Baked Zucchini Spinach and Feta Casserole

My kitchen often feels like the heart of our home, a bustling hub where laughter, homework, and the aroma of something delicious constantly mingle. Just last Tuesday, after a particularly wild soccer practice and a mountain of laundry, I found myself staring into the refrigerator, completely devoid of inspiration. My three energetic kids were circling like hungry hawks, their rumbling tummies echoing my own exhaustion.

I craved something comforting, something nourishing, and something, frankly, easy. That’s when my eyes landed on a couple of beautiful green zucchinis, a bag of fresh spinach, and a block of creamy feta cheese. Inspiration struck!

I knew exactly what we needed: a warm, hearty, and utterly satisfying Baked Zucchini Spinach and Feta Casserole. Within minutes, the kitchen transformed from chaos to calm, filled with the promise of a delightful meal.

As the golden-brown casserole emerged from the oven, bubbling and fragrant, my youngest, Leo, exclaimed, “Mama, it smells like a hug!” And truly, this Baked Zucchini Spinach and Feta Casserole feels just like that – a warm, wholesome hug in a dish, perfect for busy weeknights and special gatherings alike. This recipe has become one of our family’s cherished go-to meals, always bringing smiles to the dinner table.

Why You’ll Love This Baked Zucchini Spinach and Feta Casserole

This Baked Zucchini Spinach and Feta Casserole truly hits all the right notes for a fantastic family meal. First, it is incredibly easy to prepare. You do not need any fancy culinary skills to create this impressive dish.

Furthermore, this casserole is packed with wholesome ingredients. Fresh zucchini and spinach provide a wealth of vitamins and fiber, making it a healthy choice you can feel good about serving. Then, the tangy feta cheese adds a wonderful burst of flavor that complements the vegetables beautifully.

This dish also offers incredible versatility; you can easily adapt it to suit your family’s preferences or whatever fresh produce you have on hand. It’s perfect for meal prepping, allowing you to enjoy delicious leftovers throughout the week. Finally, everyone loves this casserole.

Even picky eaters often find themselves asking for seconds of this creamy, cheesy, vegetable-rich delight. Get ready to add this amazing Baked Zucchini Spinach and Feta Casserole to your regular rotation!

Ingredients You’ll Need

Gathering your ingredients for this Baked Zucchini Spinach and Feta Casserole is simple. You likely have many of these staples in your pantry and refrigerator already. Using fresh, high-quality ingredients truly makes a difference in the final flavor of this comforting dish.

* 2 tablespoons olive oil
* 1 medium yellow onion, chopped
* 2 cloves garlic, minced
* 2 medium zucchini (about 1.5 lbs), grated
* 10 ounces fresh spinach, roughly chopped
* 4 large eggs
* 1 cup whole milk
* 1/4 cup all-purpose flour
* 1 teaspoon dried oregano
* 1/2 teaspoon dried basil
* 1/4 teaspoon ground black pepper
* 1/2 teaspoon salt (or to taste)
* 6 ounces feta cheese, crumbled
* 1/4 cup chopped fresh parsley, for garnish (optional)

Substitutions & Variations

This Baked Zucchini Spinach and Feta Casserole is wonderfully adaptable. Feel free to experiment with different ingredients to suit your family’s tastes or dietary needs. You can easily make this dish your own with a few simple swaps.

* Cheese Alternatives: While feta cheese provides a distinct salty tang, you can certainly use other cheeses. Try crumbled goat cheese for a creamier, milder flavor, or sprinkle in some shredded mozzarella or cheddar for a different cheesy experience. A mix of feta and a milder cheese can also work beautifully in your Baked Zucchini Spinach and Feta Casserole.

* Vegetable Swaps: Do not limit yourself to just zucchini and spinach. This casserole welcomes other vegetables. Add sliced mushrooms, diced bell peppers, or even some chopped artichoke hearts for extra texture and flavor.

If you do not have fresh spinach, you can use frozen spinach; just ensure you thaw it completely and squeeze out all excess water before adding it to the mixture. This step is crucial for preventing a watery Baked Zucchini Spinach and Feta Casserole.
* Gluten-Free Option: For a gluten-free version of this Baked Zucchini Spinach and Feta Casserole, simply substitute the all-purpose flour with an equal amount of your favorite gluten-free all-purpose flour blend.

The texture will remain quite similar, delivering a delicious and inclusive meal.
* Dairy-Free Adaptation: To make this Baked Zucchini Spinach and Feta Casserole dairy-free, use a plant-based milk alternative like unsweetened almond milk or soy milk instead of whole milk. You can also find dairy-free feta cheese substitutes in most grocery stores today, which work wonderfully in this recipe.

* Herb Enhancements: Experiment with different herbs to customize the flavor profile. Fresh dill or chives would add a lovely brightness. A pinch of nutmeg can also enhance the creamy elements of the casserole.

Dried thyme or a “Herbs de Provence” blend would also be delicious additions to your Baked Zucchini Spinach and Feta Casserole.
* Add Protein: For a heartier meal, consider adding cooked, shredded chicken, turkey, or even some lean ground beef or lamb to the mixture. Brown the meat with the onions and garlic before combining it with the vegetables. This turns the Baked Zucchini Spinach and Feta Casserole into a complete one-dish dinner.

As you experiment with the Baked Zucchini Spinach and Feta Casserole, consider different cheese alternatives that can customize the flavor profile. For more inspiration on breakfast casseroles, check out our Keto Crack Breakfast Casserole.

Step-by-Step Instructions

Making this Baked Zucchini Spinach and Feta Casserole is a straightforward process. Follow these simple steps, and you will have a delicious meal ready in no time. Precision at each stage ensures a perfect result.

1. Prepare Your Oven and Pan: Preheat your oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish with a little olive oil or cooking spray.

This prevents sticking and ensures easy cleanup.
2. Sauté Aromatics: Heat the olive oil in a large skillet or Dutch oven over medium heat.

Add the chopped onion and cook for about 5-7 minutes, until it softens and becomes translucent. Stir in the minced garlic and cook for another minute until fragrant.
3. Cook the Zucchini and Spinach: Add the grated zucchini to the skillet with the onion and garlic. Cook for 5-7 minutes, stirring occasionally, until the zucchini softens and releases its moisture. Next, add the fresh spinach, a handful at a time if necessary, and cook just until it wilts completely, about 2-3 minutes.

4. Remove Excess Moisture: This step is crucial for a non-watery casserole. Transfer the cooked zucchini and spinach mixture to a fine-mesh sieve set over a bowl.

Press down firmly with the back of a spoon to squeeze out as much excess liquid as possible. Discard the liquid.
5. Whisk Wet Ingredients: In a large bowl, whisk together the eggs, milk, and flour until thoroughly combined and smooth. Ensure no lumps of flour remain.
6. Season and Combine: Stir in the dried oregano, dried basil, black pepper, and salt into the egg mixture. Then, add the squeezed vegetable mixture and the crumbled feta cheese. Gently fold everything together until all ingredients are evenly distributed.

7. Assemble and Bake: Pour the entire mixture into your prepared baking dish. Spread it evenly with a spatula.

8. Bake to Perfection: Bake for 35-45 minutes, or until the casserole is golden brown on top, set in the center, and a knife inserted into the middle comes out clean.
9. Rest and Serve: Remove the Baked Zucchini Spinach and Feta Casserole from the oven and let it rest for 5-10 minutes before slicing and serving. This resting period allows the casserole to set properly, making it easier to cut.

Pro Tips for Success

Achieving the perfect Baked Zucchini Spinach and Feta Casserole is easy with a few simple tricks. These tips will elevate your dish from good to absolutely outstanding. Pay attention to these details for a consistently great result.

* Squeeze, Squeeze, Squeeze! This is perhaps the most critical tip for preventing a watery casserole. Zucchini and spinach release a lot of moisture.

After cooking them, transfer them to a colander and press down *firmly* with a spoon or your hands to extract as much liquid as possible. You will be surprised how much water comes out! A dry vegetable base ensures a firm and flavorful Baked Zucchini Spinach and Feta Casserole.

* Do Not Overmix: When combining the egg mixture with the vegetables and feta, mix just until everything is incorporated. Overmixing can lead to a tougher texture in your Baked Zucchini Spinach and Feta Casserole. Gentle folding is key.

* Grate Zucchini Evenly: Use the larger holes of a box grater for your zucchini. This creates uniform pieces that cook evenly and integrate well into the casserole texture. Too fine a grate can make it mushy.

* Use Fresh Herbs for Garnish: While dried herbs are perfect for cooking, a sprinkle of fresh chopped parsley or dill just before serving adds a wonderful burst of color and fresh flavor. This simple garnish makes your Baked Zucchini Spinach and Feta Casserole look even more appealing.
* Adjust Salt to Your Feta: Feta cheese is naturally salty.

Taste your crumbled feta first, then adjust the amount of added salt in the recipe accordingly. You want a balanced flavor, not an overly salty dish.
* Check for Doneness: The casserole is ready when the top is golden brown and puffed, and the center feels set when gently pressed.

If you insert a knife into the middle, it should come out clean. An underbaked casserole can be runny.
* Resting Period is Important: Allow the Baked Zucchini Spinach and Feta Casserole to rest for 5-10 minutes after removing it from the oven.

Baked Zucchini Spinach and Feta Casserole

To ensure your Baked Zucchini Spinach and Feta Casserole turns out perfectly, follow some expert tips that can make all the difference. For another hearty casserole option, look at our Hearty Southern Loaded Cornbread Casserole for additional ideas.

Storage & Reheating Tips

This Baked Zucchini Spinach and Feta Casserole is fantastic for meal prep, making your busy weeknights much smoother. Knowing how to properly store and reheat it ensures you enjoy its deliciousness for days to come.

* Refrigeration: Once your Baked Zucchini Spinach and Feta Casserole has completely cooled to room temperature, cover the baking dish tightly with plastic wrap or aluminum foil. Alternatively, transfer individual servings into airtight containers. Store it in the refrigerator for up to 3-4 days.

The flavors often deepen overnight, making leftovers even more enjoyable.
* Freezing: This casserole freezes beautifully. After it cools completely, you can freeze the entire casserole in its baking dish (if freezer-safe and well-covered with foil) or cut it into individual portions and place them in freezer-safe bags or containers.

Label with the date. It will keep in the freezer for up to 2-3 months. Thaw frozen portions overnight in the refrigerator before reheating.

* Reheating (Oven): For the best results, reheat slices of Baked Zucchini Spinach and Feta Casserole in a preheated oven at 300°F (150°C) for about 15-20 minutes, or until warmed through. Covering it loosely with foil can prevent the top from browning too much.
* Reheating (Microwave): For a quick reheat, place individual portions on a microwave-safe plate.

Heat on medium power for 1-2 minutes, checking and stirring halfway through, until hot. Be careful not to overheat, as this can make the edges tough. This method is convenient for a fast lunch.

* Avoid Over-Reheating: Whether using the oven or microwave, avoid over-reheating, which can dry out the casserole. You want to warm it gently until it is just heated through. Enjoying your perfectly warmed Baked Zucchini Spinach and Feta Casserole is simple.

What to Serve With This Recipe

This versatile Baked Zucchini Spinach and Feta Casserole makes a wonderful main course on its own, but it also pairs beautifully with a variety of side dishes. Enhancing your meal with thoughtful accompaniments elevates the entire dining experience.

* Simple Green Salad: A fresh, crisp green salad with a light vinaigrette is the perfect complement to the rich flavors of the casserole. The acidity and crunch provide a delightful contrast.
* Crusty Bread: Serve slices of warm, crusty bread or a baguette on the side.

It’s perfect for soaking up any creamy goodness from the Baked Zucchini Spinach and Feta Casserole.
* Roasted Chicken or Fish: For a heartier meal, serve this casserole alongside some simply roasted chicken breast, grilled fish, or baked salmon. The protein perfectly balances the vegetables and cheese.

* Quinoa or Rice Pilaf: A light grain like quinoa or a flavorful rice pilaf offers a wholesome accompaniment. They provide a good source of carbohydrates and can absorb the delicious flavors.
* Tomato Salad: A simple salad of ripe tomatoes, cucumber, red onion, and fresh herbs, dressed with olive oil and lemon juice, adds a refreshing element.

The bright flavors truly enhance the overall experience of your Baked Zucchini Spinach and Feta Casserole.
* Soup: For a cozy and comforting meal, pair your Baked Zucchini Spinach and Feta Casserole with a light vegetable soup or a creamy tomato soup.

While the Baked Zucchini Spinach and Feta Casserole stands out on its own, pairing it with a side dish can enhance your dining experience. Discover more on how to complement your meals by trying our French Onion Soup Pasta.

FAQs

Here are some common questions about making and enjoying this delicious Baked Zucchini Spinach and Feta Casserole. I hope these answers help you confidently create this wonderful dish.

Can I make Baked Zucchini Spinach and Feta Casserole ahead of time?

Absolutely! This Baked Zucchini Spinach and Feta Casserole is an excellent make-ahead meal. You have two main options.

First, you can fully assemble the casserole mixture, pour it into the baking dish, cover it tightly, and refrigerate it for up to 24 hours before baking. Just ensure you bring it to room temperature for about 20-30 minutes before baking, and you might need to add an extra 5-10 minutes to the baking time.

Second, you can bake the casserole completely, let it cool, and then refrigerate or freeze it according to the storage instructions. Reheating the entire Baked Zucchini Spinach and Feta Casserole or individual slices works wonderfully.

Is this recipe gluten-free?

As written, this recipe is not gluten-free because it uses all-purpose flour. However, you can easily make this Baked Zucchini Spinach and Feta Casserole gluten-free by substituting the all-purpose flour with an equal amount of your preferred gluten-free all-purpose flour blend. Ensure your chosen blend is suitable for baking, and always check the packaging for specific instructions if available. Many gluten-free flours work well in this type of egg-based casserole.

How do I prevent the casserole from being watery?

Preventing a watery Baked Zucchini Spinach and Feta Casserole is crucial for a great texture. The key is to remove as much excess moisture as possible from the zucchini and spinach. After cooking the vegetables, transfer them to a fine-mesh sieve or colander.

Use the back of a spoon or even your hands to firmly press down and squeeze out all the released liquid. You will be amazed at how much water comes out! This step ensures your casserole sets up beautifully and tastes amazing.

Can I use frozen spinach instead of fresh?

Yes, you can definitely use frozen spinach for your Baked Zucchini Spinach and Feta Casserole if fresh spinach is unavailable. However, it is vital to prepare it correctly. Thaw the frozen spinach completely, then place it in a clean kitchen towel or paper towels.

Squeeze out as much water as you possibly can. Frozen spinach retains a lot of water, and if you do not remove it, your casserole will become very watery. Once thoroughly squeezed, proceed with the recipe as directed.

What kind of feta cheese is best for this Baked Zucchini Spinach and Feta Casserole?

For the best flavor and texture in your Baked Zucchini Spinach and Feta Casserole, I recommend using a block of feta cheese packed in brine. This type of feta typically has a richer, tangier flavor and a creamier texture when crumbled compared to pre-crumbled feta. However, pre-crumbled feta is convenient and works perfectly well if that is what you have on hand.

Just ensure it is good quality. The creamy texture of the feta really melts into the other ingredients, creating a truly exceptional Baked Zucchini Spinach and Feta Casserole.

Baked Zucchini Spinach and Feta Casserole is a nutritious dish combining healthy vegetables with savory cheese, making it a perfect choice for family meals. This casserole is a great example of how vegetables can be creatively incorporated into comforting meals, often featuring in discussions about wholesome cooking practices found in nutritional guidelines.

Nutrition Information (per serving)

Here is an estimated nutrition breakdown for one serving of this Baked Zucchini Spinach and Feta Casserole, based on 8 servings per recipe. Please note that these values are approximate and can vary based on specific ingredients and brands used.

NutrientAmount
Calories210-230 kcal
Total Fat12-14 g
Saturated Fat6-7 g
Cholesterol110-120 mg
Sodium650-700 mg
Total Carbohydrates11-13 g
Dietary Fiber2-3 g
Sugars3-4 g
Protein12-14 g
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Baked Zucchini Spinach and Feta Casserole

Baked Zucchini Spinach and Feta Casserole


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  • Author: Vera
  • Total Time: 1 hour 5 mins
  • Yield: 8 servings 1x
  • Diet: Gluten Free Option Available

Description

A warm, wholesome hug in a dish, perfect for busy weeknights and special gatherings alike. This Baked Zucchini Spinach and Feta Casserole is easy to make, healthy, and loved by the whole family.


Ingredients

Scale

2 tablespoons Olive Oil
1 medium Yellow Onion, chopped
2 cloves Garlic, minced
2 medium Zucchini, grated
10 ounces Fresh Spinach, roughly chopped
4 large Eggs
1 cup Whole Milk
1/4 cup All-Purpose Flour
1 teaspoon Dried Oregano
1/2 teaspoon Dried Basil
1/4 teaspoon Ground Black Pepper
1/2 teaspoon Salt
6 ounces Feta Cheese, crumbled
1/4 cup Fresh Parsley, chopped (for garnish, optional)


Instructions

  1. Preheat your oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish with olive oil or cooking spray
  2. Heat olive oil in a large skillet over medium heat. Add chopped onion and cook for 5-7 minutes until softened. Stir in minced garlic and cook for another minute until fragrant
  3. Add grated zucchini and cook for 5-7 minutes until soft. Add fresh spinach and cook until wilted, about 2-3 minutes
  4. Transfer the zucchini and spinach mixture to a fine-mesh sieve and press to remove excess moisture
  5. In a large bowl, whisk together the eggs, milk, and flour until smooth
  6. Stir in oregano, basil, pepper, and salt. Add the vegetable mixture and crumbled feta cheese, then fold gently to combine
  7. Pour the mixture into the prepared baking dish and spread evenly
  8. Bake for 35-45 minutes until golden brown and set in the center. A knife should come out clea
  9. Let the casserole rest for 5-10 minutes before slicing and serving

Notes

Use fresh ingredients for the best flavor.

Feel free to substitute vegetables and cheeses based on preference.

  • Prep Time: 20 mins
  • Cook Time: 45 mins
  • Category: Dinner
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 220 kcal
  • Sugar: 3 g
  • Sodium: 650 mg
  • Fat: 14 g
  • Saturated Fat: 7 g
  • Unsaturated Fat: 6 g
  • Trans Fat: 0 g
  • Carbohydrates: 11 g
  • Fiber: 3 g
  • Protein: 12 g
  • Cholesterol: 110 mg

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