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High-Protein Breakfast Casserole

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  • Author: Amy
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Total Time: 50 minutes
  • Yield: 8 servings
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Gluten Free

Description

A comforting and filling high-protein breakfast casserole made with fluffy eggs, lean turkey sausage, creamy cottage cheese, spinach, and melted cheese—perfect for meal prep and busy mornings.


Ingredients

10 large eggs

1 1/2 cups low-fat cottage cheese

1 lb lean turkey sausage

2 cups fresh spinach

1 cup shredded cheddar or mozzarella cheese

1/2 tsp garlic powder

1/2 tsp salt

1/4 tsp black pepper

Olive oil spray


Instructions

  1. Preheat the oven to 375°F (190°C) and lightly coat a 9×13-inch baking dish with olive oil spray.
  2. Cook the turkey sausage in a skillet over medium-high heat, breaking it up until fully browned. Set aside to cool slightly.
  3. In a large bowl, whisk the eggs until smooth.
  4. Stir in the cottage cheese, shredded cheese, garlic powder, salt, and black pepper.
  5. Fold in the cooked sausage and fresh spinach until evenly combined.
  6. Pour the mixture into the prepared baking dish and spread into an even layer.
  7. Bake for 35–40 minutes, until the center is set and the edges are lightly golden.
  8. Let rest for 5–10 minutes before slicing and serving.

Notes

This casserole is great for meal prep and reheats well.

You can replace some whole eggs with egg whites for a lighter version.

Add bell peppers, onions, or mushrooms for extra vegetables.

Allow the casserole to rest before slicing so it holds its shape.


Nutrition

  • Serving Size: 1 slice
  • Calories: 290
  • Sugar: 2g
  • Sodium: 620mg
  • Fat: 18g
  • Saturated Fat: 7g
  • Unsaturated Fat: 9g
  • Trans Fat: 0g
  • Carbohydrates: 4g
  • Fiber: 1g
  • Protein: 26g
  • Cholesterol: 245mg