Spinach Mushroom Breakfast Casserole: 5 Reasons to Love It

Oh my goodness, let me tell you about this Spinach Mushroom Breakfast Casserole! It’s not just any breakfast dish; it’s a hearty, nutritious delight that’s perfect for lazy Sunday brunches or even quick weekday breakfasts. I love how it’s packed with fresh spinach and mushrooms, making it feel like a big hug for your morning routine. Trust me, there’s something magical about that first bite—the fluffy eggs, the savory mushrooms, and the slight saltiness of melted cheese just combine into pure bliss! I often whip this up when I have friends over, and it’s always a hit. Plus, it’s so versatile! You can easily customize it with whatever veggies or cheeses you have on hand. It’s like a blank canvas for your breakfast creativity!

Spinach Mushroom Breakfast Casserole - detail 1

Ingredients List

  • 2 cups fresh spinach: Rinse the spinach leaves well, then roughly chop them if you prefer smaller pieces. Fresh spinach adds a vibrant color and nutritious boost to the casserole.
  • 1 cup mushrooms, sliced: I love using button or cremini mushrooms for their earthy flavor. Just slice them up, and they’ll add a wonderful texture and depth to the dish.
  • 6 large eggs: These are the heart of the casserole! They provide the structure and fluffiness, so make sure they’re at room temperature for better mixing.
  • 1 cup milk: Any kind of milk works here—whole, 2%, or even a non-dairy alternative if you prefer! It helps to create a creamy texture.
  • 1 cup shredded cheese: I usually go for a mix of cheddar and mozzarella for that melty goodness, but feel free to use your favorite cheese.
  • 1 teaspoon salt: This will enhance all the flavors, so don’t skip it! Adjust to taste if you’re watching your sodium intake.
  • 1/2 teaspoon black pepper: Freshly ground black pepper adds a nice kick, which complements the earthiness of the mushrooms.
  • 1 teaspoon garlic powder: This is my secret weapon for adding savory depth without the fuss of chopping garlic!
  • 1 tablespoon olive oil: Use this for sautéing the mushrooms and spinach, giving them a lovely flavor and helping them cook evenly.

How to Prepare Spinach Mushroom Breakfast Casserole

Preheat the Oven

First things first, you’ve got to preheat the oven to 350°F (175°C). This step is crucial because it ensures that your casserole cooks evenly and sets perfectly. No one likes a soggy breakfast, right?

Sauté the Vegetables

Next, grab a skillet and heat the olive oil over medium heat. Once it’s nice and hot, toss in those sliced mushrooms. Sauté them until they’re soft and golden, about 5-7 minutes. Then, add the fresh spinach! Cook it until it’s just wilted, which should take another 2-3 minutes. Seriously, this step brings out all those amazing flavors and makes your kitchen smell heavenly!

Mix the Egg Mixture

In a separate bowl, whisk together the eggs, milk, salt, pepper, and garlic powder. This is where the magic happens! Once it’s all blended, gently fold in the sautéed spinach and mushrooms. Make sure everything is coated well—this mixture is going to be the heart of your casserole!

Bake the Casserole

Pour the delicious egg and veggie mixture into a greased baking dish, smoothing it out evenly. Now, sprinkle that shredded cheese generously on top—yum! Pop it in the oven and bake for about 30-35 minutes. You’ll know it’s done when the center is set and a little springy to the touch. Let it cool for a few minutes before slicing, so it holds its shape beautifully!

Why You’ll Love This Recipe

  • Nutritious: Packed with fresh spinach and mushrooms, this casserole is loaded with vitamins and minerals to kickstart your day!
  • Easy to prepare: With simple steps and minimal prep, you can whip this up in no time—even on busy mornings!
  • Great for meal prep: Make it ahead of time and enjoy leftovers throughout the week—perfect for those hectic mornings when you need a quick bite!
  • Customizable: Feel free to swap in your favorite veggies or cheeses—it’s a fantastic way to use up what you’ve got in the fridge!
  • Hearty and filling: This casserole is satisfying enough to keep you energized until lunch, making it a perfect brunch option.
  • Family-friendly: Everyone loves it! It’s a great way to sneak in some greens without anyone noticing.

Tips for Success

Now that you’re ready to dive into making this Spinach Mushroom Breakfast Casserole, here are some of my best tips to ensure it turns out perfect every time!

  • Ingredient Swaps: Don’t hesitate to mix things up! You can use kale instead of spinach for a different flavor and texture, or try adding diced bell peppers for a pop of color. If you’re not a fan of mushrooms, zucchini or cooked sausage can make great substitutes!
  • Cooking Times: Keep an eye on your casserole as it bakes. Oven temperatures can vary, so check it a few minutes before the 30-minute mark. It should be set in the center and not jiggly at all.
  • Presentation: For a lovely touch, sprinkle some fresh herbs like parsley or chives on top right before serving. It adds a burst of color and freshness!
  • Cheese Variation: Experiment with different cheese blends. Feta or goat cheese can add a tangy twist, while a bit of pepper jack gives it a nice kick.
  • Chill Before Cutting: Let the casserole cool for about 5-10 minutes after taking it out of the oven before slicing. This helps it hold its shape and makes serving much easier!

With these tips in your back pocket, you’re all set to create a delicious breakfast casserole that’ll impress everyone at the table. Happy cooking!

Nutritional Information

Here’s a quick look at the nutritional information for my Spinach Mushroom Breakfast Casserole. Keep in mind that these values are estimates and can vary based on ingredient brands and specific measurements, but they give you a good idea of what you’re enjoying!

  • Serving Size: 1 slice
  • Calories: Approximately 220
  • Fat: 12g
  • Saturated Fat: 5g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Cholesterol: 180mg
  • Sodium: 300mg
  • Carbohydrates: 10g
  • Fiber: 1g
  • Sugar: 2g
  • Protein: 14g

This casserole packs a nutritious punch while keeping you feeling satisfied and energized. Enjoy every delicious bite knowing that it’s good for you, too!

Serving Suggestions

When it comes to serving my Spinach Mushroom Breakfast Casserole, the possibilities are endless! I love pairing it with a fresh side salad for a light crunch. A simple mix of arugula, cherry tomatoes, and a drizzle of balsamic vinaigrette really brightens up the meal and adds a zesty contrast to the rich casserole.

If you’re in the mood for something heartier, consider serving it with crispy hash browns or roasted potatoes. The crispy texture complements the softness of the casserole perfectly! And don’t forget about some sliced avocado on the side—it adds a creamy richness that’s just divine.

As for beverages, a refreshing glass of freshly squeezed orange juice or a steaming cup of coffee is always a hit. If you’re feeling fancy, a light mimosa can really elevate your brunch experience! Whatever you choose, I promise this casserole will be the star of the meal, so enjoy every moment around the table!

Storage & Reheating Instructions

Storing leftovers of my Spinach Mushroom Breakfast Casserole is super easy and keeps your delicious creation fresh for days! Once the casserole has cooled completely, slice it into individual portions. I like to use airtight containers to keep everything nice and sealed. You can store it in the refrigerator for up to 3 days—perfect for grabbing a quick breakfast on the go!

When you’re ready to enjoy a slice (or two!), you can reheat it in a few different ways. The microwave is the quickest option; just pop a slice on a plate and heat it for about 1-2 minutes, depending on your microwave’s power. If you prefer a slightly crispier texture, you can reheat it in the oven. Preheat your oven to 350°F (175°C), place the slice on a baking sheet, and warm it up for about 10-15 minutes. This method helps to revive that lovely cheesy goodness!

Whichever way you choose, you’ll find that this casserole holds up beautifully, making it a fantastic meal prep option. Enjoy those tasty leftovers without any hassle!

FAQ Section

Can I make this casserole ahead of time?
Absolutely! This Spinach Mushroom Breakfast Casserole is perfect for making in advance. Just prepare it, cover it tightly, and store it in the fridge for up to a day before baking. You can also bake it ahead of time, let it cool, and then reheat it when you’re ready to serve.

Can I freeze leftovers?
Yes, you can freeze this casserole! Once it’s completely cool, slice it into portions and wrap each piece tightly in plastic wrap, then place them in a freezer-safe container or bag. It’ll keep well for up to 2 months. Just thaw it in the fridge overnight before reheating!

Is this recipe gluten-free?
Yes! The Spinach Mushroom Breakfast Casserole is naturally gluten-free since it doesn’t contain any bread or flour. Just double-check your cheese and any other ingredients to make sure they’re labeled gluten-free if you have dietary restrictions.

How many servings does this recipe make?
This recipe yields about 6 servings. It’s perfect for a small gathering or a family breakfast! If you’re expecting more guests, feel free to double the recipe and bake it in a larger dish.

Can I add other vegetables or meats?
Definitely! This casserole is super versatile. You can mix in other veggies like bell peppers, zucchini, or even some cooked sausage or bacon for an extra protein boost. Just make sure to sauté any additional vegetables to remove excess moisture before adding them to the egg mixture.

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Spinach Mushroom Breakfast Casserole

Spinach Mushroom Breakfast Casserole: 5 Reasons to Love It


  • Author: Louna
  • Total Time: 50 minutes
  • Yield: 6 servings 1x
  • Diet: Vegetarian

Description

A hearty and nutritious casserole perfect for breakfast or brunch.


Ingredients

Scale
  • 2 cups fresh spinach
  • 1 cup mushrooms, sliced
  • 6 large eggs
  • 1 cup milk
  • 1 cup shredded cheese
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 teaspoon garlic powder
  • 1 tablespoon olive oil

Instructions

  1. Preheat the oven to 350°F (175°C).
  2. Heat olive oil in a skillet over medium heat.
  3. Add mushrooms and sauté until soft.
  4. Add spinach and cook until wilted.
  5. In a bowl, whisk together eggs, milk, salt, pepper, and garlic powder.
  6. Mix in the cooked spinach and mushrooms.
  7. Pour the mixture into a greased baking dish.
  8. Sprinkle cheese on top.
  9. Bake for 30-35 minutes until set.

Notes

  • Let it cool for a few minutes before slicing.
  • Can be stored in the refrigerator for up to 3 days.
  • Reheat in the microwave or oven before serving.
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 220
  • Sugar: 2g
  • Sodium: 300mg
  • Fat: 12g
  • Saturated Fat: 5g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 10g
  • Fiber: 1g
  • Protein: 14g
  • Cholesterol: 180mg

Keywords: Spinach Mushroom Breakfast Casserole, breakfast casserole, vegetarian breakfast

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