Makeover Spinach Gratin Recipe

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Ethel May Modified: March 21, 2022
Makeover Spinach Gratin Recipe

How To Make Makeover Spinach Gratin

A low-carb, vegetarian dish, this spinach gratin is made with sauteed onions, milk, and a hint of onion, topped with Parmesan and Swiss cheese.

Preparation: 10 minutes
Cooking: 40 minutes
Total: 50 minutes



  • 3tbspwhipped butter
  • 1cuponion,finely chopped
  • ¼cupflour,use Gluten free AP flour for GF
  • ¼tspfresh nutmeg,grated
  • 3cups2% milk
  • 3lbsfrozen chopped spinach,(3 16-oz packages), defrosted
  • ¾cupparmesan cheese,freshly grated
  • 1tbspkosher salt
  • ½tspfreshly ground black pepper
  • ½cupSwiss or Gruyere cheese,shredded


  1. Preheat the oven to 425 degrees F.

  2. In a heavy-bottomed saute pan, melt the butter over medium heat. Add the onions and sauté for about 10 to 12 minutes until translucent.

  3. Add the flour and nutmeg, then cook for 2 more minutes, stirring occasionally.

  4. Add the milk and cook for about 5 to 7 minutes until thickened.

  5. Squeeze as much liquid as possible from the spinach and add the spinach to the sauce.

  6. Add ½ cup of the Parmesan cheese and mix well. Season to taste with salt and pepper.

  7. Transfer the spinach to a large baking dish and sprinkle the remaining ¼ cup Parmesan and the Swiss cheese on top.  Bake for 20 minutes until hot and bubbly. Serve hot.


  • Calories: 144.44kcal
  • Fat: 8.09g
  • Saturated Fat: 4.85g
  • Trans Fat: 0.16g
  • Monounsaturated Fat: 2.17g
  • Polyunsaturated Fat: 0.46g
  • Carbohydrates: 9.86g
  • Fiber: 2.61g
  • Sugar: 3.91g
  • Protein: 9.86g
  • Cholesterol: 22.97mg
  • Sodium: 448.26mg
  • Calcium: 328.66mg
  • Potassium: 697.61mg
  • Iron: 2.99mg
  • Vitamin A: 575.85µg
  • Vitamin C: 30.44mg
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