This easy and delicious Spinach Casserole recipe will be a winner with even the pickiest eaters. Perfect for family dinners, potlucks, or as a comforting weeknight dish, this casserole is packed with flavor and nutrition. With its gluten-free, low-carb, and vegetarian profile, it’s a versatile option that can easily adapt to various occasions. You’ll love how simple it is to prepare while still being an impressive addition to your table.
Why You’ll Love This Recipe
- Quick Preparation: This casserole is ready in just 55 minutes, making it ideal for busy weeknights.
- Healthy Ingredients: Packed with spinach and cottage cheese, this dish is nutritious and guilt-free.
- Versatile Serving Options: Enjoy it as a side dish or a main course; it’s perfect for any meal.
- Kid-Friendly Flavor: The mild taste of spinach combined with creamy cheese makes it appealing to all ages.
- Easy Cleanup: One baking dish means less mess and more time to enjoy your meal.
Tools and Preparation
Before you get started on this delightful Spinach Casserole, make sure you have the right tools to make the process smooth and efficient.
Essential Tools and Equipment
- Mixing bowl
- Casserole dish (1 & 1/2-quart)
- Whisk
- Measuring cups
- Measuring spoons
Importance of Each Tool
- Mixing bowl: A large bowl allows for easy mixing of all ingredients without spills.
- Casserole dish: The right size ensures even cooking and makes serving easier.
- Whisk: Essential for beating eggs evenly and combining ingredients thoroughly.

Ingredients
To create this delightful Spinach Casserole, you’ll need the following ingredients:
For the Casserole Base
- 3 large eggs, beaten
- 2 cups cottage cheese
- 10 ounce package frozen chopped spinach, thawed and very well drained
For Flavoring
- 1/3 cup crumbled feta
- 1/3 cup diced sweet onion
- 1/4 cup melted butter
Seasonings
- 2 tablespoons freshly grated Parmesan
- 1/8 teaspoon black pepper
- 1/8 teaspoon garlic powder
- dash of nutmeg
How to Make Spinach Casserole
Step 1: Preheat the Oven
Preheat your oven to 350 degrees F. This ensures that your casserole bakes evenly.
Step 2: Prepare the Casserole Dish
Grease a 1 & 1/2-quart (9-inch square) casserole dish with butter or cooking spray. Set it aside for later use.
Step 3: Combine Ingredients
In a large mixing bowl, combine:
1. The beaten eggs,
2. Cottage cheese,
3. Thawed spinach,
4. Crumbled feta,
5. Diced sweet onion,
6. Melted butter,
7. Grated Parmesan,
8. Black pepper,
9. Garlic powder,
10. Nutmeg.
Mix everything together until well-combined.
Step 4: Transfer Mixture to Dish
Pour the mixture into the greased casserole dish, spreading it out evenly.
Step 5: Bake
Place the casserole in the preheated oven and bake uncovered for about 40-45 minutes or until the center is nearly set.
Step 6: Cool and Serve
Once baked, let the casserole cool for 5-10 minutes before cutting into portions. Serve warm and enjoy!
How to Serve Spinach Casserole
Spinach Casserole is versatile and can be enjoyed in various ways. Whether you’re serving it as a main dish or a delightful side, there are plenty of options to make the meal special.
As a Main Dish
- Serve with a side salad for a refreshing contrast.
- Pair with crusty bread for a heartier meal.
For Special Occasions
- Present it on a festive table as part of a buffet spread.
- Garnish with fresh herbs for an elegant touch.
Breakfast Option
- Enjoy it warm alongside fresh fruit for a nutritious breakfast.
- Slice into squares and serve with toast.
Meal Prep
- Store leftovers in individual portions for easy reheating throughout the week.
- Freeze portions to enjoy later; simply reheat in the oven.
How to Perfect Spinach Casserole
To achieve the best results with your Spinach Casserole, follow these essential tips.
- Use fresh spinach: If possible, use fresh spinach instead of frozen for better flavor and texture.
- Drain well: Ensure the spinach is well-drained to prevent excess moisture in your casserole.
- Adjust seasoning: Taste and adjust salt or spices according to your preference before baking.
- Let it cool slightly: Allowing the casserole to cool for 5-10 minutes after baking helps it set better for cutting.
- Experiment with cheese: Try different types of cheese, such as mozzarella or ricotta, for varied flavors.
Best Side Dishes for Spinach Casserole
Pairing your Spinach Casserole with the right side dishes can enhance your meal. Here are some excellent options:
- Garlic Bread: This classic pairs wonderfully, adding crunch and flavor to each bite.
- Mixed Green Salad: A light salad with vinaigrette complements the richness of the casserole perfectly.
- Roasted Vegetables: Seasonal roasted veggies add color and additional nutrients to your plate.
- Quinoa Pilaf: A nutty quinoa pilaf provides a filling yet healthy accompaniment.
- Steamed Broccoli: Simple steamed broccoli adds vibrant color and nutritional value alongside the casserole.
- Mashed Potatoes: Creamy mashed potatoes create a comforting and hearty side that balances well with spinach flavors.
Common Mistakes to Avoid
When making Spinach Casserole, it’s easy to overlook some details. Here are common mistakes to watch out for.
- Overlooking Drainage: Failing to drain the spinach properly can lead to a watery casserole. Ensure you squeeze out all excess moisture from the thawed spinach.
- Skipping Preheating: Not preheating your oven may result in uneven cooking. Always preheat the oven to 350 degrees F before placing your dish inside.
- Inaccurate Measurements: Using incorrect ingredient amounts can alter the texture and flavor. Measure each ingredient carefully for the best results.
- Ignoring Cooking Time: Baking too long or too short can affect the final product. Keep an eye on your casserole; it should be set but not dry.
- Neglecting Cooling Time: Cutting into the casserole while hot can cause it to fall apart. Allow it to cool for 5-10 minutes before serving for better slices.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftover Spinach Casserole in an airtight container.
- It will keep well in the fridge for up to 4 days.
Freezing Spinach Casserole
- You can freeze portions of the casserole for later use.
- Wrap individual servings tightly in plastic wrap and then place them in a freezer-safe container. It can last up to 2 months.
Reheating Spinach Casserole
- Oven: Preheat to 350 degrees F, cover with foil, and bake for about 15-20 minutes until heated through.
- Microwave: Place a serving on a microwave-safe plate and heat for 1-2 minutes or until warm.
- Stovetop: Heat on low in a skillet, stirring occasionally until warmed throughout.
Frequently Asked Questions
Here are some commonly asked questions about making Spinach Casserole.
Can I use fresh spinach instead of frozen?
Yes, you can use fresh spinach! Just sauté it until wilted and then drain before adding it to the mixture.
What are some good substitutes for cottage cheese?
You can replace cottage cheese with ricotta or Greek yogurt for a similar texture.
How can I make this Spinach Casserole more flavorful?
Consider adding herbs like thyme or basil, or spices such as cayenne pepper for an added kick!
Is this recipe suitable for meal prep?
Absolutely! This Spinach Casserole is perfect for meal prep as it stores well and reheats nicely.
Final Thoughts
This Spinach Casserole is a delicious dish that appeals to many tastes and dietary preferences. Its versatility allows you to customize it by adding different vegetables or cheeses based on what you have on hand. Give this recipe a try; it’s sure to become a favorite!
Spinach Casserole
Indulge in the delightful flavors of this easy and nutritious Spinach Casserole, a dish that promises to impress even the pickiest eaters at your table. Perfect for family dinners, potlucks, or as a soothing weeknight meal, this casserole is packed with wholesome ingredients like fresh spinach and creamy cottage cheese. It’s gluten-free, vegetarian, and low-carb, making it a versatile option for various occasions. With just 55 minutes from prep to plate, you’ll love how quickly this comforting dish comes together while still being an impressive centerpiece for your dining experience.
- Prep Time: 15 minutes
- Cook Time: 40–45 minutes
- Total Time: 0 hours
- Yield: Serves approximately 6 people 1x
- Category: Main Dish
- Method: Baking
- Cuisine: Vegetarian
Ingredients
- 3 large eggs
- 2 cups cottage cheese
- 10 ounces frozen chopped spinach (thawed and drained)
- 1/3 cup crumbled feta cheese
- 1/3 cup diced sweet onion
- 1/4 cup melted butter
- 2 tablespoons freshly grated Parmesan cheese
- 1/8 teaspoon black pepper
- 1/8 teaspoon garlic powder
- dash of nutmeg
Instructions
- Preheat your oven to 350 degrees F.
- Grease a 1 & 1/2-quart casserole dish.
- In a mixing bowl, combine beaten eggs, cottage cheese, spinach, feta, onion, melted butter, Parmesan cheese, black pepper, garlic powder, and nutmeg until well mixed.
- Pour the mixture into the prepared casserole dish and spread evenly.
- Bake uncovered for 40–45 minutes or until nearly set.
- Allow to cool for 5–10 minutes before serving.
Nutrition
- Serving Size: 1 slice (130g)
- Calories: 230
- Sugar: 3g
- Sodium: 450mg
- Fat: 12g
- Saturated Fat: 7g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 15g
- Fiber: 2g
- Protein: 19g
- Cholesterol: 150mg



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