Healthy Cottage Cheese & Spinach Egg Bake (High Protein Make-Ahead Breakfast)

If you’ve been looking for a breakfast that’s creamy, fluffy, and loaded with protein without any powders or shakes involved, this Cottage Cheese & Spinach Egg Bake delivers exactly that. Layers of sautéed onions, mushrooms, and wilted spinach sit beneath a rich egg and cottage cheese mixture, all finished with a sprinkle of crumbled feta. The result is a savory, satisfying casserole that works just as well for a make-ahead weekday breakfast as it does for a relaxed weekend brunch or light lunch.

With 6 servings and everything baked in one dish, this is the kind of recipe that sets you up with protein-packed breakfasts for most of the week with very little daily effort.

Ingredients You’ll Need

• 1 teaspoon olive oil
• 1 small onion, chopped (about 1 cup)
• 8 ounces cremini mushrooms, sliced
• 5 cups (150 grams) baby spinach, roughly chopped
• 12 eggs
• 1.5 cups low-fat cottage cheese
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 2 ounces feta cheese, crumbled

How to Make Cottage Cheese & Spinach Egg Bake

Step 1: Preheat and prep the pan.
Preheat the oven to 350°F. Lightly coat a 9″x13″ baking pan with nonstick cooking spray.

Step 2: Cook the onions and mushrooms.
Heat the olive oil in a large nonstick sauté pan. Add the chopped onion, sliced mushrooms, and a pinch of salt. Cook for 6–8 minutes, until the onions turn translucent and the mushrooms pick up some light browning.

Step 3: Wilt the spinach.
Add the chopped spinach to the pan, turn off the heat, and toss everything together until the spinach is combined and slightly wilted from the residual warmth.

Step 4: Layer the vegetables.
Spread the vegetable mixture evenly across the bottom of the prepared baking pan and set it aside.

Step 5: Whisk the egg mixture.
In a large bowl, whisk together the eggs, cottage cheese, garlic powder, onion powder, salt, and pepper until well combined.

Step 6: Assemble the bake.
Pour the egg mixture over the vegetables in the baking pan. Use a fork to gently lift some of the vegetables up toward the surface so they’re distributed throughout rather than sitting only at the bottom. Sprinkle the crumbled feta evenly over the top.

Step 7: Bake.
Bake for about 30 minutes, or until the eggs are fully set through.

Step 8: Rest before serving.
Let the bake rest for 15–25 minutes before cutting and serving. This resting period helps it set further, making it easier to slice into clean pieces.

Recipe Details

• Servings: 6
• Calories: 218 kcal per serving
• Course: Breakfast
• Cuisine: American
• Diet: Gluten-Free, Vegetarian

Tips for the Best Results

• Don’t skip wilting the spinach beforehand. Adding it while the pan is still warm helps release excess moisture before it goes into the bake, preventing a watery texture.
• Whisk the cottage cheese in well. A thorough whisk helps it blend smoothly into the eggs rather than leaving noticeable curds throughout.
• Let it rest before cutting. Cutting into the bake too soon can cause it to fall apart instead of slicing cleanly.
• Distribute the vegetables evenly. Pulling some up to the surface with a fork before baking ensures every slice gets a good mix of veggies rather than them all settling at the bottom.
• Adjust seasoning to taste. A little extra garlic powder or black pepper can boost the flavor if you prefer a bolder bake.

Storage & Reheating

Store leftovers in an airtight container in the fridge for up to 4–5 days. Reheat individual portions in the microwave, or warm slices in a low oven until heated through. This makes it an excellent option for prepping breakfast in advance for busy weekday mornings.

Serving Suggestions

• On its own as a complete, protein-packed breakfast
• With a slice of whole grain toast on the side
• Topped with hot sauce or salsa for extra flavor
• Paired with fresh fruit for a balanced brunch plate

Final Thoughts

Healthy Cottage Cheese & Spinach Egg Bake proves that a high protein breakfast can still be creamy, comforting, and genuinely delicious. With vegetables built right in and a texture that stays fluffy even after reheating, this is a recipe worth adding to your regular breakfast meal prep rotation.