This Easy Feta and Spinach Casserole Recipe is healthy, tasty and very simple to make at home. It combines fresh spinach, creamy feta cheese and simple seasonings for a flavorful baked dish.
Perfect for family dinners, brunch or potlucks, this casserole is both filling and nutritious. If you are wondering How to make Easy Feta and Spinach Casserole, this guide will show you step by step.
With this Easy Feta and Spinach Casserole Recipe, you can enjoy a cozy, homemade meal without complicated ingredients or hard cooking techniques.
The Secret Behind This Delicious
The secret behind this casserole’s delicious flavor is using fresh ingredients and layering textures. Fresh spinach adds natural freshness, while feta provides a tangy, creamy contrast.
Baking the mixture in the oven allows the cheese to melt perfectly and the casserole to develop a golden, slightly crispy top. A little garlic, onion and seasoning enhance the flavor without overpowering it.
Using eggs as a binder creates a soft, custard-like texture that holds everything together. This combination ensures every bite is creamy, cheesy and full of wholesome flavor.

Recipe Card Info
- Recipe Name: Easy Feta and Spinach Casserole
- Servings: 4–6
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Course: Main Dish / Side Dish
- Cuisine: Mediterranean / American
- Calories: 220 kcal per serving
Equipment List
- Baking dish
- Mixing bowl
- Whisk
- Knife
- Cutting board
- Measuring cups and spoons
- Spoon or spatula
Ingredients You Need for Easy Feta and Spinach Casserole Recipe
- 4 cups fresh spinach, washed and chopped
- 1 cup crumbled feta cheese
- 1 small onion, finely chopped
- 2 cloves garlic, minced
- 4 large eggs
- ½ cup milk
- ½ teaspoon black pepper
- ½ teaspoon salt
- ¼ teaspoon nutmeg (optional)
- 1 tablespoon olive oil or butter
- ½ cup shredded mozzarella cheese for topping (optional)
These are the main Ingredients for Easy Feta and Spinach Casserole. You can adjust seasoning and cheese according to your taste.
Instructions
1. Preheat the Oven
Preheat your oven to 375°F (190°C). Lightly grease a baking dish with olive oil or butter to prevent sticking.
2. Cook the Onion and Garlic
Heat olive oil in a skillet over medium heat. Sauté onions and garlic until soft and fragrant.
3. Add Spinach
Add chopped spinach to the skillet. Cook until wilted, stirring occasionally to release moisture.
4. Remove Excess Liquid
Drain any extra liquid from the spinach mixture to prevent a watery casserole. Let it cool slightly.
5. Prepare Egg Mixture
In a mixing bowl, whisk eggs, milk, salt, pepper and nutmeg until smooth and well combined.
6. Combine Spinach and Feta
Add cooked spinach, onion and crumbled feta to the egg mixture. Stir gently until evenly mixed.
7. Transfer to Baking Dish
Pour the mixture into the prepared baking dish. Spread it evenly using a spatula or spoon.
8. Add Topping
Sprinkle shredded mozzarella or extra feta on top for a golden finish, if desired.
9. Bake the Casserole
Bake in the preheated oven for 25–30 minutes until the casserole is set and lightly golden on top.
10. Rest and Serve
Allow the casserole to cool for five minutes before slicing. Serve warm as a main or side dish.
Expert Tips & Variations
- Use fresh spinach for best flavor. Frozen spinach works but squeeze out extra moisture first.
- Add cooked mushrooms or bell peppers for extra vegetables.
- Substitute feta with goat cheese or ricotta for a different taste.
- Add cooked quinoa or rice for a heartier casserole.
- Sprinkle paprika or chili flakes on top for added flavor.
- For a lighter version, use low-fat milk and reduce cheese.
- Serve with a dollop of Greek yogurt for extra creaminess.
Nutrition Information
| Nutrient | Amount per Serving |
|---|---|
| Calories | 220 kcal |
| Protein | 12 g |
| Fat | 14 g |
| Carbohydrates | 10 g |
| Fiber | 2 g |
| Sugar | 3 g |
Nutrition values are approximate and may vary depending on ingredients used.
Serving Suggestions
This Easy Feta and Spinach Casserole pairs well with fresh salad or roasted vegetables. Serve it with bread, pita or rice for a full meal. It is perfect for breakfast, lunch or dinner.
You can also cut it into smaller squares for party appetizers. It keeps well on a buffet or brunch table. A drizzle of olive oil or balsamic glaze on top adds extra flavor.
Storage & Reheating Tips
Store leftovers in an airtight container in the refrigerator for up to three days. Reheat in the microwave or oven until warm. Avoid overcooking when reheating to keep the casserole soft and creamy.
You can freeze the baked casserole for up to one month. Thaw overnight in the refrigerator and reheat gently in the oven.

Easy Feta and Spinach Casserole Recipe
Ingredients
- 4 cups fresh spinach washed and chopped
- 1 cup crumbled feta cheese
- 1 small onion finely chopped
- 2 cloves garlic minced
- 4 large eggs
- ½ cup milk
- ½ teaspoon black pepper
- ½ teaspoon salt
- ¼ teaspoon nutmeg optional
- 1 tablespoon olive oil or butter
- ½ cup shredded mozzarella cheese for topping optional
Instructions
Preheat the Oven
- Preheat your oven to 375°F (190°C). Lightly grease a baking dish with olive oil or butter to prevent sticking.
Cook the Onion and Garlic
- Heat olive oil in a skillet over medium heat. Sauté onions and garlic until soft and fragrant.
Add Spinach
- Add chopped spinach to the skillet. Cook until wilted, stirring occasionally to release moisture.
Remove Excess Liquid
- Drain any extra liquid from the spinach mixture to prevent a watery casserole. Let it cool slightly.
Prepare Egg Mixture
- In a mixing bowl, whisk eggs, milk, salt, pepper and nutmeg until smooth and well combined.
Combine Spinach and Feta
- Add cooked spinach, onion and crumbled feta to the egg mixture. Stir gently until evenly mixed.
Transfer to Baking Dish
- Pour the mixture into the prepared baking dish. Spread it evenly using a spatula or spoon.
Add Topping
- Sprinkle shredded mozzarella or extra feta on top for a golden finish, if desired.
Bake the Casserole
- Bake in the preheated oven for 25–30 minutes until the casserole is set and lightly golden on top.
- Rest and Serve
- Allow the casserole to cool for five minutes before slicing. Serve warm as a main or side dish.
Notes
- Use fresh spinach for best flavor. Frozen spinach works but squeeze out extra moisture first.
- Add cooked mushrooms or bell peppers for extra vegetables.
- Substitute feta with goat cheese or ricotta for a different taste.
- Add cooked quinoa or rice for a heartier casserole.
- Sprinkle paprika or chili flakes on top for added flavor.
- For a lighter version, use low-fat milk and reduce cheese.
- Serve with a dollop of Greek yogurt for extra creaminess.
FAQs about Easy Feta and Spinach Casserole Recipe
Can I use frozen spinach instead of fresh?
Yes, but thaw and squeeze out extra water before mixing. This prevents a watery casserole and keeps flavors balanced.
How can I make this casserole vegetarian?
This recipe is already vegetarian. For vegan options, use plant-based milk and tofu or vegan cheese instead of feta.
Can I prepare this casserole ahead of time?
Yes, mix everything and refrigerate for a few hours. Bake just before serving for best results.
Why is my casserole watery?
Excess liquid from spinach or milk can make it watery. Drain spinach well and use the correct amount of milk.
Can I add other cheeses?
Yes, mozzarella, cheddar or goat cheese can be added. Mix or sprinkle on top for extra flavor and texture.
Conclusion
This Easy Feta and Spinach Casserole Recipe is simple, healthy and full of flavor. It combines fresh spinach, tangy feta and wholesome seasonings for a delicious baked dish.
If you were searching for How to make Easy Feta and Spinach Casserole, this recipe covers everything step by step.
Perfect for family meals, brunch or special occasions, this casserole is versatile and satisfying. Try it once, and it will become a regular favorite in your kitchen, offering a comforting, cheesy and nutritious meal every time.

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