Cheesy Spinach Mushroom Egg Casserole: A Wholesome Breakfast Delight

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Everyday Culinary Delights👩‍🍳

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When it comes to starting your day with a hearty, nutritious, and incredibly tasty meal, nothing beats the Cheesy Spinach Mushroom Egg Casserole. Packed with fresh vegetables, creamy goat cheese, and protein-rich eggs, this casserole is a crowd-pleaser that works equally well for a quick weekday breakfast or a weekend brunch with family and friends. Plus, it’s easy to make, gluten-free, and versatile enough to suit your preferences.

Why You’ll Love This Recipe

1. Simple Yet Elegant

This casserole combines everyday ingredients with an elevated taste that feels gourmet.

2. Nutrient-Packed

With fresh spinach, mushrooms, and eggs, it’s a healthy choice that doesn’t compromise on flavor.

3. Perfect for Meal Prep

Make it ahead, slice it into portions, and enjoy a wholesome breakfast all week long.

Ingredients You’ll Need

Here’s everything you need to create this mouthwatering casserole:

IngredientAmountSubstitutions
Olive oil1 tbspAvocado oil or butter
Cremini mushrooms16 ozWhite button mushrooms or portobellos
Fresh spinach leaves4 cups (packed)Kale or Swiss chard
Garlic3 cloves (minced)Garlic powder (1 tsp)
Kosher saltTo tasteSea salt
Black pepperTo taste
Green onions2 (sliced)Shallots or chives
Goat cheese4 oz (divided)Feta cheese
Eggs18 large
Milk½ cupDairy-free milk (almond or oat)
Fresh chivesOptional garnishParsley or dill

Step-by-Step Instructions

Step 1: Preheat and Prepare

  • Preheat your oven to 350°F.
  • Grease a 9×13-inch baking dish with nonstick cooking spray and set it aside.

Step 2: Cook the Vegetables

  1. Heat olive oil in a large skillet over high heat.
  2. Add the sliced mushrooms and sauté for about 3 minutes, until tender.
  3. Stir in the spinach and garlic, cooking until the spinach wilts, about 3 minutes.
  4. Season with salt and black pepper to taste.

Step 3: Assemble the Casserole

  1. Spread the vegetable mixture evenly across the prepared baking dish.
  2. Sprinkle sliced green onions over the vegetables.
  3. Crumble half of the goat cheese over the mixture.

Step 4: Prepare the Egg Mixture

  1. In a large bowl, whisk together the eggs and milk until well combined.
  2. Season with salt and black pepper to taste.
  3. Pour the egg mixture evenly over the vegetables and cheese in the baking dish.

Step 5: Add Final Touches

  • Crumble the remaining goat cheese over the top of the eggs.

Step 6: Bake

  1. Place the casserole in the preheated oven.
  2. Bake for 30–40 minutes, or until the eggs are set and the edges are golden brown.

Step 7: Serve

  1. Remove the casserole from the oven and let it cool for about 5 minutes.
  2. Garnish with freshly chopped chives, if desired.
  3. Slice into squares and serve warm.

Tips for Perfect Casserole

1. Use Fresh Ingredients

Opt for fresh spinach and mushrooms for the best flavor and texture.

2. Don’t Overcook the Eggs

Remove the casserole from the oven as soon as the eggs are set to avoid a rubbery texture.

3. Experiment with Add-Ins

You can add cooked bacon, diced bell peppers, or even sun-dried tomatoes for added variety.

Serving Suggestions

Pair your Cheesy Spinach Mushroom Egg Casserole with:

  • A side of fresh fruit or a simple green salad.
  • Toasted bread or bagels for a heartier meal.
  • A cup of hot coffee or fresh orange juice.

Nutritional Information

NutrientAmount per Serving
Calories180
Protein12g
Carbohydrates4g
Fat12g
Fiber2g

FAQs About Cheesy Spinach Mushroom Egg Casserole

1. Can I Make This Ahead of Time?

Absolutely! You can prepare the casserole the night before, refrigerate it, and bake it fresh in the morning.

2. How Do I Store Leftovers?

Store leftover casserole in an airtight container in the refrigerator for up to 4 days.

3. Can I Freeze It?

Yes, slice the casserole into portions and freeze them for up to 2 months. Reheat in the microwave or oven before serving.

4. Can I Use Different Cheeses?

Of course! Feta, mozzarella, or cheddar are great alternatives to goat cheese.

5. Is This Recipe Keto-Friendly?

Yes, this casserole is naturally low in carbs and high in protein, making it suitable for a keto diet.

6. How Can I Make It Dairy-Free?

Use a dairy-free milk alternative and skip the goat cheese, or replace it with a dairy-free cheese option.

Conclusion: Your Go-To Breakfast Casserole

The Cheesy Spinach Mushroom Egg Casserole is a versatile, nutrient-packed dish that’s as easy to make as it is delicious. Whether you’re feeding a crowd or meal-prepping for the week, this casserole is sure to become a favorite in your kitchen.

Try It Today!

Gather your ingredients, follow the steps, and treat yourself to a wholesome breakfast. Don’t forget to share your creation with friends and family—they’ll be asking for the recipe in no time!

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Cheesy Spinach Mushroom Egg Casserole: A Wholesome Breakfast Delight


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  • Author: Clara
  • Total Time: 45 minutes
  • Yield: 8 servings

Description

Start your day with this Cheesy Spinach Mushroom Egg Casserole, a hearty and healthy breakfast bursting with fresh spinach, earthy mushrooms, creamy goat cheese, and protein-packed eggs. This easy-to-make, gluten-free dish is perfect for meal prep, family brunches, or a quick breakfast that feels gourmet.


Ingredients

For the Casserole

  • 1 tbsp olive oil (or avocado oil)
  • 16 oz cremini mushrooms, sliced (or white button mushrooms)
  • 4 cups fresh spinach leaves (packed; or substitute kale/Swiss chard)
  • 3 cloves garlic, minced (or 1 tsp garlic powder)
  • Kosher salt, to taste
  • Black pepper, to taste
  • 2 green onions, sliced (or substitute shallots/chives)
  • 4 oz goat cheese, divided (or feta cheese)
  • 18 large eggs
  • ½ cup milk (or almond/oat milk for dairy-free)

Optional Garnish

  • Fresh chives, chopped (or parsley/dill)

Instructions

Step 1: Preheat and Prepare

  • Preheat your oven to 350°F (175°C).
  • Grease a 9×13-inch baking dish with nonstick cooking spray and set aside.

Step 2: Cook the Vegetables

  1. Heat olive oil in a large skillet over medium-high heat.
  2. Add sliced mushrooms and sauté for about 3 minutes until tender.
  3. Add spinach and garlic, stirring until the spinach wilts, about 3 minutes.
  4. Season with salt and black pepper to taste. Remove from heat.

Step 3: Assemble the Casserole

  1. Spread the cooked vegetable mixture evenly across the prepared baking dish.
  2. Sprinkle sliced green onions over the vegetables.
  3. Crumble half of the goat cheese on top.

Step 4: Prepare the Egg Mixture

  1. In a large mixing bowl, whisk together eggs and milk until well combined.
  2. Season the mixture with salt and black pepper to taste.
  3. Pour the egg mixture evenly over the vegetables and cheese in the dish.

Step 5: Add Final Touches

  • Crumble the remaining goat cheese over the top of the eggs.

Step 6: Bake

  1. Place the casserole in the preheated oven.
  2. Bake for 30–40 minutes, or until the eggs are set and the edges are golden brown.

Step 7: Serve

  1. Remove the casserole from the oven and let it cool for 5 minutes.
  2. Garnish with freshly chopped chives, if desired.
  3. Slice into portions and serve warm.
  • Prep Time: 10 minutes
  • Cook Time: 35 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

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