Hashbrown Breakfast Casserole: An Incredible 5-Step Recipe
If you’re in the mood for the ultimate breakfast crowd-pleaser, look no further than Hashbrown Breakfast Casserole: An Incredible 5-Step Recipe. This flavorful, cheesy baked dish weaves together crispy hash browns, savory sausage, gooey cheese, and fresh veggies into each and every bite. Whether you’re hosting brunch, meal-prepping for the week, or searching for a comforting morning meal, this casserole will hit the spot and soon become your new favorite way to greet the day!

Ingredients You’ll Need
Hashbrown Breakfast Casserole: An Incredible 5-Step Recipe comes together with fuss-free, classic ingredients that pack big flavor into every slice. Each element plays a starring role—think creamy cheeses, hearty sausage, aromatic vegetables, and golden hashbrowns for unbeatable texture and color.
- Frozen Hash Browns (30 oz): These form the crispy, satisfying base for your casserole—no need to thaw first!
- Shredded Cheddar Cheese (1 cup): Adds bold, classic sharpness and golden color to every bite.
- Shredded Mozzarella Cheese (1 cup): Gives a gooey, melty texture that contrasts beautifully with the cheddar.
- Large Eggs (6): Bind the ingredients together and create that signature creamy custard.
- Milk (1 cup): Makes the casserole tender, light, and fluffy inside.
- Breakfast Sausage (1 pound, cooked and crumbled): Savory and hearty—this filling ingredient adds real depth of flavor.
- Medium Onion (chopped): Brings a gentle sweetness and classic aromatic boost.
- Bell Pepper (chopped): Adds freshness, a hint of sweetness, and a pop of color for a balanced bite.
- Garlic Powder (1 teaspoon): Enhances each mouthful with irresistible savory flavor.
- Onion Powder (1 teaspoon): Boosts umami and brings a mellow background flavor.
- Salt and Pepper (to taste): Essential for layering flavor—season generously!
- Cooking Spray or Olive Oil: Helps prevent sticking and ensures every piece comes out easily from the baking dish.
How to Make Hashbrown Breakfast Casserole: An Incredible 5-Step Recipe
Step 1: Preheat and Prep the Dish
Ready to kick off this flavor-packed morning? First, set your oven to 350°F (175°C) so it’s hot and waiting for you. Then, give a 9×13-inch baking dish a generous coat of cooking spray or a brush of olive oil. This ensures a flawless release and those perfect, crispy edges everyone loves.
Step 2: Sauté the Vegetables
Heat a skillet over medium and toss in your chopped onions and bell pepper. In just about 5-7 minutes, they’ll soften and sweeten, creating a fragrant veggie base that will pop against the heartier ingredients in your Hashbrown Breakfast Casserole: An Incredible 5-Step Recipe.
Step 3: Combine the Main Ingredients
Grab a large mixing bowl and bring together the frozen hashbrowns, cooked and crumbled sausage, your just-sautéed vegetables, garlic powder, onion powder, salt, and pepper. Sprinkle in those beautiful shredded cheeses and mix until everything is evenly distributed—this is where the magic marbling of flavors truly begins!
Step 4: Whisk and Pour the Egg Mixture
In a separate bowl, whisk the eggs and milk until smooth and well-blended. Pour this mixture over your hashbrown base, and stir until everything is coated and unified—this is what gives your casserole that irresistible creamy, custard-like interior!
Step 5: Bake to Perfection
Scrape the mixture into your prepared baking dish, smoothing the top for even baking. Place in the oven and bake for 30-35 minutes. You’ll know it’s ready when the casserole is beautifully golden, set, and a knife inserted in the center comes out clean. Now, try not to sneak a bite before it cools!
How to Serve Hashbrown Breakfast Casserole: An Incredible 5-Step Recipe

Garnishes
Give your casserole some fresh flair right before serving. A sprinkle of finely chopped chives or parsley delivers a bright pop of color and freshness, balancing the richness of the cheeses and sausage. For a little heat, dash on some hot sauce or a pinch of crushed red pepper.
Side Dishes
When it comes to building a morning feast, pair your Hashbrown Breakfast Casserole: An Incredible 5-Step Recipe with light, vibrant sides. Fresh fruit salad, tangy Greek yogurt, or a crisp green salad all work wonders. For a heartier option, offer a fresh-baked biscuit or a slice of rustic toast.
Creative Ways to Present
Want to make it extra special? Cut the casserole into neat squares for easy serving and use a large spatula to lift out flawless pieces. For brunch buffets, serve on a platter with colorful garnishes, or nestle individual servings in ramekins for an elegant touch. Add a side of coffee, orange juice, or a vibrant smoothie to complete the spread!
Make Ahead and Storage
Storing Leftovers
Any leftover Hashbrown Breakfast Casserole: An Incredible 5-Step Recipe keeps beautifully. Let it cool completely, then cover tightly or transfer to airtight containers. Store in the refrigerator for up to 3–4 days. This makes for quick, satisfying breakfasts—just reheat a portion whenever you like.
Freezing
If you want to plan even further ahead, this casserole freezes like a dream. Cut into individual portions, wrap each tightly with foil or plastic wrap, and place in a zip-top freezer bag. They’ll stay fresh for up to 2 months. Thaw overnight in the fridge before reheating for best texture.
Reheating
Reheat individual servings in the microwave in 30–60 second bursts until warmed through. For larger portions, cover with foil and warm in a 350°F oven for about 15–20 minutes so the cheese melts and everything is piping hot. Always check the center to make sure it’s thoroughly reheated.
FAQs
Can I use fresh potatoes instead of frozen hash browns?
Absolutely! Just peel and shred the potatoes, then pat them dry with a towel to remove excess moisture. This helps ensure your Hashbrown Breakfast Casserole: An Incredible 5-Step Recipe stays fluffy and not watery.
Is there a vegetarian version of this casserole?
Definitely—simply omit the sausage or swap in a plant-based sausage or extra veggies like mushrooms and spinach. The result is just as delicious and every bit as filling.
Can I prepare this casserole the night before baking?
You sure can! Assemble everything, cover the dish, and refrigerate overnight. In the morning, just pop it in the oven—an effortless way to enjoy a hot breakfast even on busy days.
What cheese alternatives work well in this recipe?
Feel free to make it your own! Try Monterey Jack for a mild, creamy touch, or pepper jack if you like a little kick. A mix of Gruyere and Swiss also adds wonderful richness.
How do I tell when the casserole is fully cooked?
The center should be set with no jiggle, and a knife inserted should come out clean. The top should be golden brown and the edges slightly crisp. If needed, bake a few minutes longer, checking every 2–3 minutes.
Final Thoughts
There’s nothing quite like serving up a warm slice of Hashbrown Breakfast Casserole: An Incredible 5-Step Recipe to friends or family and seeing every plate wiped clean! I hope you give this easy, hearty breakfast a try—it’s one of those dishes you’ll return to whenever you crave big flavor with minimal fuss. Happy cooking!
PrintHashbrown Breakfast Casserole: An Incredible 5-Step Recipe
Learn how to make a delicious Hashbrown Breakfast Casserole that’s perfect for feeding a crowd or meal prepping. This easy-to-follow recipe combines crispy hash browns, savory sausage, cheesy goodness, and flavorful vegetables for a hearty and satisfying breakfast dish.
- Prep Time: 20 minutes
- Cook Time: 35 minutes
- Total Time: 55 minutes
- Yield: 8 servings
- Category: Breakfast, Brunch
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
Frozen Hash Browns:
1 (30 oz) package frozen hash browns
Cheese Mixture:
1 cup shredded cheddar cheese, 1 cup shredded mozzarella cheese
Egg Mixture:
6 large eggs, 1 cup milk
Additional Ingredients:
1 pound breakfast sausage (cooked and crumbled), 1 medium onion (chopped), 1 bell pepper (chopped), 1 teaspoon garlic powder, 1 teaspoon onion powder, Salt and pepper to taste, Cooking spray or olive oil
Instructions
- Preheat Oven: Preheat your oven to 350°F (175°C) and lightly grease a 9×13-inch baking dish with cooking spray or olive oil.
- Prepare Veggies: In a skillet over medium heat, sauté the chopped onion and bell pepper until soft, about 5-7 minutes.
- Mix Ingredients: In a large bowl, combine the frozen hash browns, cooked sausage, sautéed vegetables, garlic powder, onion powder, salt, and pepper. Mix in the shredded cheeses until evenly distributed.
- Add Eggs and Milk: Whisk together the eggs and milk in another bowl. Pour over the hash brown mixture and stir until combined.
- Bake: Pour the mixture into the baking dish, smooth the top, and bake for 30-35 minutes until golden brown and cooked through.
Nutrition
- Serving Size: 1 slice
- Calories: 380
- Sugar: 2g
- Sodium: 720mg
- Fat: 25g
- Saturated Fat: 10g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 20g
- Fiber: 2g
- Protein: 19g
- Cholesterol: 185mg
Keywords: Hashbrown Breakfast Casserole, Breakfast Casserole, Hashbrown Casserole, Breakfast Recipe