Baked Zucchini, Spinach, and Feta Casserole: A Savory Vegetarian Delight 🥬🧀✨
Table of contents
1. Introduction
Discover the comforting goodness of Baked Zucchini, Spinach, and Feta Casserole, a wholesome dish that combines tender zucchini, earthy spinach, and tangy feta in a creamy, baked format. This vegetarian delight is perfect for busy weeknights—it’s easy to assemble, uses simple ingredients, and delivers bold Mediterranean flavors with minimal effort. Whether you’re feeding your family, meal prepping, or simply craving something healthy yet indulgent, this casserole checks all the boxes.

Zucchini is not only delicious but also packed with nutrients. Learn more about its health benefits by visiting this link. For tips on creating perfectly layered casseroles, explore our guide on layering techniques here.
2. What Is Baked Zucchini, Spinach, and Feta Casserole?
Baked Zucchini, Spinach, and Feta Casserole is a celebration of fresh vegetables, creamy textures, and rich, cheesy layers that come together into a golden, bubbly masterpiece. The combination of zucchini’s mild sweetness, spinach’s earthy depth, and feta’s salty tang creates a harmonious balance of savory and tangy notes. Versatile and adaptable, this dish works as a main course, side dish, or meal prep staple—perfect for any occasion.
Its adaptability makes it ideal for pairing with proteins like grilled chicken or roasted salmon, or serving alongside salads for a complete meal. For more hearty vegetarian dishes, browse our collection of vegetarian recipes here.
3. Ingredients List (Exact Measurements)
To create this mouthwatering Baked Zucchini, Spinach, and Feta Casserole, gather the following ingredients:
For the Casserole:
- 2 medium zucchinis (sliced into thin rounds)
- 4 cups fresh spinach (chopped)
- 1 cup crumbled feta cheese
- 1 cup shredded mozzarella cheese
- 1 small onion (finely chopped)
- 2 cloves garlic (minced)
- 1 cup ricotta cheese
- 1 large egg
- 1 teaspoon dried oregano
- ½ teaspoon red pepper flakes (optional)
- Salt and pepper to taste
- 2 tablespoons olive oil
- Optional: breadcrumbs or grated Parmesan for topping
These carefully selected ingredients ensure your casserole will be both flavorful and satisfying. For more ingredient ideas, explore our guide on Mediterranean-inspired meals here.
4. Step-by-Step Instructions
Preparing the Vegetables

Preheat your oven to 375°F (190°C). Slice the zucchinis into thin rounds and chop the spinach. Heat 2 tablespoons of olive oil in a skillet over medium heat. Sauté the onions until softened, then add minced garlic and spinach, cooking until wilted. Season with salt, pepper, and red pepper flakes if desired. Set aside. For more vegetable prep tips, visit our guide on zucchini benefits here.
Assembling the Layers

In a mixing bowl, combine 1 cup of ricotta cheese, 1 large egg, 1 teaspoon of dried oregano, salt, and pepper. Spread half the zucchini slices evenly across the bottom of a greased baking dish. Top with half the spinach mixture, followed by half the ricotta mixture. Sprinkle with half the feta and mozzarella cheeses. Repeat the layers, finishing with a final sprinkle of cheeses. Optionally, add breadcrumbs or grated Parmesan on top for a crunchy crust. For layering advice, explore our resource on perfect casseroles here.
Baking the Casserole

Bake in the preheated oven for 30–35 minutes or until the top is golden brown and bubbly. Let the casserole rest for 5–10 minutes before slicing and serving to allow the flavors to meld. For baking tips, browse our collection of healthy baked dishes here.
Serving Suggestions

This casserole shines when served warm as a standalone dish or alongside grilled chicken, roasted salmon, or a fresh salad. Garnish with fresh herbs like parsley or dill for added flair. It’s also great paired with crusty bread or garlic toast for a complete meal. For more serving ideas, explore our guide on family-friendly dinners here.
5. Customizing Your Casserole
To make your Baked Zucchini, Spinach, and Feta Casserole truly unique, consider these customizations:
- Veggie Swap: Replace zucchini with yellow squash or eggplant for a different texture and flavor.
- Tomato Twist: Add diced tomatoes or sun-dried tomatoes for extra juiciness and acidity.
- Spice It Up: Experiment with spices like smoked paprika or cumin for a smoky twist.
- Hearty Addition: Stir in cooked quinoa, rice, or chickpeas for added protein and heartiness.
These tweaks ensure the recipe suits diverse tastes and dietary needs. For more customization ideas, check out our creative swaps here.
6. Serving Suggestions

This casserole pairs beautifully with crusty bread or garlic toast for a complete meal. Serve it alongside roasted chicken, grilled salmon, or a simple green salad for added freshness. Leftovers can also be used as a filling for wraps or sandwiches for lunch the next day. For more pairing ideas, browse our collection of easy weeknight meals here.
7. Variations and Substitutions
This recipe is highly adaptable:
- Gluten-Free Option: Omit breadcrumbs or use gluten-free alternatives for a safe option.
- Vegan Alternative: Use plant-based cheeses and flax eggs instead of regular eggs for a fully vegan version.
- Greens Swap: Substitute spinach with kale, Swiss chard, or arugula based on availability or preference.
These variations ensure everyone can enjoy the dish. For more substitution ideas, check out our healthy swaps here.
8. Nutritional Information
Each serving of Baked Zucchini, Spinach, and Feta Casserole contains approximately 200 calories. Here’s the macronutrient breakdown per serving:
- Carbohydrates: 10g
- Fats: 12g
- Proteins: 10g
Please note these values may vary slightly based on portion sizes and specific ingredients used. Enjoy responsibly!
9. FAQs Section
Here are answers to some common questions about this recipe:
Q: Can I make this casserole ahead of time?
Yes, assemble up to a day in advance, cover, and refrigerate. Bake just before serving for fresh results.
Q: How do I prevent the zucchini from being watery?
Pat the zucchini slices dry with paper towels or lightly salt them and let them drain for 10–15 minutes before using.
Q: Can I freeze this casserole?
Absolutely! Assemble the casserole and freeze unbaked. Thaw overnight in the fridge before baking as directed.
Q: What can I substitute for ricotta cheese?
Cottage cheese, cream cheese, or even tofu work well as alternatives depending on your preferences.
10. Conclusion
Making Baked Zucchini, Spinach, and Feta Casserole is a simple yet rewarding way to enjoy a hearty, cheesy dish packed with fresh veggies and Mediterranean flavors. With its creamy texture, bold flavors, and endless customization options, this casserole is sure to become a staple in your kitchen. Whether you stick to the original recipe or experiment with your own twists, this dish promises to delight everyone who tries it.
We’d love to see your creations! Share your photos on social media using the hashtag #ZucchiniSpinachFetaCasserole and tag us for a chance to be featured. Have feedback or questions? Leave a comment below—we’re here to help! For more easy dinner ideas, explore our collection of comfort food classics here. Happy cooking! 🥬🧀✨
Print
Baked Zucchini, Spinach, and Feta Casserole
Enjoy this Baked Zucchini, Spinach, and Feta Casserole—a hearty, cheesy dish packed with fresh veggies and Mediterranean flavors. Perfect for dinner or meal prep! 🍴🥗
- Total Time: 55 minutes
- Yield: 6 servings 1x
Ingredients
- For the Casserole:
- 2 medium zucchinis (sliced into thin rounds)
- 4 cups fresh spinach (chopped)
- 1 cup crumbled feta cheese
- 1 cup shredded mozzarella cheese
- 1 small onion (finely chopped)
- 2 cloves garlic (minced)
- 1 cup ricotta cheese
- 1 large egg
- 1 tsp dried oregano
- ½ tsp red pepper flakes (optional)
- Salt and pepper to taste
- 2 tbsp olive oil
- Optional: breadcrumbs or grated Parmesan for topping
Instructions
- Preparing the Vegetables: Preheat the oven to 375°F (190°C). Slice the zucchini into thin rounds and chop the spinach. Heat olive oil in a skillet over medium heat. Sauté onions until softened, then add garlic and spinach, cooking until wilted. Season with salt, pepper, and red pepper flakes if desired. Set aside.
- Assembling the Layers: In a mixing bowl, combine ricotta cheese, egg, oregano, salt, and pepper. Spread half the zucchini slices evenly across the bottom of a greased baking dish. Top with half the spinach mixture, followed by half the ricotta mixture. Sprinkle with half the feta and mozzarella cheeses. Repeat the layers, finishing with a final sprinkle of cheeses. Optionally, add breadcrumbs or Parmesan on top for a crunchy crust.
- Baking the Casserole: Bake in the preheated oven for 30–35 minutes or until the top is golden brown and bubbly. Let rest for 5–10 minutes before slicing and serving.
- Serving Suggestions: Serve warm as a standalone dish or alongside grilled chicken, roasted vegetables, or a fresh salad. Garnish with fresh herbs like parsley or dill for added flair.
Notes
- For a gluten-free option, omit breadcrumbs or use gluten-free alternatives.
- Vegan alternative: Use plant-based cheeses and substitute flax eggs for regular eggs.
- Storage tip: Store leftovers in an airtight container in the fridge for up to 3 days. Reheat in the oven for best results.
- Prep Time: 20 minutes
- Cook Time: 35 minutes
- Category: Main Dish
- Method: Baking
- Cuisine: Mediterranean-inspired
Nutrition
- Serving Size: 1 serving (1/6th of the casserole)
- Calories: 280 kcal
- Sugar: 5 g
- Sodium: 450 mg
- Fat: 20 g
- Saturated Fat: 8 g
- Unsaturated Fat: 10 g
- Trans Fat: 0 g
- Carbohydrates: 12 g
- Fiber: 3 g
- Protein: 15 g
- Cholesterol: 70 mg