gently simmering the cream with smashed garlic cloves and fresh thyme sprigs, you allow the flavors to meld and deepen without overwhelming the dish. After simmering, straining the cream removes the solids, leaving you with a beautifully aromatic liquid that will perfume every layer of your gratin. This step prevents any harsh raw garlic taste and ensures a smooth, refined sauce.

Turnips Au Gratin Recipe Card

Turnips Au Gratin

★★★★★ 5 from 1 vote

Prep Time: 15 mins

Cook Time: 1 hr

Total Time: 1 hr 15 mins

Servings: 6

Turnips Au Gratin are wonderfully creamy and rich. The combination of Parmesan and Gruyere cheese gives this holiday side dish an abundance of savory flavor.

Ingredients

  • 2 cups heavy cream
  • 3 garlic cloves, smashed
  • 2 sprigs fresh thyme
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 2 pounds turnips, peeled and sliced thinly with a mandoline
  • 1 1/2 cups shredded Gruyere cheese
  • 1 cup shredded Parmesan cheese

Instructions

  1. Preheat oven to 375 degrees F (190 degrees C) and grease an 11×7-inch baking dish.
  2. In a medium saucepan, bring heavy cream, smashed garlic cloves, thyme sprigs, salt, and pepper to a gentle simmer over medium heat. Do not boil.
  3. Remove from heat and let sit for 5 to 10 minutes to allow the flavors to infuse. Strain out the garlic and thyme sprigs from the cream and discard them.
  4. Layer approximately 1/3 of the thinly sliced turnips evenly in the bottom of the prepared baking dish.
  5. Top the turnip layer with about 1/3 of the combined shredded Gruyere and Parmesan cheese.
  6. Repeat this process, adding two more layers of turnips and cheese, ending with a final layer of cheese on top.
  7. Carefully pour the infused heavy cream mixture evenly over the layered turnips and cheese.
  8. Cover the baking dish tightly with aluminum foil and bake for 40 to 45 minutes, or until the turnips are tender when pierced with a fork.
  9. Remove the foil and bake for an additional 20 minutes, or until the top is golden brown and bubbling.
  10. Let the gratin rest for 5-10 minutes before serving to allow the sauce to set.

Nutrition information is automatically calculated, so should only be used as an approximation.

Serving Suggestions and Pairings

Turnips Au Gratin is a versatile side dish that pairs beautifully with a variety of main courses. It’s an excellent accompaniment to roasted meats such as turkey, ham, or prime rib, making it a perfect addition to your holiday feast. It also complements simpler weeknight meals, like roasted chicken or pork loin, adding a touch of elegance and comfort.

For a complete meal, consider serving it alongside a fresh green salad with a light vinaigrette to cut through the richness, or with some steamed green beans for added color and texture. Its creamy, savory profile makes it a fantastic substitute for traditional potato dishes, offering a pleasant surprise for your guests.

Make-Ahead and Storage Tips

One of the great advantages of Turnips Au Gratin is that it can be partially prepared ahead of time, which is especially helpful during busy holiday seasons. You can slice the turnips and grate the cheeses a day in advance. The cream mixture can also be prepared and strained ahead of time and stored in the refrigerator. Assemble the gratin just before baking for the freshest result.

Leftovers, if any, can be stored in an airtight container in the refrigerator for up to 3-4 days. To reheat, cover the dish with foil and warm in a preheated oven at 350°F (175°C) until heated through, then uncover for the last few minutes if you want to crisp up the cheese topping again. You can also reheat individual portions in the microwave, though the topping may not be as crispy.

Customizing Your Gratin: Delicious Variations

While this recipe for Turnips Au Gratin is perfect as is, it also lends itself well to creative variations:

  • Add a Crunchy Topping: For extra texture, sprinkle 1/2 cup of panko breadcrumbs mixed with a tablespoon of melted butter over the top during the last 15-20 minutes of baking.
  • Spice It Up: A pinch of cayenne pepper or a dash of nutmeg in the cream sauce can add a subtle warmth and complexity.
  • Different Cheeses: Experiment with other melty cheeses like white cheddar, Fontina, or even a smoked Gouda for different flavor profiles.
  • Bacon Bliss: Crispy cooked and crumbled bacon can be layered between the turnip and cheese layers for a smoky, salty addition.
  • Mixed Root Vegetables: While this recipe highlights turnips, you could easily incorporate other thinly sliced root vegetables like potatoes, parsnips, or celeriac for a mixed gratin.
  • Caramelized Onions: Sautéed and caramelized onions added to the layers will bring a lovely sweetness and depth.

Conclusion

Turnips Au Gratin is more than just a side dish; it’s a culinary revelation that proves just how delicious turnips can be when given the proper treatment. Its creamy, cheesy, and aromatic profile makes it an undeniable crowd-pleaser and a sophisticated addition to any meal, particularly during festive occasions. Don’t let your past experiences with turnips deter you; this recipe is a game-changer that will have you coming back for more. Give it a try, and prepare to fall in love with this unforgettable gratin.






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