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Baked Spinach and Cheese Egg Casserole Recipe

Baked Spinach and Cheese Egg Casserole Recipe


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4.5 from 12 reviews

  • Author: Emma
  • Total Time: 45 minutes
  • Yield: 6 servings 1x
  • Diet: Vegetarian, Gluten-Free

Description

This Baked Spinach and Cheese Egg Casserole is a delicious and nutritious breakfast option that’s perfect for feeding a crowd or meal prepping. Packed with protein from eggs and cheesy goodness, it’s a satisfying way to start your day.


Ingredients

Scale

For the Casserole:

  • 8 large eggs
  • 1/2 cup whole milk
  • 1 cup shredded cheddar cheese
  • 1/2 cup crumbled feta cheese
  • 1 cup cooked spinach (squeezed dry and chopped)
  • 1/2 small onion (finely chopped)
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 tablespoon olive oil (for sautéing)
  • nonstick spray or butter for greasing

Instructions

  1. Preheat the oven: Preheat the oven to 350°F (175°C) and lightly grease a 9×9-inch baking dish with nonstick spray or butter.
  2. Sauté the onion: Heat olive oil in a small skillet over medium heat. Sauté the chopped onion for 2–3 minutes until softened, then set aside.
  3. Mix the ingredients: In a large bowl, whisk together the eggs and milk. Stir in the cheddar cheese, feta, chopped spinach, sautéed onion, garlic powder, salt, and black pepper.
  4. Bake: Pour the egg mixture into the prepared baking dish and spread evenly. Bake for 30–35 minutes or until the center is set and the top is golden.
  5. Rest and serve: Let rest for 5 minutes before slicing and serving.

Notes

  • You can use frozen spinach—just thaw, drain, and squeeze it dry.
  • Feel free to swap in other cheeses like mozzarella or goat cheese.
  • Add mushrooms, bell peppers, or cooked sausage for a heartier version.
  • Prep Time: 10 minutes
  • Cook Time: 35 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 square
  • Calories: 210
  • Sugar: 2g
  • Sodium: 370mg
  • Fat: 15g
  • Saturated Fat: 6g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 4g
  • Fiber: 1g
  • Protein: 14g
  • Cholesterol: 220mg