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Easy Lean Turkey Sausage and Egg Casserole Recipe for Healthy Breakfasts

easy lean turkey sausage and egg casserole - featured image

A quick, wholesome breakfast casserole combining lean turkey sausage, fluffy eggs, Greek yogurt, and fresh herbs, perfect for meal prep and busy mornings.

Ingredients

Scale
  • 1 pound lean turkey sausage, casing removed and crumbled
  • 8 large eggs, room temperature
  • 4 egg whites
  • ½ cup whole milk Greek yogurt (120 ml)
  • ½ cup sharp cheddar cheese, shredded (50 g), optional
  • 1 tablespoon fresh thyme leaves, finely chopped (or 1 teaspoon dried thyme)
  • 1 teaspoon smoked paprika
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • 1 small onion, finely chopped
  • 2 cloves garlic, minced
  • 2 cups fresh baby spinach, roughly chopped (optional)
  • 1 tablespoon olive oil
  • 3 cups bread cubes (about 3.5 oz / 100 g) whole wheat or sourdough, lightly toasted (optional)

Instructions

  1. Preheat your oven to 350°F (175°C). Lightly grease a 9×13-inch (23×33 cm) baking dish with olive oil or non-stick spray.
  2. Heat 1 tablespoon olive oil in a large skillet over medium heat. Add the crumbled turkey sausage and cook for 5-7 minutes, breaking it up with a spatula, until no longer pink and starting to brown. Drain excess fat if needed.
  3. Add the chopped onion and minced garlic to the skillet with the sausage. Cook for 3-4 minutes until softened and fragrant. Stir in the chopped spinach (if using) and cook until just wilted, about 1-2 minutes. Remove from heat and let cool slightly.
  4. In a large mixing bowl, whisk together 8 large eggs and 4 egg whites until well combined. Stir in the Greek yogurt, shredded cheddar cheese, fresh thyme, smoked paprika, salt, and black pepper. Mix until smooth.
  5. Fold the cooked sausage and vegetable mixture into the egg mixture. Then gently fold in the bread cubes if using, making sure everything is evenly distributed.
  6. Transfer the mixture into your prepared casserole dish, spreading it out evenly.
  7. Bake for 35-40 minutes until the casserole puffs slightly and a knife inserted in the center comes out clean. If the top browns too quickly, loosely cover with foil.
  8. Let the casserole rest for 5-10 minutes before slicing to help it hold together.

Notes

Lightly grease the baking dish to prevent sticking. Toast bread cubes well and press spinach dry to avoid sogginess. Let casserole rest before slicing for clean pieces. Cover with foil if top browns too fast. Cooking sausage in batches prevents steaming and improves flavor.

Nutrition

Keywords: turkey sausage casserole, healthy breakfast, egg casserole, lean protein breakfast, meal prep breakfast, easy breakfast bake