Spiralized Potato Au Gratin Casserole Recipe

Spiralized Potato Au Gratin Casserole Recipe

How To Make Spiralized Potato Au Gratin Casserole

Create a fun dish with our flavorful potato au gratin casserole! The potatoes are paired with fresh veggies and filling turkey for a full meal.

Preparation: 20 minutes
Cooking: 1 hour 30 minutes
Total: 1 hour 50 minutes



  • ½cuphalf & half cream
  • ½cupskim milk
  • tspkosher saltdivided
  • 2fresh thyme sprigs
  • 1fresh rosemary sprigs
  • 2tspbutter
  • 1small onionchopped
  • lbsground turkey93% lean
  • 4garlic clovesdiced
  • 1lbturnipspeeled
  • 3ozcarrots½ of large
  • 8ozmedium potatopeeled
  • 3ozGruyere cheeseshredded
  • ¼cupscallionschopped


  1. Preheat oven to 375 degrees F.

  2. Spray an 14-inch oval casserole dish with cooking spray.

  3. Spiralize the carrot, turnips and potato with the thickest noodle setting of the spiralizer, cutting the spirals into 8-inch lengths.

  4. In a small pan, add the half and half, milk, ½ teaspoon of salt, thyme, and rosemary.

  5. Simmer over medium-low heat for 5 minutes, then set aside.

  6. In a large nonstick pan, melt the butter, then sauté the chopped onion and garlic in butter for 5 minutes.

  7. Add ¾ teaspoon salt and pepper.

  8. Add the ground turkey, then cook on medium-high heat for 10 minutes until browned.

  9. Remove the thyme and rosemary leaves from the milk.

  10. Pour the milk mixture onto the turkey, then simmer for 3 minutes.

  11. In a large working bowl, combine the spiralized turnips, potatoes and carrots along with the turkey and the milk mixture. Mix well.

  12. Pour into a casserole dish, then top with scallions, and gruyere cheese.

  13. Cover with foil and bake for 1 hour.

  14. Uncover and broil on low for 5 minutes, or until golden on top.

  15. Serve warm, and enjoy!


  • Calories: 352.50kcal
  • Fat: 20.72g
  • Saturated Fat: 10.06g
  • Trans Fat: 0.15g
  • Monounsaturated Fat: 6.39g
  • Polyunsaturated Fat: 2.75g
  • Carbohydrates: 16.90g
  • Fiber: 3.20g
  • Sugar: 6.05g
  • Protein: 25.91g
  • Cholesterol: 111.77mg
  • Sodium: 630.86mg
  • Calcium: 264.65mg
  • Potassium: 682.04mg
  • Iron: 1.99mg
  • Vitamin A: 301.85µg
  • Vitamin C: 28.54mg
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