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Turnip Gratin with Cheesy Cream Sauce Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.7 from 97 reviews
  • Author: Jasmine
  • Prep Time: 25 minutes
  • Cook Time: 60 minutes
  • Total Time: 85 minutes
  • Yield: 9 servings
  • Category: Side Dish
  • Method: Baking
  • Cuisine: French-inspired
  • Diet: Low Carb

Description

Turnip au Gratin is a rich and creamy low-carb alternative to traditional potato gratin. Thinly sliced turnips are sautéed in butter, layered in a baking dish, and smothered in a cheesy Alfredo-style cream sauce made with garlic, Parmesan, and Cheddar cheese. Baked until tender and golden on top, this dish offers a comforting and flavorful side perfect for anyone looking for a delicious low-carb option.

Ingredients

Scale

Turnips

  • 2 lb small turnips
  • Salt and pepper to taste
  • 2 tbsp butter, divided
  • 2 cloves garlic, minced

Cream Sauce

  • 3/4 cup heavy whipping cream
  • 2 ounces grated Parmesan cheese
  • 1/2 tsp glucomannan (or 1/4 tsp xanthan gum)

Topping

  • 3 ounces grated Cheddar cheese

Instructions

  1. Preheat and Slice: Preheat your oven to 375ºF. Using a mandolin slicer, carefully slice the turnips into thin rounds about 1/8 inch thick for even cooking.
  2. Sauté Turnips: In a large saucepan, melt 1 tablespoon of butter over medium heat. Add half of the sliced turnips and toss them in the butter. Cook for about 3 minutes, stirring frequently to separate slices and lightly soften them.
  3. Arrange Turnips: Arrange the sautéed turnips in an 8 or 9 inch ceramic baking dish in an overlapping pattern. Season with salt and pepper. Repeat the sauté and arrangement with the remaining butter and turnip slices, seasoning again.
  4. Prepare Cream Sauce: Add the minced garlic to the pan with remaining butter and sauté until fragrant, approximately 30 seconds. Pour in the heavy cream and bring to a simmer. Stir in the grated Parmesan cheese and season with salt and pepper. Whisk in glucomannan to thicken the sauce.
  5. Combine and Bake: Pour the creamy sauce evenly over the arranged turnips in the baking dish. Cover the dish tightly with foil and bake in the oven for 35 minutes.
  6. Add Cheese and Continue Baking: Remove the foil and sprinkle the grated Cheddar cheese over the top. Return to the oven and bake for an additional 10 to 15 minutes until the turnips are tender and the cheese has melted.
  7. Broil for Finish (Optional): For a golden brown top, turn on the broiler and broil the gratin for 1 to 3 minutes, watching closely to avoid burning.

Notes

  • This dish makes an excellent low-carb substitute for potato au gratin, perfect for keto and low-carb diets.
  • To ensure even cooking, slice turnips thinly and consistently using a mandolin slicer.
  • Glucomannan or xanthan gum helps thicken the cream sauce without the need for flour or starches, keeping this recipe low carb.
  • Broiling at the end is optional but adds a delightful golden crust.
  • Leftovers can be refrigerated and gently reheated in the oven or microwave.

Nutrition

  • Serving Size: 1 serving (1/9th of recipe)
  • Calories: 183 kcal
  • Sugar: 2 g
  • Sodium: 210 mg
  • Fat: 13.7 g
  • Saturated Fat: 8.5 g
  • Unsaturated Fat: 4.5 g
  • Trans Fat: 0 g
  • Carbohydrates: 7.6 g
  • Fiber: 1.8 g
  • Protein: 5.9 g
  • Cholesterol: 45 mg

Find it online: https://jmrecipes.com/turnip-gratin-with-cheesy-cream-sauce-recipe/