Spinach Mushroom Breakfast Casserole

Name: Spinach Mushroom Breakfast Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 6 servings
Ingredients: 1 tablespoon olive oil; 1 cup mushrooms, sliced; 2 cups fresh spinach, chopped; 6 large eggs; 1 cup milk; 1 cup shredded cheese (cheddar or mozzarella); Salt and pepper to taste; 1 teaspoon garlic powder; 1 teaspoon onion powder; 1/2 teaspoon paprika; 1/4 cup green onions, chopped (optional)

Highlighted under: Easy Comfort Recipes

A delicious and hearty breakfast option that combines fresh spinach, mushrooms, and eggs for a nutritious start to your day.

Created by

Anna

Last updated on 2025-12-22T20:58:29.751Z

Enjoy a warm and filling breakfast with this Spinach Mushroom Breakfast Casserole. It's a perfect dish for family gatherings or meal prep for the week.

        Why You Will Love This Recipe
        Packed with nutrients from fresh spinach and mushrooms
Perfectly seasoned and fluffy eggs create a delightful texture
Great for meal prep and can be easily customized with your favorite ingredients

      

Nutritional Benefits

The Spinach Mushroom Breakfast Casserole is not just a tasty dish; it is also packed with nutritional benefits. Spinach is loaded with vitamins A, C, and K, as well as minerals like iron and calcium. These nutrients are essential for maintaining healthy bones, skin, and immune function. Incorporating mushrooms adds a rich source of antioxidants, which can help combat oxidative stress in the body.

Eggs serve as a fantastic source of protein, making this casserole a filling breakfast option that will keep you energized throughout the morning. The combination of eggs and milk also provides a good dose of calcium, contributing to your overall bone health. With each serving, you are ensuring a balanced meal that nourishes both your body and mind.

Meal Prep Made Easy

One of the best aspects of the Spinach Mushroom Breakfast Casserole is its convenience for meal prep. You can easily make this dish ahead of time, allowing for quick breakfasts throughout the week. Simply prepare the casserole, bake it, and store it in the refrigerator. When you're ready to enjoy, just reheat a slice in the microwave or oven for a warm, satisfying meal in minutes.

Additionally, this casserole is highly customizable. Feel free to add in your favorite vegetables, proteins, or spices to suit your taste preferences. Whether you want to include bell peppers, ham, or even a sprinkle of hot sauce, the possibilities are endless. This versatility makes it a go-to option for families with varying tastes.

Perfect for Any Occasion

This Spinach Mushroom Breakfast Casserole is not only ideal for busy weekday mornings but also perfect for special occasions. Whether you’re hosting a brunch, a holiday gathering, or a cozy weekend breakfast with family, this dish impresses with its vibrant flavors and appealing presentation. Pair it with a side of fresh fruit or a light salad for a complete meal.

Moreover, it can easily be scaled up or down depending on the number of guests you’re serving. Simply adjust the ingredient quantities and use a larger baking dish for larger gatherings. Its ease of preparation means you can spend more time enjoying the company of your loved ones instead of being stuck in the kitchen.

Ingredients

Gather the following ingredients to make this delicious casserole:

Ingredients

1 tablespoon olive oil
1 cup mushrooms, sliced
2 cups fresh spinach, chopped
6 large eggs
1 cup milk
1 cup shredded cheese (cheddar or mozzarella)
Salt and pepper to taste
1 teaspoon garlic powder
1 teaspoon onion powder
1/2 teaspoon paprika
1/4 cup green onions, chopped (optional)

Once you have all the ingredients, you're ready to start cooking!

Instructions

Follow these simple steps to prepare your casserole:

Sauté the Vegetables

In a large skillet, heat olive oil over medium heat. Add the sliced mushrooms and sauté for about 5 minutes until they are softened. Add the chopped spinach and cook for an additional 2-3 minutes until wilted. Remove from heat.

Prepare the Egg Mixture

In a large bowl, whisk together the eggs, milk, garlic powder, onion powder, paprika, salt, and pepper until well combined.

Combine and Add Cheese

Stir the sautéed vegetables into the egg mixture. Fold in the shredded cheese and green onions if using.

Bake the Casserole

Preheat your oven to 350°F (175°C). Pour the mixture into a greased baking dish and spread it evenly. Bake for 25-30 minutes, or until the eggs are set and the top is slightly golden.

Serve and Enjoy

Let the casserole cool for a few minutes before slicing. Serve warm and enjoy your nutritious breakfast!

Enjoy your delicious Spinach Mushroom Breakfast Casserole!

Storage Tips

To store any leftovers of the Spinach Mushroom Breakfast Casserole, allow it to cool completely before transferring it to an airtight container. This will help maintain its freshness and prevent any unwanted odors from affecting the flavor. The casserole can be stored in the refrigerator for up to four days, making it a great option for meal prep.

If you want to freeze the casserole, make sure to cut it into individual portions. Wrap each slice tightly in plastic wrap and then in aluminum foil, or place them in a freezer-safe container. This way, you can enjoy a delicious breakfast without the hassle of cooking from scratch. Just reheat in the oven or microwave when you’re ready to eat!

Serving Suggestions

For an extra touch of flavor, consider serving the casserole with a dollop of sour cream or Greek yogurt on top. Adding a sprinkle of fresh herbs, such as parsley or dill, can elevate the presentation and taste. You can also serve it alongside a light, refreshing salad to balance the richness of the casserole.

To add a bit of crunch, pair the casserole with some toasted whole grain bread or a side of crispy hash browns. These options complement the soft texture of the casserole and add a delightful contrast. No matter how you choose to serve it, this breakfast dish is sure to be a hit!

Questions About Recipes

→ Can I make this casserole ahead of time?

Yes, you can prepare it the night before and store it in the refrigerator. Just bake it in the morning!

→ What other ingredients can I add?

You can add bell peppers, cooked bacon, or sausage for extra flavor.

→ Is it possible to make this dish gluten-free?

Yes, this recipe is naturally gluten-free as it doesn't require any bread or flour.

→ How long can I store leftovers?

Leftovers can be stored in an airtight container in the refrigerator for up to 3 days.