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high protein breakfast casserole

27g Protein High Protein Breakfast Casserole You Need Now


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  • Author: Mery Johnston
  • Total Time: 50 minutes
  • Yield: 8 servings 1x
  • Diet: Low Fat

Description

A high-protein breakfast casserole packed with eggs, cottage cheese, turkey sausage, and vegetables. Perfect for meal prep and a healthy start to your day.


Ingredients

Scale
  • 10 large eggs
  • 1 cup liquid egg whites
  • 1 cup low-fat cottage cheese
  • 1/2 cup milk (2% or whole)
  • 1 1/2 cups cooked lean turkey sausage, crumbled (or lean ground turkey)
  • 1 1/2 cups mushrooms, sliced
  • 1 cup baby spinach, chopped
  • 1 cup red bell pepper, diced
  • 1/2 small onion, diced
  • 2 cups shredded sharp cheddar cheese, divided
  • 1 tsp garlic powder
  • 1 tsp salt
  • 1/2 tsp black pepper
  • 1/4 tsp crushed red pepper flakes (optional)
  • 1 tbsp olive oil (for sautéing)
  • Optional for serving: avocado slices, salsa, cilantro

Instructions

  1. Preheat oven to 375°F. Grease a 9×13-inch baking dish.
  2. Heat olive oil in a skillet over medium heat. Sauté onion and mushrooms 5–6 minutes until softened. Add bell pepper and cook 2 minutes. Stir in spinach until just wilted.
  3. In a large bowl, whisk eggs, egg whites, cottage cheese, and milk until combined. Stir in garlic powder, salt, pepper, and red pepper flakes.
  4. Spread turkey sausage in the baking dish. Add the sautéed veggies. Sprinkle 1 cup cheddar over the top. Pour egg mixture evenly into the dish.
  5. Sprinkle remaining 1 cup cheddar on top.
  6. Bake 30–35 minutes until set in the center (a knife comes out mostly clean).
  7. Rest 10 minutes, then slice and serve with avocado and salsa.

Notes

  • Store leftovers in an airtight container in the fridge for up to 4 days.
  • Reheat slices in the microwave or oven.
  • Customize with your favorite vegetables or protein.
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 330
  • Sugar: 3g
  • Sodium: 650mg
  • Fat: 20g
  • Saturated Fat: 8g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 6g
  • Fiber: 1g
  • Protein: 27g
  • Cholesterol: 280mg