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The finished casserole cut and placed on a white plate with a silver fork with the rest of the casserole in the background and a plaid towel

Easy Turkey Sausage Breakfast Casserole

This Turkey Sausage Breakfast Casserole is an easy, high-protein breakfast made with eggs, turkey sausage, hash browns, Greek yogurt, and cheddar cheese. Perfect for meal prep, holiday mornings, or feeding a hungry family.
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Prep Time:15 minutes
Cook Time:45 minutes
Total Time:1 hour
Course: Breakfast
Cuisine: American
Keyword: turkey sausage breakfast casserole
Servings: 12 Servings

Ingredients

  • 1 pound turkey sausage
  • 3 cups shredded hash browns
  • 1½ cups shredded cheddar cheese
  • 12 large eggs
  • 1 cup plain Greek yogurt
  • ½ cup milk
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • 1 teaspoon garlic powder

Instructions

  1. Preheat the oven to 375°F. Grease a 9x13-inch baking dish.
  2. In a large skillet, cook the turkey sausage over medium heat until browned, breaking it into crumbles. Drain any excess grease if needed.
  3. Spread the hash browns or diced potatoes evenly in the prepared baking dish.
  4. Sprinkle the cooked turkey sausage over the potatoes, then top with the shredded cheddar cheese.
  5. In a large mixing bowl, whisk together the eggs, Greek yogurt, milk, salt, pepper, and garlic powder until smooth.
  6. Pour the egg mixture evenly over the casserole.
  7. Bake for 40–45 minutes, or until the center is set and a knife inserted into the middle comes out clean.
  8. Let the casserole rest for 5–10 minutes before slicing and serving.

Notes

  • Assemble the casserole the night before and refrigerate until ready to bake.
  • Frozen hash browns work well without thawing.
  • Add diced peppers, spinach, mushrooms, or onions for extra vegetables.
  • Store leftovers in the refrigerator for up to 4 days or freeze for up to 3 months.