Easy Delicious Breakfast Casserole – Easy, High-Protein, Low-Carb Meal Prep Favorite
If you’re on the hunt for a delicious and protein-packed way to start your day, this cottage cheese breakfast casserole is your answer. It’s rich, savory, and incredibly easy to prepare. Made with creamy pressed cottage cheese, fluffy eggs, and just the right touch of Cajun spice, this breakfast casserole recipe fits perfectly into keto diets, gluten-free lifestyles, or make-ahead holiday meals. Whether you’re planning a Christmas morning casserole, weekend brunch, or just looking for a low carb breakfast casserole to keep you full, this recipe checks all the boxes.
Recipe at a Glance
· Prep Time: 5 minutes
· Cook Time: 30–35 minutes (20 in air fryer)
· Total Time: 35-40 minutes
· Servings: 4
· Calories: 210 per serving
· Protein: 22g per serving
Why You’ll Love This Egg Casserole
· Juicy and cheesy eggs and cheese casserole texture
· Perfect for make-ahead breakfast casserole meal prep
· High protein and low carb – ideal for keto plans
· Flexible cooking methods: air fryer breakfast casserole or oven
· Simple pantry ingredients with bold flavor
· Naturally gluten-free and customizable with add-ins
Ingredients
· 6 large eggs
· 1 cup pressed cottage cheese
· ½ cup chopped onion
· 1 teaspoon salt
· 1 teaspoon Cajun spice
· ½ cup shredded Mozzarella cheese
Optional Add-ins:
· 1 cup cooked tater tots (for a tater tot breakfast casserole)
· Cooked bacon or sausage for a loaded breakfast casserole
· Chopped spinach or peppers for extra veggies
Instructions
1. Preheat oven to 375°F or air fryer to 350°F. Lightly grease a 9x9 baking dish or air fryer-safe dish. Or line the air fryer with air fryer liner.
2. Crack 6 eggs and place them in the air fryer liner or oven safe dish.
3. Add in cottage cheese, onion, salt, Cajun spice, and shredded Mozzarella on top.
4. Oven: Bake for 30–35 minutes until center is firm.
5. Air fryer: Bake 18–20 minutes, checking for doneness.
6. Let casserole rest 5 minutes before slicing. Enjoy warm or cool and refrigerate for meal prep.
Nutrition
· Calories: 210
· Protein: 22g
· Fiber: 1g
Tips & Customizations
· Swap in ricotta cheese if cottage cheese is unavailable
· Make a brunch casserole recipe by adding chopped spinach and mushrooms
· Use smoked paprika instead of Cajun spice for a milder version
· Bake in advance and slice for a breakfast casserole ahead of time
· For a cheesy tater tot casserole, add shredded cheddar and tots on top before baking
· Try our air fryer breakfast bake version for crispy edges and faster cook time
Meal Prep & Storage
Refrigerate: Store cooked casserole in airtight containers up to 4 days
Freeze: Cool completely and freeze individual portions for up to 3 months
Reheat: Microwave for 1–2 minutes or warm in oven at 325°F
Perfect for busy mornings, holiday meals, or a weekly meal prep session!
Frequently Asked Questions
Q: Can I prep this overnight?
A: Yes! Assemble ingredients in a baking dish, cover, and refrigerate overnight. Bake in the morning.
Q: What can I use instead of cottage cheese?
A: Ricotta works, but pressed cottage cheese gives the best protein boost.
Q: Can I use the air fryer?
A: Absolutely. It cooks faster and creates crispier edges. Use a dish that fits your fryer.
Q: Can I double this recipe?
A: Yes. Use a 9x13 dish and increase the baking time by 5–10 minutes.
Q: Is this keto-friendly?
A: Yes, it’s a true keto egg bake casserole with minimal carbs and high protein.
Final Thoughts
This egg and cheese breakfast casserole is the ultimate high-protein, make-ahead breakfast casserole that suits every occasion—from a busy Tuesday to a festive holiday breakfast casserole. With only a few ingredients and endless variations, it’s a go-to recipe you’ll come back to again and again. Make it in the oven or try the air fryer breakfast casserole twist for an easy, satisfying start to your day.
Tried this recipe? Let us know what you think and leave a comment below—What twists would you make?
