Easy Spinach & Cottage Cheese Breakfast Casserole

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This Easy Spinach & Cottage Cheese Breakfast Casserole is the kind of breakfast that makes busy mornings feel a little more manageable. It is hearty without feeling heavy, packed with protein, and filled with simple ingredients that come together into something warm, fluffy, and satisfying.

The cottage cheese melts right into the eggs as it bakes, giving the casserole a creamy texture, while the spinach adds freshness and color in every bite. Whether you are planning brunch, meal prepping for the week, or just trying to make breakfast a little easier, this is one of those dishes that earns a regular spot in the rotation.

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Why Is Cottage Cheese So Good in a Breakfast Casserole?

Cottage cheese gives this casserole a soft, creamy texture and adds extra protein without making the dish feel too rich. It blends beautifully with the eggs as it bakes, so even people who are unsure about cottage cheese often end up loving the final result. It also helps the casserole stay tender after reheating, which makes it especially useful for make-ahead breakfasts.

Ingredients for the Easy Spinach & Cottage Cheese Breakfast Casserole

• 8 large eggs
• 1 cup cottage cheese
• 2 cups fresh spinach, chopped
• 1 cup shredded cheddar cheese
• 1/4 cup grated Parmesan cheese
• 1/4 cup milk
• 1/4 cup onion, finely diced
• 1 tablespoon olive oil
• 1/2 teaspoon garlic powder
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1/4 teaspoon red pepper flakes, optional
• nonstick cooking spray for the baking dish

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How To Make the Easy Spinach & Cottage Cheese Breakfast Casserole

Step 1: Prep the oven and dish

Preheat your oven to 375°F. Lightly grease an 8×8-inch baking dish with nonstick spray or a little oil so the casserole lifts out easily after baking.

Step 2: Soften the onion and spinach

Heat the olive oil in a skillet over medium heat. Add the diced onion and cook for 2 to 3 minutes until it starts to soften. Stir in the chopped spinach and cook just until wilted, about 1 to 2 minutes. Remove from the heat and let it cool slightly.

Step 3: Whisk the egg mixture

In a large mixing bowl, whisk together the eggs, cottage cheese, milk, garlic powder, salt, black pepper, and red pepper flakes if using. Stir until everything is well combined.

Step 4: Add the vegetables and cheese

Fold the cooked spinach and onion mixture into the bowl. Add the shredded cheddar and Parmesan, then stir gently so the ingredients are evenly distributed.

Step 5: Fill the baking dish

Pour the mixture into the prepared baking dish and spread it into an even layer. Give the dish a light tap on the counter to help everything settle.

Step 6: Bake until set

Bake for 30 to 35 minutes, or until the center is set and the top is lightly golden. A knife inserted near the middle should come out mostly clean.

Step 7: Rest, slice, and serve

Let the casserole rest for 5 to 10 minutes before slicing. This helps it firm up and makes serving much easier.

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Serving and Storing Easy Spinach & Cottage Cheese Breakfast Casserole

This casserole is delicious served warm on its own, but it also pairs well with fresh fruit, roasted potatoes, toast, or a simple side salad for brunch. For a little extra flavor, add a spoonful of salsa, a dash of hot sauce, or a sprinkle of fresh herbs right before serving.

Leftovers keep well in an airtight container in the refrigerator for up to 4 days. To reheat, warm individual portions in the microwave for about 30 to 60 seconds, or place the whole dish in a low oven until heated through. You can also freeze slices individually, then thaw overnight in the refrigerator before reheating.

Frequently Asked Questions

Can I use frozen spinach instead of fresh?

Yes, you can. Thaw it first and squeeze out as much extra moisture as possible so the casserole does not turn watery.

Does the cottage cheese stay lumpy after baking?

Not much. As the casserole bakes, the cottage cheese softens into the egg mixture and gives the dish a creamy texture.

Can I make this casserole ahead of time?

Yes. You can assemble it the night before, cover it, and refrigerate it. Bake it the next morning when you are ready.

What other cheeses work well in this casserole?

Mozzarella, Monterey Jack, Swiss, or feta all work nicely depending on the flavor you want.

How do I know when the casserole is done?

The center should look set rather than liquid, and a knife inserted near the middle should come out mostly clean.

Can I add more vegetables?

Absolutely. Bell peppers, mushrooms, green onions, or chopped tomatoes are all good additions. Just avoid adding too much moisture.

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Want More Breakfast Ideas?

If this Easy Spinach & Cottage Cheese Breakfast Casserole hits the spot, you may want to try a few more breakfast favorites from Nina Dishes:

• Cottage Cheese Egg Bake for another protein-packed morning option.
• The Ultimate Homemade McGriddle Recipe for Busy Mornings when you want something savory and satisfying.
• Tasty English Muffin Breakfast Pizza Recipe for a fun breakfast everyone can customize.
• Nutella French Toast Casserole when you are in the mood for something sweet and cozy.
• No-Bake Lemon Blueberry Protein Bites for an easy grab-and-go snack or breakfast bite.

Save This Pin + Share Your Results

📌 Save this Easy Spinach & Cottage Cheese Breakfast Casserole to your Pinterest breakfast board so you can come back to it any time.

And let me know in the comments how yours turned out. Did you add extra cheese, mix in more veggies, or keep it simple and classic?

I always enjoy seeing how these recipes work in real kitchens. For even more daily recipe inspiration, take a look at Nina Dishes on Pinterest.

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