Spinach Casserole

Name: Spinach Casserole
Prep time: 10 min
Cook time: PT-490795H44M
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; Black pepper, garlic powder, and nutmeg to taste

Published: December 26, 2025

by Victoria

Why You’ll Love This Recipe

Quick to Prepare: With just 10 minutes of prep time, you can have this dish ready to bake in no time.
Flavorful Ingredients: The combination of cottage cheese, feta, and spinach creates a rich and satisfying taste that everyone will enjoy.
Versatile Dish: Serve it as a side dish or make it the star of your meal; it’s perfect for any occasion.
Healthy Option: Packed with protein and low in carbs, this casserole fits well into healthy eating plans.
Freezable: Make extra and freeze it for later. It reheats beautifully!

Tools and Preparation

To create your Spinach Casserole perfectly, having the right tools is essential. Here’s what you’ll need to gather before you start cooking.

Essential Tools and Equipment

1 & 1/2-quart casserole dish
Mixing bowl
Whisk
Measuring cups and spoons
Oven mitts

Importance of Each Tool

Casserole Dish: The right size ensures even cooking and allows the casserole to rise perfectly.
Mixing Bowl: A large bowl helps combine all ingredients without spilling.
Whisk: Perfect for beating eggs thoroughly and mixing ingredients smoothly.
Measuring Cups and Spoons: Accurate measurements are crucial for achieving the best flavor balance.

Ingredients

3 large eggs, beaten
2 cups cottage cheese
10 ounce package frozen chopped spinach, thawed and very 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

How to Make Spinach Casserole

Step 1: Preheat the Oven

Preheat your oven to 350 degrees F (175 degrees C). This step is crucial as it ensures even cooking throughout your casserole.

Step 2: Prepare the Casserole Dish

Grease a 1 & 1/2-quart (9-inch square) casserole dish with butter or cooking spray. 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. Stir in the cottage cheese.
3. Fold in the thawed spinach, feta cheese, diced onion, melted butter, Parmesan, black pepper, garlic powder, and nutmeg until well mixed.

Step 4: Transfer to Baking Dish

Pour the mixture into the greased casserole dish. Spread it evenly to ensure uniform cooking.

Step 5: Bake

Bake uncovered for about 40-45 minutes or until the center is nearly set. You can check doneness by inserting a knife in the center; it should come out clean.

Step 6: Cool and Serve

Let the casserole cool for about 5-10 minutes before cutting it into squares. Serve warm and enjoy your delicious Spinach Casserole!

How to Serve Spinach Casserole

Spinach Casserole is a versatile dish that can be served in various ways. Whether you’re looking for a light lunch or a hearty dinner, these suggestions will enhance your meal experience.

As a Standalone Dish

Serve it warm right out of the oven for a comforting main course.
Pair it with a side salad for a refreshing contrast.

Accompanied by Bread

Offer crusty bread or garlic bread on the side for dipping into the casserole.
Consider serving with cornbread for a Southern twist.

With a Creamy Sauce

Drizzle with balsamic glaze for added flavor and an elegant touch.
Top with a dollop of sour cream or Greek yogurt to enhance richness.

Ideal for Brunch

Present it alongside fruit and pastries for a delightful brunch spread.
Serve individual portions in small ramekins for an elegant touch.

How to Perfect Spinach Casserole

Creating the perfect Spinach Casserole requires attention to detail. Here are some tips to ensure your dish is top-notch.

Use fresh spinach: While frozen works, fresh spinach gives better texture and flavor.
Drain thoroughly: Make sure to drain the spinach well to avoid excess moisture in your casserole.
Experiment with cheeses: Try incorporating different cheeses like mozzarella or cheddar for varied flavors.
Adjust seasoning: Taste and adjust the spices according to your preference before baking.
Let it rest: Allowing the casserole to cool slightly after baking helps it set better and makes cutting easier.

Best Side Dishes for Spinach Casserole

Pairing your Spinach Casserole with the right sides can enhance the meal. Here are some excellent side dish ideas:

Mixed Green Salad: A light salad dressed with vinaigrette adds freshness and balances flavors.
Roasted Vegetables: Carrots, bell peppers, and zucchini roasted until caramelized complement the casserole beautifully.
Garlic Mashed Potatoes: Creamy mashed potatoes provide comfort and pair well with the cheesy spinach.
Quinoa Pilaf: Nutty quinoa mixed with herbs offers a healthy and satisfying contrast.
Steamed Broccoli: Lightly steamed broccoli adds color and nutrients without overpowering the main dish.
Cornbread Muffins: Sweet cornbread muffins bring a delightful balance to savory flavors of the casserole.

Common Mistakes to Avoid

When making Spinach Casserole, it’s easy to make a few common errors that can affect the final dish. Here are some mistakes to watch out for:

Using wet spinach: If your spinach isn’t well-drained, it can make the casserole watery. Always squeeze out excess moisture before mixing.
Skipping the oven preheat: Not preheating the oven can lead to uneven cooking. Always make sure your oven is at 350 degrees F before you bake.
Overbaking: Baking too long can dry out your casserole. Keep an eye on it and remove when the center is nearly set.
Ignoring ingredient temperatures: Using cold eggs or cottage cheese can affect texture. Let them come to room temperature for the best results.
Neglecting seasoning adjustments: Not tasting before baking can result in bland flavors. Adjust seasonings according to your preferences.

Storage & Reheating Instructions

Refrigerator Storage

Store leftovers in an airtight container.
Refrigerate within two hours of cooking.
Use within 3-4 days for best quality.

Freezing Spinach Casserole

Freeze in a freezer-safe container or wrap tightly with plastic wrap.
It’s best consumed within 2-3 months for optimal taste.

Reheating Spinach Casserole

Oven: Preheat to 350 degrees F and cover with foil. Bake for about 20-25 minutes until heated through.
Microwave: Place a portion on a microwave-safe plate. Heat in 30-second intervals until warm.
Stovetop: Heat in a skillet over low heat, stirring occasionally until warmed through.

Frequently Asked Questions

Here are some frequently asked questions about Spinach Casserole:

Can I use fresh spinach instead of frozen?

Yes, fresh spinach can be used! Just sauté it first and ensure it’s well-drained before adding it to the mix.

Is this Spinach Casserole gluten-free?

Absolutely! This recipe is naturally gluten-free, making it suitable for those with gluten sensitivities.

How can I customize my Spinach Casserole?

You can add other vegetables, different cheeses, or even cooked meats like chicken or bacon for added flavor.

How do I tell if my Spinach Casserole is done?

The center should be nearly set, and a knife inserted should come out clean or with just a few moist crumbs.

Can I make this dish ahead of time?

Yes! You can prepare the casserole a day in advance, store it in the fridge, and then bake it right before serving.

Final Thoughts

This Spinach Casserole is not only delicious but also versatile and accommodating for various dietary needs. Its rich flavors and creamy texture make it an appealing side or main dish. Feel free to customize it with your favorite ingredients for an even more personal touch!

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