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Cheesy Spinach Casserole
4.9 from 30 votes

Cheesy Spinach Casserole

Spinach Casserole is a loaded creamy, and cheesy side dish topped with a crispy French fried onions and Panko topping.

Prep Time
30 mins
Cook Time
30 mins
Total Time
1 hr
Servings: 8 servings
Calories: 383 kcal
Course: Side Dish
Cuisine: American

Ingredients

Topping:
  • 1 cup onion lightly crushed, use store-bought or homemade, fried
  • 1/2 cup panko breadcrumbs
  • 1/2 cup gouda cheese shredded
Sauce:
  • 2 tablespoons olive oil
  • 18 oz. spinach 2 bags, fresh
  • 3 tablespoons butter
  • 4 cloves garlic minced
  • 3 tablespoons flour
  • 1 cup milk whole
  • 2/3 cup heavy cream
  • 1/2 teaspoon kosher salt or to taste
  • 1/4 teaspoon black pepper or to taste
  • 1 teaspoon paprika
  • 1/4 teaspoon red pepper flakes
  • 4 oz. cream cheese
  • 1 1/2 cup gruyere cheese shredded
  • 1/3 cup Parmesan Cheese grated
  • lemon optional - but delicious, zest of 1

Instructions

Topping:
    Cup of Yum
  1. Preheat the oven to 350 degrees F.
  2. Combine the topping ingredients in a small bowl, mix, and set aside.
Sauce:
  1. In a large skillet over medium heat, add the olive oil. After that, add the spinach in batches, and cook, stirring until wilted, about 5 minutes. Transfer to a bowl and set aside.
  2. Next, in the same skillet add the butter, melt it, and stir it until bubbly. Add the minced garlic and flour and stir constantly with a wooden spoon, for 2 minutes, until a roux forms.
  3. Have the milk next to you and once the flour and butter are combined, whisk in the milk and cream little by little. Season the mixture with salt, pepper, paprika, and red pepper flakes. Cook, stirring frequently, until the mixture thickens, about 5 to 7 minutes.
  4. Reduce the heat to low and stir in the cream cheese until completely combined.
  5. After that, add the shredded Gruyère little by little, stirring well after each addition to make sure the cheese is fully incorporated before adding more.
  6. Stir in the parmesan cheese. The mixture will be very thick at this point.
  7. Add the spinach with juices from the bowl back to the pan, and stir until well combined.
  8. Add the remaining 1/2 cup of French fried onions and stir.
  9. Transfer the mixture to an 8-by-8-inch baking dish.
  10. Sprinkle with the prepared topping.
  11. Bake in the preheated oven until the casserole is bubbling and the topping is golden brown, about 30 to 35 minutes.
  12. Let sit for at least 10 minutes before serving. Top with freshly grated lemon zest before serving.

Nutrition Information

Calories 383kcal (19%) Carbohydrates 15g (5%) Protein 18g (36%) Fat 28g (43%) Saturated Fat 13g (65%) Polyunsaturated Fat 2g (12%) Monounsaturated Fat 10g (50%) Cholesterol 59mg (20%) Sodium 773mg (32%) Potassium 534mg (11%) Fiber 2g (8%) Sugar 4g (8%) Vitamin A 6834IU (137%) Vitamin C 18mg (20%) Calcium 547mg (55%) Iron 2mg (11%)

Nutrition Facts

Serving: 8 servings

Amount Per Serving

Calories 383

% Daily Value*

Calories 383kcal 19%
Carbohydrates 15g 5%
Protein 18g 36%
Fat 28g 43%
Saturated Fat 13g 65%
Polyunsaturated Fat 2g 12%
Monounsaturated Fat 10g 50%
Cholesterol 59mg 20%
Sodium 773mg 32%
Potassium 534mg 11%
Fiber 2g 8%
Sugar 4g 8%
Vitamin A 6834IU 137%
Vitamin C 18mg 20%
Calcium 547mg 55%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.