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High Protein Breakfast Casserole Recipe

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4.4 from 10 reviews

This High Protein Breakfast Casserole is a delicious and hearty morning meal packed with lean ground turkey, eggs, cottage cheese, and vibrant veggies. Baked to golden perfection with a cheesy topping, it’s an ideal make-ahead dish that offers a nutritious and satisfying start to your day.

Ingredients

Vegetables and Meat

  • 1 small onion, diced
  • 1 red bell pepper, diced
  • 1 lb ground turkey

Egg Mixture

  • 12 eggs
  • 2 cups (16 oz) cottage cheese
  • 1 ½ teaspoons garlic powder
  • ¼ teaspoon ground black pepper
  • 1 teaspoon sea salt, divided
  • ¼ cup fresh chives, finely diced, plus more for garnish

Cheese and Cooking

  • 1 cup shredded cheddar cheese
  • Oil, for cooking and greasing the pan

Instructions

  1. Prep: Preheat your oven to 375°F (190°C). Lightly grease a 9 x 13-inch casserole dish with oil to ensure the casserole won't stick during baking.
  2. Sauté Vegetables: Heat oil in a large skillet over medium heat. Add the diced onions and red bell peppers, cooking them until they become soft and fragrant, about 5 to 7 minutes. Then remove the cooked veggies from the pan and place them in a large mixing bowl.
  3. Cook Ground Turkey: In the same skillet, add a little more oil if needed, then add the ground turkey. Stir continuously to break up the meat into smaller crumbles. Sprinkle half a teaspoon of sea salt over it and cook the turkey until it is lightly browned, about 6 to 8 minutes. Transfer the cooked turkey to the bowl with the vegetables and let the mixture cool slightly.
  4. Blend Egg Mixture: In a blender, combine the remaining half teaspoon of sea salt, 12 eggs, 2 cups of cottage cheese, 1 ½ teaspoons garlic powder, ¼ teaspoon black pepper, and ¼ cup finely diced chives. Blend until smooth. If you prefer, use an immersion blender directly in a bowl to mix the ingredients thoroughly.
  5. Combine Ingredients: Pour the blended egg mixture into the bowl containing the cooked turkey and vegetables. Stir all components together until well mixed, ensuring an even distribution of meat, veggies, and egg mixture.
  6. Assemble the Casserole: Pour this combined mixture into your prepared baking dish, spreading it out evenly. Sprinkle 1 cup of shredded cheddar cheese on top as a flavorful, melty topping. Optionally, add some freshly diced chives for garnish and a touch of color.
  7. Bake: Cover the casserole dish with foil and bake it in the preheated oven for 20 minutes. Afterward, remove the foil and continue baking uncovered for an additional 15 to 20 minutes until the eggs are fully set and the top is golden brown.
  8. Rest and Serve: Let the casserole rest for 10 minutes once out of the oven. This allows it to firm up a bit for easier slicing and serving. Enjoy this high-protein, savory breakfast dish warm!

Notes

  • You can substitute ground turkey with ground chicken or lean ground beef if preferred.
  • If you don’t have a blender, mixing the egg ingredients thoroughly with a whisk or an immersion blender in a bowl works just as well.
  • Adding a bit of smoked paprika or cayenne pepper can give the casserole a spicy kick.
  • This casserole can be prepared the night before and baked fresh in the morning for convenience.
  • Leftovers keep well in the refrigerator for up to 3 days and can be reheated in the microwave.
  • To make this dish gluten-free, ensure that all seasonings and cheese are certified gluten-free.