Make this easy creamed spinach casserole for a classic and comforting holiday side that is also simple enough to enjoy any night of the week.

taking a spoonfull of Spinach Casserole out of the casserole dish

Holly’s Hearty Spinach Highlights

  • Flavor: Spinach casserole is creamy and rich with a cheesy and savory base. Gruyere adds a nutty, smoky note while the white cheddar adds sharpness and depth.
  • Skill Level: It is a super simple recipe that comes together in no time!
  • Prep Note: Prep that holiday meal ahead of time with this recipe. Assemble, cover, and chill until ready to bake.
  • Budget tip: No need for name brand spinach or cream cheese, any brand will taste just as good and work well in this recipe.
heavy cream, white cheddar, onion powder, salt and pepper, garlic, butter, gruyere cheese, pork rinds, cream cheese, and spinach assembled to make spinach casserole

Ingredient Notes

  • Spinach: Chopped frozen spinach is an economical and easy option.
  • Sauce: Go for full-fat cream cheese and heavy cream for the best results.
  • Cheese: Gruyere and white cheddar melt into a velvety and super savory sauce. Smoked Gruyere is especially tasty, but regular tastes great too.
  • Topping: Crushed pork rinds add crunch and a pop of flavor to spinach casserole.

A Casserole with Character

  • Add other low-carb veggies like sliced zucchini or mushrooms, sauteed onions, or diced bell peppers.
  • Make it a main dish and add mini meatballs, shredded chicken, or leftover steak.
  • Experiment with Havarti, mozzarella, Monterey Jack, or a combination of white cheeses.
  • Topping alternatives include keto breadcrumbs, slivered almonds, or chopped walnuts.

How to Make Spinach Casserole

  1. Cook garlic in butter, whisk in cream cheese and heavy cream until the sauce is smooth.
  2. Stir in spinach, Gruyere, half the cheddar, and seasonings.
  3. Transfer mixture to baking dish and top with remaining cheese and breadcrumbs.
  4. Bake until the cheese is golden and bubbly.

Spinach Casserole Secrets

  • It is important to remove as much water as possible from the spinach so the dish doesn’t get watery. Place frozen spinach in a strainer to drain while you prep the rest of the recipe, then press any remaining liquid out. Alternatively spread it on a clean dish towel, roll the towel up, and twist it to squeeze the liquid out.
  • Allow the casserole to rest for a few minutes after baking so it can firm up a bit.
Spinach Casserole with a portion missing

From Oven to Fridge

  • Refrigerate spinach casserole in a covered container for up to 4 days.
  • Reheat leftovers in the microwave or in a low temperature oven covered with foil, until warmed through.
  • Freeze portions in zippered bags for up to 2 months, and be sure to label with the date. Thaw in the refrigerator, drain, and reheat as desired.

Keto Sides for Holidays

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Spinach Casserole in a casserole dish with a part taken out
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Spinach Casserole

Spinach casserole is a cheesy, creamy baked side that’s simple and comforting.
Prep Time 5 minutes
Cook Time 20 minutes
Resting Time 10 minutes
Total Time 35 minutes
Servings 8
Author Holly

Ingredients  

  • 2 tablespoons butter
  • 2 cloves garlic minced
  • cup heavy cream
  • 4 ounces cream cheese cubed
  • 2 (10 ounce) packages frozen chopped spinach thawed and squeezed dry
  • ½ cup shredded Gruyere cheese (I used smoked Gruyere)
  • 1 cup shredded white cheddar cheese divided
  • ½ teaspoon onion powder
  • ¼ teaspoon salt
  • ¼ teaspoon pepper
  • ¼ cup crushed pork rinds or low-carb breadcrumbs, optional

Instructions 

  • Preheat oven to 375℉. Grease a 2-quart baking dish.
  • Melt butter in a small skillet over medium heat. Add garlic and cook 1 minute.
  • Add cream cheese and heavy cream. Stir until the sauce is smooth.
  • Stir in spinach, Gruyere, half of the cheddar, onion powder, salt, and pepper. Mix until the cheese is melted.
  • Transfer the mixture to the prepared baking dish. Sprinkle with remaining cheddar and crushed pork rinds.
  • Bake for 20-25 minutes, or until the top is golden and edges are bubbly.
  • Let rest for 10 minutes before serving. Serve warm.
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Nutrition Information

Calories: 207kcal | Carbohydrates: 2g | Protein: 8g | Fat: 19g | Saturated Fat: 11g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 0.1g | Cholesterol: 57mg | Sodium: 310mg | Potassium: 52mg | Fiber: 0.1g | Sugar: 1g | Vitamin A: 674IU | Vitamin C: 0.3mg | Calcium: 207mg | Iron: 0.1mg

Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.

Course Side Dish
Cuisine American

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About the author

At Easy Low Carb® we believe that every meal should be full of big bold flavor! From amazing main dishes and simple sides to the best party snacks, reducing carbs doesn’t mean giving up your favorites!
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