This easy and delicious Spinach Casserole recipe will quickly become a favorite, even for the pickiest eaters. Perfect for various occasions, it’s a gluten-free, low-carb, and vegetarian dish that can serve as either a side or main course, making it versatile and appealing.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Base
- For Flavor
- Seasoning
- How to Make Spinach Casserole
- Step 1: Preheat the Oven
- Step 2: Prepare Your Dish
- Step 3: Mix Ingredients
- Step 4: Bake the Casserole
- Step 5: Serve and Enjoy!
- How to Serve Spinach Casserole
- As a Main Dish
- With Fresh Salad
- Accompanied by Rice or Quinoa
- Paired with Roasted Vegetables
- As Part of a Brunch Spread
- How to Perfect Spinach Casserole
- Best Side Dishes for Spinach Casserole
- Common Mistakes to Avoid
- Storage & Reheating Instructions
- Refrigerator Storage
- Freezing Spinach Casserole
- Reheating Spinach Casserole
- Frequently Asked Questions
- Can I use fresh spinach instead of frozen?
- What can I substitute for cottage cheese?
- How do I make this recipe vegan?
- Can I add other vegetables?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Quick to Prepare: With just 10 minutes of prep time, this dish is ideal for busy weeknights or unexpected guests.
- Nutritious Ingredients: Packed with spinach and cottage cheese, it’s a healthy option that doesn’t compromise on flavor.
- Versatile Serving Options: It works wonderfully as a side dish or a hearty main course, fitting into any meal plan.
- Family-Friendly: Even kids love this casserole; its creamy texture and cheesy goodness make it a hit at the dinner table.
- Make-Ahead Friendly: You can prepare it in advance and simply bake when you’re ready to serve.
Tools and Preparation
Before you get started on your Spinach Casserole, gather the necessary tools. Having everything ready will make the cooking process smooth and enjoyable.
Essential Tools and Equipment
- Casserole dish
- Mixing bowl
- Whisk
- Measuring cups and spoons
Importance of Each Tool
- Casserole dish: The right size ensures even cooking and allows for proper browning on top.
- Mixing bowl: A large bowl helps you combine all ingredients without spills.
- Whisk: Perfect for beating eggs thoroughly, which contributes to a fluffy texture in your casserole.

Ingredients
To make this delightful Spinach Casserole, gather the following ingredients:
For the Base
- 3 large eggs, beaten
- 2 cups cottage cheese
- 10-ounce package frozen chopped spinach, thawed and very well drained
For Flavor
- 1/3 cup crumbled feta
- 1/3 cup diced sweet onion
- 1/4 cup melted butter
Seasoning
- 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 (175 degrees C). This step is crucial for ensuring your casserole bakes evenly.
Step 2: Prepare Your Dish
Grease a 1 & 1/2-quart (9-inch square) casserole dish. This prevents sticking and makes serving easier.
Step 3: Mix Ingredients
In a large mixing bowl, combine all the ingredients:
1. Add the beaten eggs.
2. Incorporate cottage cheese and thawed spinach.
3. Fold in crumbled feta, diced sweet onion, melted butter, freshly grated Parmesan, black pepper, garlic powder, and nutmeg until well blended.
Step 4: Bake the Casserole
Transfer the mixture into the greased casserole dish. Bake uncovered for about 40-45 minutes or until the center is nearly set.
Step 5: Serve and Enjoy!
Once baked, let it cool for about 5-10 minutes. Cut into squares, serve warm, and enjoy your delicious Spinach Casserole!
How to Serve Spinach Casserole
Serving Spinach Casserole is a delightful experience. This versatile dish can be enjoyed in various ways, making it suitable for any meal occasion. Here are some creative serving suggestions to enhance your dining experience.
As a Main Dish
- Serve it hot from the oven as a comforting main course. Pair it with a light salad for a balanced meal.
With Fresh Salad
- A crisp green salad complements the richness of the casserole. Consider using mixed greens, cherry tomatoes, and a light vinaigrette.
Accompanied by Rice or Quinoa
- For a heartier meal, serve the casserole alongside fluffy rice or quinoa. This adds texture and makes the dish more filling.
Paired with Roasted Vegetables
- Roasted seasonal vegetables bring out natural flavors and add color to your plate. Carrots, bell peppers, or zucchini work well.
As Part of a Brunch Spread
- Include Spinach Casserole in your brunch buffet along with fruit platters and pastries. It appeals to both savory and sweet lovers alike.
How to Perfect Spinach Casserole
To ensure your Spinach Casserole turns out perfectly every time, follow these simple tips.
- Use fresh spinach: If possible, substitute frozen spinach with fresh chopped spinach for an even richer flavor.
- Drain thoroughly: Make sure to drain the thawed spinach well. Excess moisture can make the casserole soggy.
- Experiment with cheeses: Try adding different cheeses like mozzarella or cheddar for varied tastes and textures.
- Add spices or herbs: Enhance flavor by including spices such as cayenne pepper or herbs like dill and oregano.
- Let it rest: Allow the casserole to cool slightly before slicing. This helps it set better and makes serving easier.
- Adjust seasoning: Taste before baking and adjust salt or pepper according to your preference.
Best Side Dishes for Spinach Casserole
Spinach Casserole pairs beautifully with several side dishes that enhance its flavors. Here are some excellent options:
- Garlic Bread: A classic choice that adds crunch and buttery goodness, perfect for scooping up casserole bites.
- Steamed Broccoli: Simple yet nutritious; steamed broccoli adds vibrant color and balances the meal.
- Mashed Potatoes: Creamy mashed potatoes provide comfort and richness, making them an ideal companion.
- Caesar Salad: The crisp romaine lettuce and tangy dressing create a delightful contrast with the casserole’s texture.
- Grilled Asparagus: This elegant side brings freshness to your plate while complementing the casserole’s flavors.
- Corn on the Cob: Sweet corn offers a fun and casual touch that pairs nicely with baked dishes.
- Quinoa Salad: A protein-packed option that adds texture, especially when mixed with diced vegetables and herbs.
- Roasted Sweet Potatoes: Their natural sweetness contrasts wonderfully with savory dishes like Spinach Casserole.
Common Mistakes to Avoid
When making Spinach Casserole, it’s essential to avoid common pitfalls to achieve the best results. Here are some mistakes to watch out for:
- Ignoring Drainage: Failing to thoroughly drain the spinach can lead to a watery casserole. Always squeeze out excess moisture to keep your dish from becoming soggy.
- Overbaking: Baking for too long can dry out the casserole. Keep an eye on it and take it out when the center is nearly set for the best texture.
- Skipping Seasoning: Neglecting to season your dish can result in bland flavors. Don’t forget the black pepper, garlic powder, and nutmeg; they elevate the taste significantly.
- Using Cold Ingredients: Starting with cold ingredients can affect baking time and texture. Let your eggs and cottage cheese come to room temperature before mixing them.
- Not Greasing the Dish: Forgetting to grease your casserole dish can lead to sticking and messy serving. Make sure to coat it well with butter or oil.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftover Spinach Casserole in an airtight container.
- It will keep well in the fridge for up to 3 days.
Freezing Spinach Casserole
- Wrap portions tightly in plastic wrap or aluminum foil.
- Freeze for up to 2 months for optimal freshness.
Reheating Spinach Casserole
- Oven: Preheat to 350°F (175°C) and bake until heated through, about 20 minutes.
- Microwave: Reheat individual portions on medium power for 1-2 minutes, checking frequently.
- Stovetop: Place in a skillet over low heat, stirring occasionally until warmed through.
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 be sure to cook it down first and remove any excess moisture before adding it to the mixture.
What can I substitute for cottage cheese?
You can replace cottage cheese with ricotta or a dairy-free alternative like tofu blended until smooth for a similar texture.
How do I make this recipe vegan?
To make a vegan version of Spinach Casserole, use plant-based cheese and substitute eggs with flaxseed meal mixed with water or a commercial egg replacer.
Can I add other vegetables?
Absolutely! Feel free to include veggies like bell peppers or mushrooms for added flavor and nutrition.
Final Thoughts
This Spinach Casserole is not only easy to prepare but also versatile enough for any meal occasion. Its delightful combination of flavors makes it appealing even for those who aren’t big fans of spinach. Customize it by adding your favorite veggies or adjusting spices according to taste. We encourage you to try this satisfying dish!
Did You Enjoy Making This Recipe? Please rate this recipe with ⭐⭐⭐⭐⭐ or leave a comment.
📖 Recipe Card
Print
Spinach Casserole
- Total Time: 55 minutes
- Yield: Approximately 6 servings 1x
Description
This easy Spinach Casserole is a delightful dish that combines nutritious ingredients with creamy textures, making it a favorite for both kids and adults. Perfect for busy weeknights or serving at gatherings, this gluten-free and low-carb casserole can be enjoyed as a main course or side dish. With just 10 minutes of prep time, you can whip up a healthy and satisfying meal that’s packed with flavor. The combination of spinach, cottage cheese, and feta creates a rich and savory experience that pairs beautifully with salads, grains, or roasted vegetables. Plus, it’s make-ahead friendly—just prepare in advance and bake when ready to serve.
Ingredients
- 3 large eggs
- 2 cups cottage cheese
- 10-ounce package frozen chopped spinach, thawed and well drained
- 1/3 cup crumbled feta
- 1/3 cup diced sweet onion
- 1/4 cup melted butter
- 2 tablespoons freshly grated Parmesan
- 1/8 teaspoon black pepper
- 1/8 teaspoon garlic powder
- dash of nutmeg
Instructions
- Preheat your oven to 350°F (175°C) and grease a 9-inch square casserole dish.
- In a large mixing bowl, combine beaten eggs, cottage cheese, thawed spinach, feta, onion, butter, Parmesan, black pepper, garlic powder, and nutmeg. Mix until well blended.
- Pour the mixture into the greased casserole dish and bake uncovered for 40-45 minutes or until the center is nearly set.
- Allow to cool for 5-10 minutes before cutting into squares and serving warm.
- Prep Time: 10 minutes
- Cook Time: 45 minutes
- Category: Main Course
- Method: Baking
- Cuisine: Vegetarian
Nutrition
- Serving Size: 1 square (about 150g)
- Calories: 210
- Sugar: 4g
- Sodium: 380mg
- Fat: 12g
- Saturated Fat: 7g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 12g
- Fiber: 2g
- Protein: 14g
- Cholesterol: 85mg





