This easy and delicious Spinach Casserole recipe will be a winner with even the pickiest eaters. Perfect for gatherings, family dinners, or a cozy night in, this dish combines wholesome ingredients that are gluten-free, low-carb, and vegetarian. Its creamy texture and rich flavor make it an excellent choice as either a side dish or a main course.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Base
- Flavor Enhancers
- Seasoning
- How to Make Spinach Casserole
- Step 1: Preheat the Oven
- Step 2: Prepare Your Dish
- Step 3: Combine Ingredients
- Step 4: Transfer to Baking Dish
- Step 5: Bake
- Step 6: Cool and Serve
- How to Serve Spinach Casserole
- As a Main Dish
- With Grains
- Accompanied by Sauces
- On a Buffet Table
- With Bread
- Topped with Fresh Herbs
- 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?
- How do I customize my Spinach Casserole?
- Is this Spinach Casserole gluten-free?
- Can I make this recipe ahead of time?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Quick to Prepare: With only 10 minutes of prep time, you can have this dish ready to pop in the oven before you know it.
- Nutritious Ingredients: Packed with spinach and cottage cheese, this casserole is not only tasty but also filled with essential nutrients.
- Versatile Serving Options: Serve it warm as a main dish or alongside your favorite meats or salads for added variety.
- Ideal for Special Diets: This Spinach Casserole is suitable for various dietary needs, ensuring everyone at the table can enjoy it.
- Delicious Leftovers: It reheats beautifully, making it a great option for meal prep throughout the week.
Tools and Preparation
Before you start cooking, gather your tools to ensure a smooth cooking experience.
Essential Tools and Equipment
- 1 & 1/2-quart casserole dish
- Mixing bowl
- Whisk
- Measuring cups and spoons
Importance of Each Tool
- Casserole Dish: A good-quality casserole dish ensures even cooking and makes serving easy.
- Mixing Bowl: A large bowl allows you to combine all ingredients efficiently without mess.
- Whisk: Ideal for beating eggs thoroughly, which helps achieve a fluffy texture in your casserole.

Ingredients
To make this delightful Spinach Casserole, you’ll need 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
Flavor Enhancers
- 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. This ensures that your casserole cooks evenly throughout.
Step 2: Prepare Your Dish
Grease a 1 & 1/2-quart (9-inch square) casserole dish using non-stick spray or butter. Set aside while you mix the ingredients.
Step 3: Combine Ingredients
In a large mixing bowl, combine all the ingredients:
1. Add the beaten eggs.
2. Stir in the cottage cheese.
3. Fold in the thawed spinach until well mixed.
4. Incorporate feta cheese and diced onion.
5. Drizzle in melted butter followed by Parmesan, black pepper, garlic powder, and nutmeg. Mix until combined.
Step 4: Transfer to Baking Dish
Pour the mixture into your greased casserole dish evenly spreading it out.
Step 5: Bake
Bake uncovered for about 40-45 minutes or until the center is nearly set and edges are slightly golden.
Step 6: Cool and Serve
Let cool for about 5-10 minutes before cutting into squares. Serve warm and enjoy this delightful Spinach Casserole!
How to Serve Spinach Casserole
Spinach Casserole is a versatile dish that can be enjoyed in many ways. Whether served as a main course or a delightful side, it complements various meals beautifully. Here are some serving suggestions to enhance your dining experience.
As a Main Dish
- Serve it warm on its own or with a fresh salad for a light lunch or dinner option.
With Grains
- Pair it with quinoa or brown rice for a hearty and nutritious meal that adds texture and flavor.
Accompanied by Sauces
- Drizzle with a tangy balsamic glaze or lemon vinaigrette to elevate the flavors and provide an extra zing.
On a Buffet Table
- Include it as part of a buffet spread during gatherings. It’s sure to please guests looking for something healthy yet delicious.
With Bread
- Serve alongside crusty bread or rolls, allowing guests to scoop up the casserole with each bite.
Topped with Fresh Herbs
- Garnish with freshly chopped parsley or basil for added freshness and visual appeal before serving.
How to Perfect Spinach Casserole
To ensure your Spinach Casserole turns out perfectly every time, consider these helpful tips.
- Use fresh spinach: If possible, use fresh spinach instead of frozen for better flavor and texture.
- Drain well: Make sure to thoroughly drain the spinach to avoid excess moisture that could affect the casserole’s consistency.
- Experiment with cheeses: Try adding different cheeses like mozzarella or ricotta for varied flavors.
- Adjust seasoning: Taste the mixture before baking and adjust the seasoning according to your preference for salt, pepper, or garlic.
- Bake until set: Ensure the center is set but still slightly jiggly; it will firm up as it cools.
- Let cool before cutting: Allow the casserole to rest after baking. This helps maintain its shape when serving.
Best Side Dishes for Spinach Casserole
Spinach Casserole pairs wonderfully with various side dishes. Here are some excellent options you might consider adding to your meal.
- Garlic Mashed Potatoes: Creamy, buttery mashed potatoes infused with garlic make a comforting combination.
- Roasted Vegetables: A medley of seasonal vegetables roasted until caramelized brings color and nutrition to your plate.
- Caesar Salad: Crisp romaine lettuce tossed in Caesar dressing adds crunch and zest alongside the casserole.
- Steamed Broccoli: Lightly steamed broccoli provides a vibrant green contrast and balances the richness of the casserole.
- Quinoa Salad: A refreshing quinoa salad mixed with diced vegetables offers protein and texture variation.
- Grilled Asparagus: Tender grilled asparagus spears add an elegant touch while enhancing the meal’s overall healthiness.
Common Mistakes to Avoid
When making your Spinach Casserole, it’s important to avoid some common pitfalls to ensure a delicious outcome. Here are a few mistakes to watch for:
- Using wet spinach: Always ensure the spinach is well-drained. Excess moisture can make your casserole soggy.
- Skipping seasoning: Don’t forget to season properly! A lack of seasoning can lead to bland flavors in your dish.
- Overbaking: Keep an eye on the time. Overbaking can dry out the casserole, making it less enjoyable.
- Not greasing the dish: Failing to grease your casserole dish may cause sticking, making serving difficult and messy.
- Ignoring resting time: Allowing the casserole to rest before serving helps it set properly, improving texture and flavor.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- It’s best consumed within 3-5 days for optimal freshness.
Freezing Spinach Casserole
- Wrap tightly in plastic wrap or aluminum foil before placing in a freezer-safe container.
- Can be frozen for up to 3 months.
Reheating Spinach Casserole
- Oven: Preheat to 350°F and cover with foil. Bake until heated through.
- Microwave: Use a microwave-safe plate and heat in short intervals, stirring occasionally.
- Stovetop: Heat in a skillet over low heat, stirring until warmed throughout.
Frequently Asked Questions
Here are some common questions about making Spinach Casserole.
Can I use fresh spinach instead of frozen?
Yes, you can use fresh spinach! Just sauté it first until wilted and then drain well before adding it to the mixture.
How do I customize my Spinach Casserole?
Feel free to add other vegetables like bell peppers or mushrooms for extra flavor and nutrition.
Is this Spinach Casserole gluten-free?
Yes! This recipe is naturally gluten-free, making it suitable for those with gluten sensitivities.
Can I make this recipe ahead of time?
Absolutely! You can prepare it a day in advance and store it in the refrigerator before baking.
Final Thoughts
This Spinach Casserole is not only easy to prepare but also versatile enough for any occasion. Customize it with your favorite veggies or cheeses for added flair. Give this recipe a try—it’s sure to please even the pickiest eaters!
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Spinach Casserole
- Total Time: 55 minutes
- Yield: Serves approximately 6 people 1x
Description
This Spinach Casserole is a creamy, satisfying dish that brings together wholesome ingredients for a delicious meal. With its rich flavors and smooth texture, this casserole is perfect for family dinners, gatherings, or cozy nights in.
Ingredients
- 3 large eggs
- 2 cups cottage cheese
- 10 oz package frozen chopped spinach (thawed and well 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°F.
- Grease a 1 & 1/2-quart casserole dish.
- In a mixing bowl, combine beaten eggs, cottage cheese, thawed spinach, feta cheese, diced onion, melted butter, Parmesan cheese, black pepper, garlic powder, and nutmeg. Mix until well combined.
- Pour the mixture into the greased casserole dish.
- Bake uncovered for 40-45 minutes or until the center is nearly set and edges are golden.
- Let cool for 5-10 minutes before cutting into squares. Serve warm.
- Prep Time: 10 minutes
- Cook Time: 45 minutes
- Category: Main
- Method: Baking
- Cuisine: Vegetarian
Nutrition
- Serving Size: 1 square (approximately 150g)
- Calories: 230
- Sugar: 3g
- Sodium: 480mg
- Fat: 15g
- Saturated Fat: 8g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 11g
- Fiber: 2g
- Protein: 14g
- Cholesterol: 125mg





