15 High-Protein Breakfast Casserole Recipes for Busy Mornings

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Meal-prep-friendly casseroles make for a quick and filling breakfast.
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The best breakfasts are simple, satiating and scrumptious. And breakfast casseroles tick off all those boxes.

You'll find your healthy a.m. fix in one of these fifteen filling breakfast casserole recipes with 11 grams of protein or more — for both savory and sweet cravings.

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Tip

Many of these casserole recipes contain eggs. If you follow a vegan diet or are trying to cut back on animal products, try swapping the eggs for a plant-based substitute such as Just Egg. You can also sub the cheese for a vegan alternative such as Daiya, and use olive oil instead of butter.

1. Sweet Potato and Sausage Breakfast Casserole

This breakfast casserole combines sweet potatoes, chicken sausage and eggs for a filling morning meal.
Image Credit: azurita/Adobe Stock
  • 406 calories
  • 35 grams of protein

This slow cooker breakfast casserole is ideal for meal prep Sundays, so you'll have just about enough servings for every morning of the busy work week. And with a hearty combination of sweet potatoes, chicken sausage and eggs, you'll have plenty of energy to power through the day. To make this recipe plant-based, opt for a vegan sausage instead.

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Get the Sweet Potato and Sausage Breakfast Casserole recipe and nutrition info here.

2. Fiesta Mexican-Inspired Bean and Organic Corn Casserole

This egg-based breakfast casserole can be made in the microwave.
Image Credit: Jackie Newgent, RDN
  • 379 calories
  • 19 grams of protein

You can cook this easy-breezy Mexican-style egg casserole in your microwave. High-protein kidney beans, sweet yellow corn, crunchy tortilla chips, hot chunky salsa and gooey Monterey jack cheese combine to make tantalizing textures and a fiesta of the senses.

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3. Not Your Average Shepherd's Pie

This healthier shepherd's pie makes the perfect breakfast casserole.
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  • 277 calories
  • 19 grams of protein

This healthier version of shepherd's pie substitutes mashed potatoes for creamy parsnips and packs in a plethora of other veggies like leeks, onions, celery and carrots. And while it's missing all the excess fat of the classic dish, this nutritious take with lean ground turkey doesn't skimp on flavor thanks to flavorful herbs like fresh thyme, garlic cloves and parsley.

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Get the Not Your Average Shepherd's Pie recipe and nutrition info here.

4. Steel-Cut Oatmeal Berry Breakfast Bake

This oatmeal breakfast bake will give you the energy to power through the day.
Image Credit: Livestrong
  • 279 calories
  • 11 grams of protein

This breakfast bake is bursting with antioxidant-rich berries and potassium-packed bananas. With the dynamic duo of steel-cut oats and quinoa to keep you full and your blood sugar steady, you can say goodbye to sugar crashes and sweets cravings. Top with a dollop of Greek yogurt for an extra punch of protein.

Get the Steel-Cut Oatmeal Berry Breakfast Bake recipe and nutrition info here.

5. Easy Breakfast Casserole

This easy breakfast casserole has hash browns, ham, cheese and eggs.
Image Credit: The Wholesome Dish
  • 208 calories
  • 17.3 grams of protein

It'll take more time to preheat your oven than to prepare this quick and easy egg casserole. By using frozen hash browns, shredded cheese and cubed ham, you cut most of the tedious prep work. Serve with salsa or hot sauce for a little zesty zing.

Get the Easy Breakfast Casserole recipe and nutrition info from The Wholesome Dish.

6. Tomato Parmesan Breakfast Casserole

This bread-based breakfast casserole owes its flavor to sautéed tomatoes, fresh basil and pungent parmesan cheese.
Image Credit: The Wholesome Dish
  • 201 calories
  • 11.1 grams of protein

Simple ingredients, big flavors: That sums up this savory bread pudding made with sautéed tomatoes, fresh basil and pungent parmesan cheese. For the best results, use a bread with good texture, such as ciabatta, French bread, whole wheat or multi-grain bakery breads.

Get the Tomato Parmesan Breakfast Casserole recipe and nutrition info from The Wholesome Dish.

7. Easy Denver Omelet Hash Brown Casserole

This breakfast casserole is loaded with eggs, potatoes, ham, cheese and veggies.
  • 234 calories
  • 18 grams of protein

This colorful casserole will have you eating the rainbow with green bell peppers, yellow onions and cherry red tomatoes. Loaded with eggs, ham and cheese, just one slice of this delicious Denver-style dish serves up 18 grams of belly-filling protein.

Get the Easy Denver Omelet Hash Brown Casserole recipe and nutrition info from The Wholesome Dish.

8. Ham And Asparagus Crustless Quiche

This ham and cheese quiche casserole is topped with fiber-rich asparagus.
Image Credit: The Wholesome Dish
  • 148 calories
  • 11 grams of protein

This crustless quiche is light and fluffy but still robust and hearty with ingredients like high-protein ham and fiber-filled asparagus. Cutting out the crust slashes the carbs to a mere 1 gram per serving. And at 148 calories per slice, you can still enjoy seconds without breaking the calorie bank.

Get the Ham And Asparagus Crustless Quiche recipe and nutrition info from The Wholesome Dish.

9. Bisquick Breakfast Casserole With Sausage

This breakfast casserole tastes like a pancake thanks to Bisquick baking mix,
  • 316 calories
  • 16 grams of protein

The secret ingredient in this crowd-pleasing casserole is Bisquick baking mix, which likens the dish to a savory pancake stuffed with cheese and breakfast sausage. Got leftovers? Simply store the casserole in an airtight container or a food storage bag and freeze for up to three months.

Get the Bisquick Breakfast Casserole With Sausage recipe and nutrition info from Amanda’s Easy Recipes.

10. Sausage Crescent Roll Breakfast Casserole

This cheesy breakfast casserole has a buttery crescent roll base.
  • 467 calories
  • 23 grams of protein

This easy, cheesy breakfast casserole is the perfect comfort food for a weekend breakfast when you're craving something a little indulgent. The buttery crescent roll base is so yummy, this egg bake is guaranteed to be a hit at your next potluck brunch.

Get the Sausage Crescent Roll Breakfast Casserole recipe and nutrition info from Amanda’s Easy Recipes.

11. Loaded Vegetable Egg Bake

This vegetarian egg bake is stuffed with veggies.
  • 167 calories
  • 12 grams of protein

Not big on breakfast meats? This vegetable egg bake is for you. Overflowing with white mushrooms, bell pepper, yellow onion, baby spinach and cherry tomatoes, you can easily hit your daily veggie target with no problem. Sautéed veggies are topped with thyme and rosemary leaves for oodles of flavor without extra salt or unhealthy fats.

Get the Loaded Vegetable Egg Bake recipe and nutrition info from Amanda’s Easy Recipes.

12. Mixed Berry French Toast Casserole

This French toast breakfast casserole with berries will hit your sweet spot.
Image Credit: Amanda's Easy Recipes
  • 314 calories
  • 12 grams of protein

If you have a sweet tooth, this mixed berry bread casserole — coated in a maple syrup and brown sugar custard sprinkled with vanilla and cinnamon — will hit the spot. The ​toughest​ part about making this no-fuss French toast bake is cutting the bread into cubes.

Get the Mixed Berry French Toast Casserole recipe and nutrition info from Amanda’s Easy Recipes.

13. Sausage Hash Brown Breakfast Casserole

This simple breakfast casserole is made with frozen hash browns, eggs and sausage.
Image Credit: Amanda's Easy Recipes
  • 321 calories
  • 18 grams of protein

This comforting casserole contains all your favorite breakfast foods: eggs, sausage, cheese and hash browns. Plus, it's a breeze to prep and can be made in advance. Simply let the casserole chill overnight for a stress-free, wake-and-bake breakfast.

Get the Sausage Hash Brown Breakfast Casserole recipe and nutrition info from Amanda’s Easy Recipes.

14. Cauliflower Breakfast Skillet Casserole

This cauliflower breakfast casserole is low carb.
  • 373 calories
  • 31 grams of protein

This low-carb (only 9 grams) cauliflower breakfast casserole boasts double the cheesiness thanks to cheddar and mozzarella and comes together in one skillet, literally. You sauté your veggies and sausage, then add eggs and cheese to the same skillet and bake it in the oven.

Get the Cauliflower Breakfast Skillet Casserole recipe and nutrition info from Love & Zest.

15. Vegetarian Tortilla Casserole

This vegetarian tortilla casserole gets its protein from black beans.
  • 403 calories
  • 16 grams of protein

This convenient casserole leans on pantry staples like black beans and freezer foods like frozen corn and veggie patties for a satisfying meal that requires little time and energy. Cumin, chili powder and diced green chilies offer a nice kick that's sure to wake you up even on the groggiest of mornings.

Get the Vegetarian Tortilla Casserole recipe and nutrition info from Love & Zest.

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