High protein breakfast casseroles are how I get a real breakfast on the table without cooking every single morning. mix one up the night before (or bake it on Sunday), and breakfast is handled for days.
Every recipe here has at least 15g of protein per serving. I kept them on the lighter side, so you'll find egg white bakes, cottage cheese casseroles, crustless quiches and even a few sweet ones.
They're just as good for weekday meal prep as they are for Christmas morning, when you have a house full of people.
Building your whole morning around protein? You'll also love my 25 Easy High Protein Low Calorie Breakfasts and 35 Healthy Meal Prep Breakfast Ideas.
If you're building your whole morning around protein, you'll also love my 25 Easy High Protein Low Calorie Breakfasts and 35 Healthy Meal Prep Breakfast Ideas.
Why I Build My Breakfast Around Protein
For years, my kitchen was all about low carb. My husband started keto in 2018, and that's when I started developing low carb and keto recipes. Then in fall 2023, a trainer taught me how important protein is, and it changed the way I cook. These days I focus on high protein, macro friendly meals, and breakfast is where my day starts.
A breakfast casserole is one of the easiest ways I've found to start the day with protein. I put it together the night before, slide it in the oven in the morning, and there's enough for everyone.
It's a Christmas tradition for me, too. My mom always made a classic ham and cheddar breakfast casserole on Christmas morning. My sister and I were allowed to open our stockings as soon as we woke up, but the gifts had to wait until she made the breakfast casserole.
Such a painful wait as a kid! And before any gift opening could happen, she made my sister and me wash the dishes. The casseroles in this list are lighter, higher protein takes on that same make-ahead idea.
How to Boost the Protein in Any Breakfast Casserole
You can make almost any breakfast casserole more filling with a few easy swaps:
- Swap some of the eggs for egg whites. Liquid egg whites add protein without much extra fat.
- Add cottage cheese. Stir it right into the eggs. It melts in and makes the casserole creamy. Cottage cheese is my secret in a lot of these recipes, and you'll find even more ideas in my 25 Cottage Cheese Breakfast Recipes.
- Use leaner meat. Chicken or turkey sausage, lean ground turkey, ham or smoked salmon all add protein and keep the fat in check.
- Whisk in Greek yogurt. Plain Greek yogurt adds protein and a little tang in place of some of the milk or cream.
- Go easy on the cheese. A little sharp cheese goes a long way, so you get the flavor without making it a high fat dish.
To make it work for the whole family, serve the casserole with fruit, toast or roasted potatoes on the side for anyone who wants more carbs, and let everyone add their own salsa or hot sauce.
20 High Protein Breakfast Casseroles to Make Ahead
1. Mediterranean Low Carb Breakfast Casserole
This is one of my own, full of Mediterranean flavor, with 18g protein and 8g carbs per serving (257 calories).
2. Cottage Cheese and Spinach Crustless Quiche
My crustless quiche gets its protein from cottage cheese and eggs, with 18g protein and just 4g carbs per serving (190 calories).
3. Easy Blueberry Cottage Cheese Bake
When I want a sweet breakfast, this blueberry cottage cheese bake has 22g protein and 4g fiber per serving (225 calories).
4. Easy Ham and Broccoli Quiche (Crustless)
Ham and broccoli make this crustless quiche a classic, with 16g protein and 4g carbs per serving (180 calories).
5. Egg White Breakfast Casserole with Turkey Sausage
Lean turkey sausage, egg whites and hash browns make a hearty pan with 26g protein and only 5g fat per serving (215 calories).
6. Southwest Egg Casserole with Cottage Cheese
This Southwest egg casserole has a little kick, with 20g protein and 3g fiber per serving (240 calories).
7. High Protein Pumpkin French Toast Casserole
A cozy French toast casserole for holiday mornings with 30g protein per serving (404 calories).
8. High Protein Egg White Bake with Spinach and Feta
Spinach and feta give this egg white bake big flavor with 20g protein and only 4g fat per serving (134 calories).
9. Healthy Sausage Gravy Breakfast Casserole
All the comfort of biscuits and gravy, lightened up, with 30g protein per serving (255 calories).
10. Hash Brown Cottage Cheese Egg Bake
Crispy hash browns and creamy cottage cheese make this egg bake extra filling, with 29g protein per serving (333 calories).
11. Pancake Casserole with Protein Custard
A fun pancake casserole with about 20g protein per slice (338 calories), perfect for a weekend brunch.
12. Chile Relleno Breakfast Casserole
Green chiles and eggs make this chile relleno breakfast casserole a crowd pleaser, with 16g protein per serving (240 calories).
13. Ham and Cottage Cheese Egg Casserole
Ham and cottage cheese turn simple eggs into a filling bake with 22g protein and only 3g carbs per serving (213 calories).
14. Breakfast Strata with Sausage and Mushrooms
This lighter strata is made for holiday brunch, with 24g protein per serving (289 calories).
15. Healthy Egg White Breakfast Casserole (without Bread)
Egg whites, cottage cheese, sausage and peppers make this bread-free casserole light, with 18g protein and just 2g fat per serving (128 calories).
16. Smoked Salmon Breakfast Casserole
Smoked salmon, potatoes and fresh dill make a brunch-worthy casserole with 17g protein per serving (226 calories).
17. High Protein Breakfast Casserole
Eggs and cottage cheese with spinach, bell pepper and onion give this one 25g protein and 5g carbs per serving (236 calories).
18. High Protein Turkey Sweet Potato Breakfast Casserole
Lean ground turkey, sweet potatoes, egg whites and veggies pack 34g protein into every serving (329 calories).
19. High Protein Egg Casserole with Cottage Cheese
Cherry tomatoes and fresh basil make this cottage cheese egg casserole taste like summer, with 17g protein per serving (194 calories).
20. Knock-Your-Socks-Off Veggie Egg Bake
Ground chicken or turkey, egg whites and lots of veggies make this egg bake light, with 18g protein and just 1g fat per serving (140 calories).
Make Ahead and Freezer Tips for Breakfast Casseroles
- Night before: Assemble the casserole, cover it tightly and refrigerate. In the morning, let it sit on the counter while the oven heats, then bake. It may need a few extra minutes since it's starting cold.
- Bake ahead: Bake it fully, let it cool, then cut it into squares and store them in airtight containers in the fridge for 3 to 4 days.
- Freezer: Wrap cooled squares individually, put them in a freezer bag and freeze for up to 2 to 3 months. Thaw overnight in the fridge before reheating.
- Reheat: Warm single squares in the microwave at 50% power, or reheat a larger piece covered with foil in a 350°F oven so it doesn't dry out.
- Check each recipe's notes, since some bakes (like the French toast and pancake casseroles) do better made the day before than frozen.
High Protein Breakfast Casserole FAQs
Can I make a breakfast casserole the night before?
Yes. Most egg and cottage cheese casseroles can be assembled the night before, covered and refrigerated, then baked in the morning. Plan on a few extra minutes in the oven since it starts cold.
How do I add more protein to a breakfast casserole?
Swap some of the whole eggs for egg whites, stir in cottage cheese or plain Greek yogurt, and use lean meat like turkey or chicken sausage, ham or ground turkey.
Can I freeze breakfast casseroles?
Yes. Bake the casserole, let it cool completely, then cut it into squares, wrap them and freeze for up to 2 to 3 months. Thaw in the fridge overnight before reheating.
How do I reheat breakfast casserole without drying it out?
Reheat single squares in the microwave at 50% power, or cover a larger piece with foil and warm it in a 350°F oven. A splash of water or milk over the top before reheating helps keep it moist.
It's a Whole Lotta Yum!
More High Protein Breakfast Recipes
- 25 Easy High Protein Low Calorie Breakfasts
- 25 High Protein High Fiber Breakfasts
- 25 Cottage Cheese Breakfast Recipes
- 35 Healthy Meal Prep Breakfast Ideas
- 25 Macro Friendly Breakfast Ideas
- 30+ High Protein No Carb Breakfast Ideas
- 10 Low Carb Breakfast Casseroles
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