Start your day off right with our High-Protein Breakfast Casserole! This recipe brilliantly combines vibrant vegetables, protein-rich eggs, and cheese for a filling breakfast that’s bursting with flavor. The earthy notes from wild mushrooms and baby kale seamlessly pair with the sweetness of red bell pepper and the gentle aroma of garlic powder, creating a dish that will have the entire family returning for seconds. Not only is it delicious, but it’s also simple to prepare, making it a perfect option for busy weekday mornings or leisurely weekend brunches.

This casserole embodies versatility; you can easily customize it based on what’s in your fridge or what’s currently in season. A perfect dish for holidays or gatherings, it can serve a crowd while being mindful of dietary needs, as it’s packed with protein and nutrients. The main ingredients, including fresh wild mushrooms, baby kale, and cottage cheese, not only add flavor but also contribute significant health benefits, ensuring you start your day on a nutritious note.
Quick Facts:

- Active Time: 20 minutes
- Total Time: 50 minutes
- Servings: 8
- Nutrition Tags: High in protein, low sodium, gluten-free
Key Highlights:
- Flavor: Savory with earthy notes and a creamy finish.
- Nutrition: High in protein and fiber, and loaded with vitamins A and C.
- Versatility: Perfect for breakfast, brunch, or meal-prepped snacks.
Test Kitchen Tips:
- Make Ahead: Assemble the casserole a day in advance for an easy, ready-to-bake breakfast.
- Storage: Leftovers can be refrigerated for up to four days; reheat individual portions in the microwave.
- Ingredient Swaps: Substitute the Colby-Jack cheese with your favorite cheese or add cooked sausage or tofu for variety.
- Vegetable Variations: Use seasonal vegetables such as zucchini or spinach alongside mushrooms for added nutrition.
- Cottage Cheese Texture: For a creamier texture, choose ricotta cheese or Greek yogurt instead of cottage cheese.
Nutrition Notes:
Each serving of this High-Protein Breakfast Casserole contains valuable nutrients such as vitamin K, omega-3 fatty acids, and calcium. The addition of baby kale provides a significant boost in vitamins A and C, while the eggs contribute to a high protein count, helping you to feel fuller longer. For an in-depth analysis of nutrient benefits, check out this detailed article on the health benefits of eggs.
Nutrition Facts per Serving:

- Calories: 270
- Fat: 15g
- Carbohydrates: 12g
- Fiber: 1g
- Protein: 21g
- Sodium: 320mg
FAQ: High-Protein Breakfast Casserole
Q1: Can I use other vegetables in this High-Protein Breakfast Casserole?
A1: Absolutely! Feel free to mix in your favorite seasonal vegetables. Options like spinach, zucchini, or broccoli work beautifully.
Q2: How can I make this dish suitable for meal prep?
A2: You can prepare the casserole entirely in advance, store it in the fridge, and bake it as needed. It also reheats well, making it perfect for quick breakfasts throughout the week.
Q3: Is there a dairy-free alternative for this recipe?
A3: Yes, you can replace the cottage cheese and milk with plant-based alternatives like almond milk and cashew or coconut yogurt.






