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Breakfast casseroles are one of the easiest ways to prepare a protein-packed breakfast for busy mornings. They’re perfect for meal prep, family brunches, holiday breakfasts, or simply having ready-to-eat meals throughout the week. By combining eggs, lean meats, cottage cheese, Greek yogurt, vegetables, and wholesome carbohydrates, you can create filling casseroles that keep you satisfied for hours.
Whether you prefer chicken, turkey, vegetables, potatoes, or Mediterranean-inspired flavors, these high-protein casseroles make breakfast both convenient and delicious.
Let’s start with the first five recipes.
1. 40g Protein Chicken Spinach Breakfast Casserole
Protein: 40g per serving
Tender chicken breast, eggs, spinach, cottage cheese, and cheddar cheese bake into a creamy, protein-rich breakfast casserole.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 8 large eggs
- 2 cups cooked chicken breast, diced
- 2 cups chopped spinach
- 1 cup low-fat cottage cheese
- 1 cup shredded cheddar cheese
- Salt and pepper
Instructions
- Preheat oven to 375°F (190°C).
- Whisk the eggs with salt and pepper.
- Stir in the remaining ingredients.
- Pour into a greased baking dish.
- Bake for 40 minutes.
- Cool slightly before slicing.
Nutrition (Per Serving)
- Calories: 330
- Protein: 40g
- Carbohydrates: 5g
- Fat: 16g
- Fiber: 1g
2. 39g Protein Turkey Sweet Potato Breakfast Casserole
Protein: 39g per serving
Lean turkey, roasted sweet potatoes, eggs, spinach, and mozzarella create a hearty make-ahead breakfast.
Preparation Time
20 minutes
Cook Time
40 minutes
Total Time
1 hour
Servings
8
Ingredients
- 8 eggs
- 2 cups cooked turkey breast, diced
- 2 cups roasted sweet potatoes
- 2 cups spinach
- 1 cup shredded mozzarella
- Salt and pepper
Instructions
- Preheat the oven to 375°F (190°C).
- Mix all ingredients together.
- Pour into a baking dish.
- Bake for 40 minutes.
- Let cool before serving.
Nutrition (Per Serving)
- Calories: 320
- Protein: 39g
- Carbohydrates: 10g
- Fat: 14g
- Fiber: 2g
3. 38g Protein Cottage Cheese Egg Bake
Protein: 38g per serving
Cottage cheese, eggs, peppers, onions, and spinach create a creamy casserole that’s ideal for meal prep.
Preparation Time
15 minutes
Cook Time
35 minutes
Total Time
50 minutes
Servings
8
Ingredients
- 10 eggs
- 2 cups low-fat cottage cheese
- 2 cups spinach
- 1 cup diced bell peppers
- ½ cup diced onions
- Black pepper
Instructions
- Preheat oven to 375°F (190°C).
- Mix all ingredients together.
- Pour into a greased casserole dish.
- Bake for 35 minutes.
- Slice and serve.
Nutrition (Per Serving)
- Calories: 290
- Protein: 38g
- Carbohydrates: 6g
- Fat: 13g
- Fiber: 1g
4. 41g Protein Chicken Broccoli Breakfast Casserole
Protein: 41g per serving
Chicken breast, broccoli, eggs, cheddar cheese, and cottage cheese create a filling breakfast casserole with plenty of protein.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 8 eggs
- 2 cups diced cooked chicken breast
- 2 cups broccoli florets
- 1 cup low-fat cottage cheese
- 1 cup shredded cheddar cheese
Instructions
- Combine all ingredients.
- Transfer to a greased casserole dish.
- Bake at 375°F (190°C) for 40 minutes.
- Cool slightly before slicing.
Nutrition (Per Serving)
- Calories: 335
- Protein: 41g
- Carbohydrates: 6g
- Fat: 16g
- Fiber: 2g
5. 40g Protein Mediterranean Breakfast Casserole
Protein: 40g per serving
Eggs, chicken, spinach, tomatoes, feta, and herbs create a colorful Mediterranean-inspired breakfast bake.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 8 eggs
- 2 cups cooked chicken breast
- 2 cups spinach
- 1 cup cherry tomatoes
- ¾ cup crumbled feta cheese
- Oregano
Instructions
- Preheat the oven to 375°F (190°C).
- Mix all ingredients.
- Pour into a greased baking dish.
- Bake for 40 minutes.
- Slice and serve warm.
Nutrition (Per Serving)
- Calories: 325
- Protein: 40g
- Carbohydrates: 5g
- Fat: 16g
- Fiber: 1g
6. 39g Protein Turkey & Mushroom Breakfast Casserole
Protein: 39g per serving
Lean turkey, mushrooms, spinach, eggs, and mozzarella bake into a hearty casserole that’s perfect for meal prep.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 8 large eggs
- 2 cups cooked turkey breast, diced
- 2 cups sliced mushrooms
- 2 cups baby spinach
- 1 cup shredded mozzarella cheese
- Salt and black pepper
Instructions
- Preheat the oven to 375°F (190°C).
- Combine all ingredients in a large bowl.
- Transfer to a greased baking dish.
- Bake for 40 minutes until set.
- Cool slightly before slicing.
Nutrition (Per Serving)
- Calories: 320
- Protein: 39g
- Carbohydrates: 5g
- Fat: 15g
- Fiber: 1g
7. 41g Protein Chicken Sweet Potato Breakfast Bake
Protein: 41g per serving
Chicken, roasted sweet potatoes, eggs, spinach, and cheddar create a balanced breakfast casserole with plenty of protein.
Preparation Time
20 minutes
Cook Time
40 minutes
Total Time
1 hour
Servings
8
Ingredients
- 8 large eggs
- 2 cups cooked chicken breast, diced
- 2 cups roasted sweet potatoes
- 2 cups spinach
- 1 cup shredded cheddar cheese
- Paprika
- Salt and pepper
Instructions
- Preheat the oven to 375°F (190°C).
- Mix all ingredients together.
- Pour into a greased casserole dish.
- Bake for 40 minutes.
- Slice and serve.
Nutrition (Per Serving)
- Calories: 335
- Protein: 41g
- Carbohydrates: 10g
- Fat: 15g
- Fiber: 2g
8. 38g Protein Ham-Free Breakfast Casserole
Protein: 38g per serving
Chicken sausage, eggs, peppers, onions, spinach, and cheddar cheese make a flavorful breakfast bake without pork.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 8 large eggs
- 2 cups sliced chicken sausage
- 2 cups baby spinach
- 1 cup diced bell peppers
- ½ cup diced onion
- 1 cup shredded cheddar cheese
Instructions
- Preheat oven to 375°F (190°C).
- Combine all ingredients.
- Pour into a greased casserole dish.
- Bake for 40 minutes.
- Cool before serving.
Nutrition (Per Serving)
- Calories: 330
- Protein: 38g
- Carbohydrates: 6g
- Fat: 17g
- Fiber: 1g
9. 40g Protein Cottage Cheese Broccoli Casserole
Protein: 40g per serving
Broccoli, cottage cheese, eggs, cheddar, and chicken breast combine into a creamy, satisfying breakfast casserole.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 8 large eggs
- 2 cups cooked chicken breast
- 2 cups broccoli florets
- 1½ cups low-fat cottage cheese
- 1 cup shredded cheddar cheese
- Salt and pepper
Instructions
- Preheat the oven to 375°F (190°C).
- Mix all ingredients thoroughly.
- Pour into a baking dish.
- Bake for 40 minutes.
- Slice and serve warm.
Nutrition (Per Serving)
- Calories: 335
- Protein: 40g
- Carbohydrates: 6g
- Fat: 16g
- Fiber: 2g
10. 42g Protein Chicken & Egg Breakfast Casserole
Protein: 42g per serving
Chicken breast, eggs, cottage cheese, spinach, and mozzarella bake into one of the highest-protein casseroles in this collection.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 10 large eggs
- 2½ cups cooked chicken breast, diced
- 2 cups spinach
- 1 cup low-fat cottage cheese
- 1 cup shredded mozzarella cheese
- Garlic powder
- Black pepper
Instructions
- Preheat oven to 375°F (190°C).
- Mix all ingredients together.
- Pour into a greased casserole dish.
- Bake for 40 minutes or until fully set.
- Cool for 10 minutes before slicing.
Nutrition (Per Serving)
- Calories: 340
- Protein: 42g
- Carbohydrates: 5g
- Fat: 16g
- Fiber: 1g
11. 41g Protein Chicken & Zucchini Breakfast Casserole
Protein: 41g per serving
Tender chicken breast, zucchini, spinach, eggs, and mozzarella create a light but filling breakfast casserole that’s perfect for meal prep.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 8 large eggs
- 2½ cups cooked chicken breast, diced
- 2 cups shredded zucchini
- 2 cups baby spinach
- 1 cup shredded mozzarella cheese
- Salt and black pepper
Instructions
- Preheat oven to 375°F (190°C).
- Squeeze excess moisture from the zucchini.
- Mix all ingredients together.
- Pour into a greased casserole dish.
- Bake for 40 minutes, cool slightly, then slice.
Nutrition (Per Serving)
- Calories: 330
- Protein: 41g
- Carbohydrates: 6g
- Fat: 15g
- Fiber: 2g
12. 39g Protein Turkey Veggie Breakfast Casserole
Protein: 39g per serving
Lean turkey, colorful vegetables, eggs, and cheddar cheese create a hearty breakfast bake full of flavor.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 8 large eggs
- 2 cups cooked turkey breast, diced
- 1 cup diced bell peppers
- 1 cup mushrooms
- 2 cups spinach
- 1 cup shredded cheddar cheese
- Salt and pepper
Instructions
- Preheat the oven to 375°F (190°C).
- Mix all ingredients together.
- Pour into a greased baking dish.
- Bake for 40 minutes.
- Let cool before serving.
Nutrition (Per Serving)
- Calories: 325
- Protein: 39g
- Carbohydrates: 7g
- Fat: 15g
- Fiber: 2g
13. 40g Protein Southwest Chicken Breakfast Casserole
Protein: 40g per serving
Chicken, black beans, peppers, eggs, cheddar, and salsa come together in a flavorful Southwest-inspired breakfast casserole.
Preparation Time
20 minutes
Cook Time
40 minutes
Total Time
1 hour
Servings
8
Ingredients
- 8 large eggs
- 2 cups cooked chicken breast
- 1 cup black beans
- 1 cup diced bell peppers
- 1 cup salsa
- 1 cup shredded cheddar cheese
Instructions
- Preheat oven to 375°F (190°C).
- Combine all ingredients thoroughly.
- Pour into a greased casserole dish.
- Bake for 40 minutes.
- Slice and serve warm.
Nutrition (Per Serving)
- Calories: 345
- Protein: 40g
- Carbohydrates: 11g
- Fat: 15g
- Fiber: 3g
14. 38g Protein Spinach Mushroom Egg Casserole
Protein: 38g per serving
Spinach, mushrooms, cottage cheese, eggs, and mozzarella create a creamy vegetarian breakfast casserole.
Preparation Time
15 minutes
Cook Time
35 minutes
Total Time
50 minutes
Servings
8
Ingredients
- 10 large eggs
- 2 cups low-fat cottage cheese
- 2 cups spinach
- 2 cups sliced mushrooms
- 1 cup shredded mozzarella cheese
- Garlic powder
- Black pepper
Instructions
- Preheat oven to 375°F (190°C).
- Mix all ingredients together.
- Pour into a greased casserole dish.
- Bake for 35–40 minutes.
- Cool slightly before slicing.
Nutrition (Per Serving)
- Calories: 300
- Protein: 38g
- Carbohydrates: 6g
- Fat: 13g
- Fiber: 2g
15. 42g Protein Chicken Broccoli Cheddar Casserole
Protein: 42g per serving
Chicken breast, broccoli, cheddar cheese, eggs, and cottage cheese create a rich, satisfying breakfast that’s packed with protein.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 8 large eggs
- 2½ cups cooked chicken breast
- 2 cups broccoli florets
- 1 cup low-fat cottage cheese
- 1 cup shredded cheddar cheese
- Salt and pepper
Instructions
- Preheat oven to 375°F (190°C).
- Stir all ingredients together.
- Transfer to a greased casserole dish.
- Bake for 40 minutes.
- Slice and serve.
Nutrition (Per Serving)
- Calories: 340
- Protein: 42g
- Carbohydrates: 6g
- Fat: 16g
- Fiber: 2g
16. 40g Protein Mediterranean Breakfast Bake
Protein: 40g per serving
Chicken breast, spinach, cherry tomatoes, olives, feta cheese, and herbs create a Mediterranean-inspired breakfast casserole.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 8 large eggs
- 2 cups cooked chicken breast
- 2 cups spinach
- 1 cup cherry tomatoes
- ¼ cup sliced olives
- ¾ cup crumbled feta cheese
- Oregano
Instructions
- Preheat oven to 375°F (190°C).
- Mix all ingredients together.
- Pour into a greased casserole dish.
- Bake for 40 minutes.
- Cool slightly before serving.
Nutrition (Per Serving)
- Calories: 330
- Protein: 40g
- Carbohydrates: 5g
- Fat: 17g
- Fiber: 1g
17. 39g Protein Chicken Sausage Breakfast Casserole
Protein: 39g per serving
Chicken sausage, eggs, spinach, onions, and cheddar create a flavorful breakfast casserole perfect for feeding a crowd.
Preparation Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Servings
8
Ingredients
- 8 large eggs
- 2 cups sliced chicken sausage
- 2 cups spinach
- ½ cup diced onions
- 1 cup shredded cheddar cheese
- Black pepper
Instructions
- Preheat oven to 375°F (190°C).
- Mix all ingredients together.
- Transfer to a baking dish.
- Bake for 40 minutes.
- Cool before slicing.
Nutrition (Per Serving)
- Calories: 335
- Protein: 39g
- Carbohydrates: 5g
- Fat: 18g
- Fiber: 1g
18. 40g Protein Turkey Potato Breakfast Casserole
Protein: 40g per serving
Turkey breast, roasted potatoes, spinach, eggs, and mozzarella create a hearty breakfast that’s ideal for meal prep.
Preparation Time
20 minutes
Cook Time
40 minutes
Total Time
1 hour
Servings
8
Ingredients
- 8 large eggs
- 2 cups cooked turkey breast
- 2 cups roasted potatoes
- 2 cups spinach
- 1 cup shredded mozzarella cheese
- Salt and pepper
Instructions
- Preheat oven to 375°F (190°C).
- Combine all ingredients thoroughly.
- Pour into a casserole dish.
- Bake for 40 minutes.
- Slice and serve warm.
Nutrition (Per Serving)
- Calories: 335
- Protein: 40g
- Carbohydrates: 11g
- Fat: 14g
- Fiber: 2g
19. 41g Protein Chicken Egg White Breakfast Casserole
Protein: 41g per serving
Egg whites, chicken breast, spinach, peppers, and mozzarella create a lighter breakfast casserole with plenty of protein.
Preparation Time
15 minutes
Cook Time
35 minutes
Total Time
50 minutes
Servings
8
Ingredients
- 12 egg whites
- 2½ cups cooked chicken breast
- 2 cups spinach
- 1 cup diced bell peppers
- 1 cup shredded mozzarella cheese
- Garlic powder
Instructions
- Preheat oven to 375°F (190°C).
- Mix all ingredients together.
- Pour into a greased casserole dish.
- Bake for 35–40 minutes.
- Let cool before slicing.
Nutrition (Per Serving)
- Calories: 285
- Protein: 41g
- Carbohydrates: 5g
- Fat: 10g
- Fiber: 1g
20. 42g Protein Ultimate Breakfast Casserole
Protein: 42g per serving
Chicken breast, turkey breast, eggs, cottage cheese, spinach, broccoli, and cheddar combine into the ultimate high-protein breakfast casserole.
Preparation Time
20 minutes
Cook Time
45 minutes
Total Time
1 hour 5 minutes
Servings
10
Ingredients
- 10 large eggs
- 2 cups cooked chicken breast
- 2 cups cooked turkey breast
- 2 cups broccoli florets
- 2 cups spinach
- 1 cup low-fat cottage cheese
- 1 cup shredded cheddar cheese
- Salt and pepper
Instructions
- Preheat oven to 375°F (190°C).
- Mix all ingredients thoroughly.
- Pour into a large greased casserole dish.
- Bake for 45 minutes or until set.
- Cool for 10 minutes before slicing and serving.
Nutrition (Per Serving)
- Calories: 345
- Protein: 42g
- Carbohydrates: 6g
- Fat: 16g
- Fiber: 2g
Frequently Asked Questions
Can I make breakfast casseroles ahead of time?
Yes. Most breakfast casseroles can be assembled the night before, refrigerated, and baked the next morning. They also store well in the refrigerator for up to 4 days.
Can breakfast casseroles be frozen?
Absolutely. Allow the casserole to cool completely, slice it into portions, and freeze in airtight containers for up to 3 months. Reheat in the microwave or oven before serving.
How can I increase the protein?
Add extra chicken, turkey, egg whites, cottage cheese, Greek yogurt, or shredded cheese. Using lean meats and egg whites is one of the easiest ways to boost protein.
Are these casseroles good for meal prep?
Yes. They are among the best meal-prep breakfasts because they reheat well and can be portioned into individual servings for quick weekday breakfasts.
Can I customize the vegetables?
Definitely. Broccoli, spinach, mushrooms, peppers, zucchini, onions, kale, asparagus, tomatoes, and cauliflower all work well in breakfast casseroles.
Conclusion
These 20 High-Protein Breakfast Casserole Recipes make meal prep simple while delivering satisfying, protein-rich breakfasts the whole family can enjoy. From classic chicken and spinach casseroles to Mediterranean-inspired bakes, Southwest flavors, turkey casseroles, and veggie-packed egg bakes, these recipes are perfect for busy mornings, brunches, or preparing healthy breakfasts in advance. With plenty of protein in every serving, they’ll help keep you full, energized, and ready to tackle the day.
