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Turkey Sausage and Egg White Casserole

easy Turkey Sausage and Egg White Casserole recipe

A turkey sausage and egg white casserole is a baked breakfast dish made with cooked turkey sausage, egg whites, and a variety of vegetables and seasonings. It’s high in protein, low in calories, and ideal for those following a clean eating or low-carb diet. The casserole bakes until golden and firm, making it easy to slice into healthy, grab-and-go portions.

Ingredients

Scale
  •  pound turkey sausage (ground or links, cooked and crumbled)

  • 12 large egg whites (or 3 cups liquid egg whites)

  • ½ cup low-fat milk (or almond milk for dairy-free option)

  • 1 cup shredded mozzarella or reduced-fat cheddar cheese

  • 1 cup baby spinach, chopped

  • 1 small red bell pepper, diced

  • 1 small onion, finely chopped

  • ½ teaspoon garlic powder

  • ½ teaspoon black pepper

  • ½ teaspoon salt (optional, adjust to taste)

  • ½ teaspoon Italian seasoning (optional)

  • 1 tablespoon olive oil (for sautéing)

  • Non-stick spray or butter (for greasing)

Instructions

Step 1: Preheat oven

Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish with non-stick spray or butter.

Step 2: Cook turkey sausage

In a skillet, heat olive oil over medium heat. Add turkey sausage and cook until browned and fully cooked. Drain excess fat and set aside.

Step 3: Sauté vegetables

In the same skillet, add onion and bell pepper. Cook for 3–4 minutes until softened, then stir in chopped spinach until wilted. Remove from heat.

Step 4: Mix egg whites and seasonings

In a large bowl, whisk together egg whites, milk, garlic powder, salt, black pepper, and Italian seasoning until smooth and well combined.

Step 5: Assemble the casserole

Spread cooked sausage evenly across the baking dish. Add the sautéed vegetables on top. Pour the egg white mixture evenly over the sausage and vegetables. Sprinkle shredded cheese on top.

Step 6: Bake casserole

Bake uncovered for 35–40 minutes, or until the eggs are set and the top is lightly golden.

Step 7: Rest and serve

Let the casserole cool for 5–10 minutes before slicing. Serve warm and enjoy your healthy, delicious breakfast.