Baked Zucchini, Spinach, and Feta Casserole
Baked Zucchini, Spinach, and Feta Casserole is a delightful way to enjoy a hearty dish packed with vegetables. This recipe shines with its blend of flavors and textures, making it perfect for family dinners or gatherings. With nutritious ingredients like zucchini, spinach, and feta cheese, this casserole offers a comfort food experience that is both healthy and satisfying. It’s an ideal choice for various occasions, from casual weeknight meals to festive celebrations.
Why You’ll Love This Recipe
- Nutritious and Flavorful: Packed with fresh veggies and cheesy goodness, this casserole is a wholesome option that doesn’t compromise on taste.
- Easy to Prepare: With simple ingredients and straightforward steps, you can whip up this dish in no time.
- Versatile Serving Options: Enjoy it as a main course or side dish; it’s perfect for any meal.
- Family-Friendly: With its mild flavors, even picky eaters will appreciate this veggie-packed delight.
- Meal Prep Friendly: Make it ahead of time and reheat for quick lunches or dinners throughout the week.

Tools and Preparation
To make Baked Zucchini, Spinach, and Feta Casserole, you’ll need some essential tools. These will help streamline your cooking process and ensure delicious results.
Essential Tools and Equipment
- Large skillet
- Mixing bowl
- Casserole dish (9 x 13 inch)
- Measuring cups and spoons
- Non-stick spray
Importance of Each Tool
- Large skillet: Ideal for sautéing vegetables quickly while retaining their flavor.
- Casserole dish: Provides the perfect size for even baking and easy serving.
- Mixing bowl: Allows you to combine all your ingredients thoroughly without spilling.
Ingredients
This dish packs a hearty dose of veggies and all the cheesy goodness that you look for in a casserole.
Vegetables
- 2 tablespoons olive oil
- 3 cups baby spinach
- 2 zucchini (small, diced small)
- 2 yellow squash (small, diced small, OR 2 more zucchini if yellow squash is unavailable)
Cheeses
- 1/4 cup feta cheese crumbles (fat-free)
- 1/4 cup parmesan cheese (low-fat, grated)
Binders
- 1/4 cup whole-wheat panko bread crumbs
- 2 egg whites
Seasonings
- 1/2 teaspoon kosher salt
- 2 teaspoons garlic powder
- 1/2 teaspoon ground black pepper
- 1 teaspoon dried basil leaves
How to Make Baked Zucchini, Spinach, and Feta Casserole
Step 1: Preheat the Oven
Preheat your oven to 400 degrees Fahrenheit. While the oven heats up, prepare your casserole dish by spraying it with non-stick spray to prevent sticking.
Step 2: Sauté the Vegetables
In a large skillet over medium heat:
1. Add the olive oil.
2. Once hot, incorporate the spinach, zucchini, and yellow squash.
3. Cook for about 5 minutes until the spinach wilts and the squash softens.
4. Drain any excess liquid from the skillet before transferring the mixture to a large mixing bowl.
Step 3: Combine Ingredients
In the mixing bowl with the sautéed vegetables:
1. Add all remaining ingredients: feta cheese crumbles, parmesan cheese, whole-wheat panko bread crumbs, egg whites, kosher salt, garlic powder, black pepper, and dried basil leaves.
2. Mix everything together until well combined.
Step 4: Bake the Casserole
Spread the vegetable mixture evenly in your prepared casserole dish. Bake in the preheated oven for 30 to 40 minutes or until golden brown on top. Once done baking, let it cool slightly before serving.
Enjoy your Baked Zucchini, Spinach, and Feta Casserole warm! Perfect as a standalone meal or paired with your favorite protein.
How to Serve Baked Zucchini, Spinach, and Feta Casserole
Serving your Baked Zucchini, Spinach, and Feta Casserole can elevate the meal experience. Here are some creative ways to enjoy this delicious dish.
As a Main Course
- Pair with a fresh garden salad for a light and nutritious meal.
- Serve alongside whole-grain bread for added texture.
As a Side Dish
- Complement grilled chicken or fish to enhance your dinner spread.
- Enjoy it with roasted vegetables for a hearty vegetarian option.
With Toppings
- Drizzle with balsamic glaze for a sweet and tangy finish.
- Add a dollop of Greek yogurt or tzatziki for creaminess.
How to Perfect Baked Zucchini, Spinach, and Feta Casserole
Perfecting this casserole is easy with a few tips in mind. Follow these suggestions to ensure your dish turns out great every time.
- Use Fresh Ingredients: Fresh zucchini and spinach provide the best flavor and texture.
- Drain Excess Moisture: Properly drain the cooked veggies to avoid a soggy casserole.
- Experiment with Cheese: Try adding different cheeses like mozzarella or ricotta for varied flavors.
- Bake Until Golden: Ensure it is baked until golden brown on top for the best taste and appearance.
- Let It Rest: Allow the casserole to cool slightly before serving; this will help it set up nicely.
Best Side Dishes for Baked Zucchini, Spinach, and Feta Casserole
Pairing side dishes with your Baked Zucchini, Spinach, and Feta Casserole can create a well-rounded meal. Here are some great options you can consider.
- Quinoa Salad: A refreshing mix of quinoa, tomatoes, cucumber, and lemon dressing adds protein and complements the casserole.
- Garlic Bread: Warm garlic bread offers a crunchy contrast that’s always delightful with casseroles.
- Roasted Brussels Sprouts: Crispy Brussels sprouts bring an earthy flavor that pairs well with the cheesy casserole.
- Cucumber Yogurt Salad: Cool cucumber salad provides a refreshing balance to the richness of the dish.
- Steamed Broccoli: Simple yet nutritious, steamed broccoli adds color and health benefits to your meal.
- Mixed Green Salad: A light mixed green salad tossed with vinaigrette brightens up the plate without overpowering flavors.
Common Mistakes to Avoid
Making a baked zucchini, spinach, and feta casserole is simple, but there are a few common mistakes to watch out for.
- Ignoring Vegetable Moisture: Don’t overlook the importance of draining excess moisture from your vegetables. Excess water can make your casserole soggy.
- Overbaking the Casserole: Be careful not to leave the casserole in the oven too long. Overbaking can lead to a dry texture; aim for a golden brown top instead.
- Not Using Fresh Ingredients: Always choose fresh spinach and zucchini for optimal flavor. Stale ingredients can dull the taste of your dish.
- Skipping Seasoning: Never underestimate seasoning! Ensure you use enough salt and spices to enhance the overall flavor of your casserole.
- Inconsistent Dicing Size: Make sure all vegetables are diced evenly. Uneven sizes can cause some pieces to cook faster than others, leading to inconsistent textures.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container for up to 3 days.
- Keep the casserole in its original baking dish if it’s covered well with plastic wrap or foil.
Freezing Baked Zucchini, Spinach, and Feta Casserole
- Freeze in an airtight container or heavy-duty freezer bag for up to 2 months.
- Label the container with the date for easy tracking.
Reheating Baked Zucchini, Spinach, and Feta Casserole
- Oven: Preheat to 350°F (175°C) and bake for about 20 minutes or until warmed through.
- Microwave: Heat on medium power for 2-3 minutes, checking frequently to avoid overheating.
- Stovetop: Place in a skillet over low heat, stirring occasionally until heated through.
Frequently Asked Questions
What is Baked Zucchini, Spinach, and Feta Casserole?
Baked zucchini, spinach, and feta casserole is a delicious dish made with fresh vegetables, creamy feta cheese, and herbs baked together until bubbly. It’s perfect as a main course or side dish.
Can I make this casserole ahead of time?
Yes! You can prepare the mixture ahead of time and store it in the fridge. Just bake when you’re ready to serve.
Is Baked Zucchini, Spinach, and Feta Casserole suitable for vegetarians?
Absolutely! This casserole is vegetarian-friendly and packed with nutritious ingredients.
How can I customize my Baked Zucchini, Spinach, and Feta Casserole?
Feel free to add other vegetables like bell peppers or mushrooms. You can also substitute different cheeses based on your preference.
What should I serve with this casserole?
Pair this tasty casserole with a light salad or crusty bread for a complete meal.
Final Thoughts
This Baked Zucchini, Spinach, and Feta Casserole offers both comfort and nutrition in every bite. It’s versatile enough to suit various tastes—feel free to customize it with your favorite veggies or cheeses. Enjoy this delightful dish at dinner or as a hearty side!
Baked Zucchini, Spinach, and Feta Casserole
Baked Zucchini, Spinach, and Feta Casserole is a delicious and nutritious dish that brings together the fresh flavors of zucchini and spinach with the creaminess of feta cheese. This comforting casserole is perfect for family dinners or gatherings, providing a hearty meal option that’s both satisfying and healthy. With its easy preparation and versatile serving options, this recipe is sure to become a favorite in your household. Whether enjoyed as a main dish or paired with grilled proteins, this casserole is a delightful way to incorporate more vegetables into your meals.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: Serves 6
- Category: Main Dish
- Method: Baking
- Cuisine: Mediterranean
Ingredients
- 2 tablespoons olive oil
- 3 cups baby spinach
- 2 small zucchini, diced
- 2 small yellow squash, diced (or 2 more zucchini)
- 1/4 cup fat-free feta cheese crumbles
- 1/4 cup low-fat grated parmesan cheese
- 1/4 cup whole-wheat panko bread crumbs
- 2 egg whites
- kosher salt
- garlic powder
- ground black pepper
- dried basil
Instructions
- Preheat your oven to 400°F (200°C). Spray a 9 x 13-inch casserole dish with non-stick spray.
- In a large skillet over medium heat, add olive oil. Once hot, sauté the zucchini and yellow squash until tender, about 5 minutes. Add spinach until wilted. Drain excess liquid.
- In a mixing bowl, combine sautéed vegetables with feta cheese, parmesan cheese, panko bread crumbs, egg whites, salt, garlic powder, black pepper, and basil. Mix well.
- Spread the mixture evenly in the prepared casserole dish and bake for 30 to 40 minutes until golden brown on top. Let cool slightly before serving.
Nutrition
- Serving Size: 1/6 of casserole (approximately 150g)
- Calories: 145
- Sugar: 2g
- Sodium: 350mg
- Fat: 6g
- Saturated Fat: 2g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 16g
- Fiber: 3g
- Protein: 8g
- Cholesterol: 20mg