Baked Zucchini Spinach and Feta Casserole Recipe
Introduction
This Baked Zucchini Spinach and Feta Casserole is a delightful, wholesome dish perfect for a light dinner or side. The combination of fresh vegetables, tangy feta, and a golden breadcrumb topping creates a flavorful and comforting meal everyone will enjoy.

Ingredients
- 2 medium zucchinis, thinly sliced
- 1 tablespoon olive oil
- 1 medium onion, chopped
- 2 cloves garlic, minced
- 4 cups fresh spinach, chopped
- 1 cup feta cheese, crumbled
- 3 large eggs
- 1/2 cup milk
- 1/2 cup grated Parmesan cheese
- 1 teaspoon dried oregano
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1/4 teaspoon crushed red pepper flakes (optional)
- 2 tablespoons breadcrumbs
Instructions
- Step 1: Preheat your oven to 375°F (190°C). Grease a medium-sized casserole dish.
- Step 2: Heat olive oil in a skillet over medium heat. Add the chopped onion and sauté until translucent, about 4 minutes.
- Step 3: Stir in the minced garlic and cook for an additional 1 minute until fragrant.
- Step 4: Add the chopped spinach to the skillet and cook until wilted, about 2-3 minutes. Remove from heat.
- Step 5: In a large bowl, whisk together the eggs and milk. Add the grated Parmesan cheese, dried oregano, salt, black pepper, and crushed red pepper flakes if using.
- Step 6: Layer half of the sliced zucchini in the prepared casserole dish, then cover with half of the spinach mixture. Sprinkle with half of the feta cheese.
- Step 7: Repeat the layers with the remaining zucchini, spinach mixture, and feta cheese.
- Step 8: Pour the egg-milk mixture evenly over the layers in the casserole dish.
- Step 9: Top with breadcrumbs for a crispy texture.
- Step 10: Bake in the preheated oven for 30-35 minutes, or until the top is golden and the casserole is set.
- Step 11: Let cool for a few minutes before serving. Enjoy your delicious Baked Zucchini Spinach and Feta Casserole!
Tips & Variations
- Try adding chopped fresh herbs like dill or parsley for extra brightness.
- Use whole milk or half-and-half for a richer casserole.
- Swap out feta for goat cheese or ricotta for a different flavor.
- For a gluten-free option, replace breadcrumbs with crushed nuts or gluten-free breadcrumbs.
- If you prefer, roast the zucchini slices beforehand to reduce moisture.
Storage
Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat portions in the microwave or oven until warmed through. This casserole can also be frozen; thaw overnight in the fridge and reheat thoroughly before serving.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make this casserole ahead of time?
Yes, you can assemble the casserole a few hours in advance and keep it refrigerated. Bake just before serving for best results.
Can I use frozen spinach instead of fresh?
Yes, but be sure to thaw and squeeze out excess moisture from the frozen spinach before using to avoid a watery casserole.
PrintBaked Zucchini Spinach and Feta Casserole Recipe
A flavorful and healthy baked casserole combining tender zucchini, fresh spinach, and tangy feta cheese, layered and baked to a golden perfection. This easy-to-make vegetarian dish offers a perfect balance of creamy, savory, and slightly spicy notes, ideal for a comforting lunch or dinner.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: 6 servings 1x
- Category: Casserole
- Method: Baking
- Cuisine: Mediterranean
- Diet: Vegetarian
Ingredients
Vegetables
- 2 medium zucchinis, thinly sliced
- 1 medium onion, chopped
- 4 cups fresh spinach, chopped
- 2 cloves garlic, minced
Dairy & Eggs
- 1 cup feta cheese, crumbled
- 3 large eggs
- 1/2 cup milk
- 1/2 cup grated Parmesan cheese
Others
- 1 tablespoon olive oil
- 1 teaspoon dried oregano
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1/4 teaspoon crushed red pepper flakes (optional)
- 2 tablespoons breadcrumbs
Instructions
- Preheat Oven: Preheat your oven to 375°F (190°C) and grease a medium-sized casserole dish to prevent sticking and help with even cooking.
- Sauté Onions: Heat olive oil in a skillet over medium heat. Add the chopped onion and sauté for about 4 minutes until they turn translucent and soften, bringing out their natural sweetness.
- Add Garlic: Stir in the minced garlic and cook for an additional minute until fragrant, being careful not to let it burn.
- Cook Spinach: Add the chopped spinach to the skillet and cook until it wilts, about 2 to 3 minutes. Once done, remove the skillet from heat.
- Prepare Egg Mixture: In a large bowl, whisk together the eggs and milk until combined. Stir in grated Parmesan cheese, dried oregano, salt, black pepper, and crushed red pepper flakes if using, to add flavor and seasoning.
- Layer Ingredients: In the prepared casserole dish, layer half of the sliced zucchini evenly. Spread half of the sautéed spinach mixture on top, then sprinkle with half of the crumbled feta cheese.
- Repeat Layers: Repeat the layering with the remaining zucchini slices, spinach mixture, and feta cheese to build up the casserole layers.
- Add Egg Mixture: Pour the prepared egg and milk mixture evenly over the layered ingredients in the casserole dish, allowing it to soak through the layers.
- Add Breadcrumb Topping: Sprinkle the top with breadcrumbs to give the casserole a crispy and golden crust once baked.
- Bake: Place the casserole in the preheated oven and bake for 30 to 35 minutes, or until the top is golden brown and the casserole is fully set in the center.
- Cool and Serve: Allow the casserole to cool for a few minutes before serving. This resting time helps it set further and makes slicing easier. Enjoy your delicious Baked Zucchini Spinach and Feta Casserole!
Notes
- For a gluten-free version, substitute the breadcrumbs with gluten-free breadcrumbs or crushed nuts.
- You can add other herbs like fresh thyme or basil for extra flavor.
- Using part-skim feta cheese can reduce fat content while maintaining flavor.
- This casserole can be served warm or at room temperature, making it a great make-ahead meal.
- Adding a pinch of nutmeg to the spinach mixture can enhance the flavor.
Keywords: zucchini casserole, spinach casserole, feta cheese recipe, baked vegetable casserole, vegetarian casserole, Mediterranean dish

