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Spinach Mushroom Breakfast Casserole

Spinach Mushroom Breakfast Casserole for Easy Mornings

Enjoy a hearty Spinach Mushroom Breakfast Casserole, perfect for kick-starting your day with nutritious ingredients and customizable flavors.
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Prep Time 15 minutes
Cook Time 40 minutes
Cooling Time 10 minutes
Total Time 1 hour 5 minutes
Servings: 6 slices
Course: Breakfast
Cuisine: American
Calories: 280
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Casserole
  • 6 large eggs Fresh, large eggs create a fluffy texture.
  • 4 cups fresh spinach Adds nutrition and vibrant color.
  • 8 ounces mushrooms Any variety, sliced.
  • 1 cup milk Provides moisture; use whole or reduced-fat.
  • 1 cup shredded cheese Cheddar or mozzarella are popular choices.
  • 1 onion Diced; sweet and aromatic.
  • 2 cloves garlic Fresh minced garlic for flavor.
  • to taste salt Essential seasoning.
  • to taste black pepper Essential seasoning.
  • to taste paprika Essential seasoning.
  • 2 tablespoons olive oil Used for sautéing.
  • fresh herbs (optional) Like parsley or chives for garnish.

Equipment

  • Large Skillet
  • mixing bowl
  • 8x8-inch Baking Dish

Method
 

Step‑by‑Step Instructions
  1. Preheat your oven to 350°F (175°C).
  2. In a large skillet, heat 2 tablespoons of olive oil over medium heat. Add 1 diced onion and 2 cloves of minced garlic, stirring frequently for about 2-3 minutes until the onion is translucent and fragrant.
  3. Add 8 ounces of sliced mushrooms to the skillet and sauté for an additional 3-4 minutes until tender.
  4. Add 4 cups of fresh chopped spinach and cook for about 2 minutes until wilted. Then remove from heat.
  5. In a large mixing bowl, whisk together 6 large eggs and 1 cup of milk. Season with salt, black pepper, and paprika to taste.
  6. Fold the sautéed vegetables and 1 cup of shredded cheese into the egg mixture until combined.
  7. Grease an 8x8-inch baking dish and pour the mixture into it, spreading evenly.
  8. Bake in the preheated oven for 35-40 minutes until the center is set and the top is golden brown.
  9. Let cool for 5-10 minutes before slicing and serving warm.

Nutrition

Serving: 1sliceCalories: 280kcalCarbohydrates: 8gProtein: 20gFat: 18gSaturated Fat: 7gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 8gCholesterol: 180mgSodium: 400mgPotassium: 300mgFiber: 2gSugar: 2gVitamin A: 1500IUVitamin C: 20mgCalcium: 200mgIron: 2.5mg

Notes

Prepare the egg mixture the night before for quick assembly in the morning. Test for doneness with a toothpick.

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