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5 from 1 vote

Creamy Spinach and Mushroom Gratin

This delicious, low carb side dish is right out of The Ketongenic Kitchen Cookbook.
Prep Time10 mins
Cook Time45 mins
Total Time55 mins
Course: meatless, Side Dish, vegetarian
Cuisine: American
Diet: Diabetic, Gluten Free
Servings: 8 servings
Calories: 263kcal
Author: Lauren Kelly


  • 6 tablespoons butter
  • 2 cloves garlic minced
  • 10 ounces button mushrooms sliced
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • 24 ounces fresh baby spinach
  • 1 cup heavy cream
  • ¼ teaspoon ground nutmeg
  • ½ cup Parmesan cheese grated
  • ¾ cup Gruyere cheese shredded


  • Preheat oven to 425 degrees F.
  • Melt 4 tablespoons of butter in a large skillet over medium heat. Add the garlic and cook for 1 minute.  Add the mushrooms and sprinkle with salt and pepper. Saute' until the mushrooms are golden brown, about 5 to 7 minutes.
  • Add the spinach ad continue to cook until the spinach has wilted.  Transfer the mixture a 1 ½ quart oval baking dish.
  • In the same skillet, melt the remaining 2 tablespoons of butter over medium heat. Add the cream and nutmeg and cook until bubbles appear around the edges. Stir in the Parmesan and continue to cook until the mixture has thickened, 3 to 4 minutes.
  • Pour the cream mixture over the spinach and mushrooms. Sprinkle with Gruyere cheese. Bake for 18-22 minutes until the cheese is bubbly and lightly browned.


Carbs: 6 grams  
Fiber: 2.2 grams  
Net carbs: 3.8


Calories: 263kcal | Carbohydrates: 3g | Protein: 8g | Fat: 25g | Saturated Fat: 16g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 7g | Trans Fat: 1g | Cholesterol: 81mg | Sodium: 521mg | Potassium: 158mg | Fiber: 1g | Sugar: 1g | Vitamin A: 867IU | Vitamin C: 1mg | Calcium: 224mg | Iron: 1mg