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Creamy Baked Spinach Casserole Recipe

Creamy Baked Spinach Casserole


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4.6 from 18 reviews

  • Total Time: 40 minutes
  • Yield: 7 1x

Description

Creamy spinach casserole delivers comfort with Mediterranean-inspired ingredients and cheese. Herb-infused layers promise delightful flavors you’ll savor with each comforting bite.


Ingredients

Scale
  • 1 (10 oz / 283 g) package frozen chopped spinach, thawed and drained
  • 1 (8 oz / 227 g) package cream cheese, softened
  • ½ cup grated Parmesan cheese
  • ½ cup shredded mozzarella cheese
  • ½ cup sour cream
  • 1 onion, diced
  • 2 cloves garlic, minced
  • 2 tbsps olive oil
  • ½ tsp salt
  • ¼ tsp black pepper
  • ¼ tsp red pepper flakes (optional, for a kick of heat)
  • ¼ cup breadcrumbs (optional, for added crunch)
  • Chopped fresh parsley, for garnish

Instructions

  1. Preparation: Preheat oven to 375°F (190°C) and thoroughly grease a ceramic baking dish with cooking spray to prevent adhesion.
  2. Sauté Foundation: In a large cast-iron skillet over medium heat, heat olive oil and sauté onions and garlic until softened and translucent, releasing aromatic flavors.
  3. Spinach Integration: Add thawed spinach to the skillet, stirring methodically to incorporate with aromatics and eliminate excess moisture, creating a cohesive vegetable base.
  4. Cheese Fusion: Combine cream cheese, sour cream, Parmesan, mozzarella, salt, pepper, and red pepper flakes in a large mixing bowl, whisking until achieving a smooth, homogeneous mixture.
  5. Blending Components: Gently fold the spinach mixture into the creamy cheese blend, ensuring complete and even distribution of ingredients.
  6. Baking Preparation: Pour the mixture into the prepared baking dish, leveling the surface and optionally sprinkling breadcrumbs on top for added texture and golden crispness.
  7. Oven Transformation: Bake in the preheated oven for 25-30 minutes, watching for enthusiastic bubbling edges and a beautifully bronzed surface indicating perfect doneness.
  8. Final Flourish: Remove from oven and allow brief cooling. Garnish with fresh parsley for a vibrant, herbaceous finishing touch before serving.

Notes

  • Prepare Ahead: Thaw spinach completely and squeeze out excess moisture to prevent watery consistency and ensure a rich, creamy texture.
  • Cheese Temperature Tip: Allow cream cheese to soften at room temperature for 30 minutes, creating smoother blending and preventing lumpy mixture.
  • Caramelization Secret: Cook onions and garlic slowly over medium-low heat to develop deep, sweet flavor without burning.
  • Crispy Topping Trick: For extra crunch, mix breadcrumbs with melted butter before sprinkling, creating a golden, crisp surface that adds textural excitement.
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Category: Breakfast, Lunch, Dinner
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 7
  • Calories: 292
  • Sugar: 2 g
  • Sodium: 389 mg
  • Fat: 22 g
  • Saturated Fat: 10 g
  • Unsaturated Fat: 10 g
  • Trans Fat: 0 g
  • Carbohydrates: 14 g
  • Fiber: 1 g
  • Protein: 9 g
  • Cholesterol: 47 mg