High Protein Hashbrown Casserole (Easy Make-Ahead Breakfast)

High Protein Hashbrown Casserole (Lower Calorie, Make-Ahead Breakfast)

This high protein hashbrown casserole has all the cozy comfort of a classic cheesy hashbrown bake—crispy potatoes, savory sausage, and gooey cheese—but in a lighter, macro-friendly way. It uses lean turkey sausage, lots of egg whites, and cottage cheese to boost the protein while keeping calories in check.

It’s perfect for meal prep, holiday breakfasts, brunch, or those extra-busy weeks when you want to reheat a slice and know you’re starting the day with a satisfying, on-plan meal.

1/6th of the recipe is 25 grams of protein, 1/8th is 19.

Why You’ll Love This High Protein Hashbrown Casserole

• High protein and filling: Egg whites, whole eggs, turkey sausage, and cottage cheese make this breakfast casserole incredibly satisfying.

• Lower calorie comfort food: You still get cheesy hashbrowns and sausage, just in a lighter, better-for-you version.

• Meal prep friendly: Bake once, then enjoy easy reheat-and-eat breakfasts for days.

• Family friendly: Classic flavors and familiar ingredients make this an easy win with husbands, teens, and kids.

Ingredients for High Protein Hashbrown Casserole

• 1 package refrigerated shredded hashbrowns

• 1 lb lean turkey sausage

• ½ onion, chopped

• ½ bell pepper, chopped

• 1½ cups liquid egg whites

• 2 whole eggs

• ½ cup cottage cheese

• ⅓-2/3 cup reduced-fat shredded cheese

• 2 tablespoons pre-cooked bacon pieces

• 1 teaspoon salt

• ½ teaspoon black pepper

• Any additional seasonings you like (garlic powder, onion powder, smoked paprika, etc.)

How to Make High Protein Hashbrown Casserole

1. Prep the pan and potatoes
   Preheat your oven to 350°F (175°C). Lightly spray a 9×13 baking dish with nonstick spray. Spread the refrigerated hashbrowns evenly in the bottom of the pan.

2. Cook the sausage and veggies
   In a large skillet over medium heat, cook the lean turkey sausage, breaking it up with a spatula. When it’s almost cooked through, add the chopped onion and bell pepper. Continue cooking until the sausage is browned and the veggies are tender.

3. Layer over hashbrowns
   Evenly spoon the sausage, onion, and pepper mixture over the hashbrowns in the prepared baking dish.

4. Make the egg mixture
   In a medium bowl, whisk together the liquid egg whites, whole eggs, and cottage cheese until well combined. Stir in the salt, pepper, and any additional seasonings you like.

5. Pour and bake
   Pour the egg mixture evenly over the sausage and potatoes, making sure it seeps down into all the nooks and crannies. Bake at 350°F for about 25 minutes, or until the casserole is mostly set in the center.

6. Add cheese and bacon
   Remove the casserole from the oven and sprinkle the reduced-fat shredded cheese and bacon pieces evenly over the top. Return to the oven and bake for another 5–10 minutes, or until the cheese is melted and the casserole is fully cooked through.

7. Cool and serve
   Let the casserole cool for a few minutes before slicing. Serve warm, or cool completely and store in the fridge for easy reheat-and-eat breakfasts.

Tips and Variations

• Make it spicier: Use hot turkey sausage or add crushed red pepper flakes, cayenne, or extra smoked paprika to the egg mixture.

• Add more veggies: Stir in extra vegetables like spinach, mushrooms, or zucchini along with the onion and pepper.

• Great for meal prep: Slice into 6-8 portions, store in airtight containers, and reheat in the microwave or air fryer for quick high protein breakfasts all week.

• Increase the protein: Add nutritional yeast, increase the cheese, egg whites, bacon bits, or the cottage cheese. 1/8th of the recipe has 19 grams of protein. 1/6th of the recipe has 25 grams of protein.

Meta description

High protein hashbrown casserole that’s cheesy, satisfying, and lower in calories. Made with lean turkey sausage, egg whites, and cottage cheese for an easy, make-ahead breakfast bake.

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