Sausage Hash Brown Casserole
There’s something magical about starting a chilly winter morning with the comforting aroma of a hearty breakfast casserole baking in the oven. This sausage hash brown breakfast casserole is not just a dish; it’s a warm embrace on a cold day, loaded with flavor, and incredibly satisfying.

This recipe comes from my fond memories of family gatherings during the holidays.
Every winter, my mom would whip up a version of this casserole, and it would quickly become the centerpiece of our breakfast table.
Over the years, I’ve added my own twists to her classic recipe, making it even more flavorful and foolproof.
Why You’ll Love This
- Easy to Make: This casserole comes together effortlessly, making it perfect for busy mornings.
- Customizable: You can easily swap ingredients to suit your taste or dietary needs.
- Make-Ahead Friendly: Prep it the night before and bake fresh in the morning.
- Crowd-Pleaser: Everyone from kids to adults loves its rich, cheesy, and savory goodness.

Ingredients with Equipment
Ingredients:
- 1 lb (450 g) breakfast sausage, crumbled
- 1 package (30 oz) frozen hash browns, thawed
- 1 cup shredded cheddar cheese
- 1 cup shredded mozzarella cheese
- 8 large eggs
- 1 cup whole milk
- 1/2 cup sour cream
- 1 tsp garlic powder
- 1/2 tsp onion powder
- 1 tsp salt
- 1/2 tsp black pepper
- 1/4 cup green onions, chopped (optional for garnish)
Equipment:
- Large skillet
- Mixing bowls
- 9×13-inch baking dish
- Whisk
- Aluminum foil

Step-by-Step Instructions
- Preheat the Oven: Start by preheating your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
- Cook the Sausage: In a large skillet, cook the crumbled sausage over medium heat until browned. Drain excess fat and set aside.
- Mix the Eggs: In a large bowl, whisk together eggs, milk, sour cream, garlic powder, onion powder, salt, and black pepper until well combined.
- Assemble the Base: Spread the thawed hash browns evenly across the prepared baking dish. Sprinkle the cooked sausage over the top.
- Add the Cheese: Layer shredded cheddar and mozzarella cheese over the sausage and hash browns.
- Pour the Egg Mixture: Carefully pour the egg mixture over the ingredients in the baking dish, ensuring it spreads evenly.
- Bake: Cover the dish with aluminum foil and bake for 30 minutes. Remove the foil and bake for an additional 20-25 minutes, or until the casserole is set and golden on top.
Tips for Success
- Thaw Hash Browns Properly: Ensure the hash browns are fully thawed and patted dry to prevent excess moisture.
- Use Fresh Cheese: Grating your cheese ensures better melting and flavor compared to pre-shredded cheese.
- Season Generously: Don’t skimp on the spices; they elevate the overall taste.
- Let It Rest: Allow the casserole to cool for 5-10 minutes before slicing for clean servings.

Nutrition Facts (Per Serving):
- Calories: 320
- Protein: 18g
- Carbohydrates: 22g
- Fat: 18g
- Fiber: 2g
- Sugars: 2g
Prep Time:
15 minutes
Cook Time:
55 minutes
Total Time:
1 hour 10 minutes
Cuisines:
American
Servings:
8 servings
Estimated Cost:
$12-$15
Sausage Hash Brown Casserole
Ingredients
Ingredients
- 1 lb 450 g breakfast sausage, crumbled
- 1 package 30 oz frozen hash browns, thawed
- 1 cup shredded cheddar cheese
- 1 cup shredded mozzarella cheese
- 8 large eggs
- 1 cup whole milk
- ½ cup sour cream
- 1 tsp garlic powder
- ½ tsp onion powder
- 1 tsp salt
- ½ tsp black pepper
- ¼ cup green onions chopped (optional for garnish)
Instructions
Step-by-Step Instructions
- Preheat the Oven: Start by preheating your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
- Cook the Sausage: In a large skillet, cook the crumbled sausage over medium heat until browned. Drain excess fat and set aside.
- Mix the Eggs: In a large bowl, whisk together eggs, milk, sour cream, garlic powder, onion powder, salt, and black pepper until well combined.
- Assemble the Base: Spread the thawed hash browns evenly across the prepared baking dish. Sprinkle the cooked sausage over the top.
- Add the Cheese: Layer shredded cheddar and mozzarella cheese over the sausage and hash browns.
- Pour the Egg Mixture: Carefully pour the egg mixture over the ingredients in the baking dish, ensuring it spreads evenly.
- Bake: Cover the dish with aluminum foil and bake for 30 minutes. Remove the foil and bake for an additional 20-25 minutes, or until the casserole is set and golden on top.
Notes
- Thaw Hash Browns Properly: Ensure the hash browns are fully thawed and patted dry to prevent excess moisture.
- Use Fresh Cheese: Grating your cheese ensures better melting and flavor compared to pre-shredded cheese.
- Season Generously: Don’t skimp on the spices; they elevate the overall taste.
- Let It Rest: Allow the casserole to cool for 5-10 minutes before slicing for clean servings.
Common Questions
- Can I make this casserole ahead of time?
Absolutely! Assemble the casserole the night before, cover it tightly, and refrigerate. Bake it fresh in the morning, adding 5-10 extra minutes to the cook time. - Can I freeze this casserole?
Yes! Bake it first, let it cool, and then freeze in an airtight container for up to 2 months. Reheat in the oven at 350°F until warmed through. - What other meats can I use?
Feel free to swap the sausage with bacon, ham, or even a vegetarian meat substitute. - Can I add vegetables?
Definitely! Diced bell peppers, spinach, or mushrooms make great additions to this casserole.
This sausage hash brown breakfast casserole is a tried-and-true recipe guaranteed to become a staple in your winter menu.
Wishing you warm, hearty mornings filled with good food and great memories.
Enjoy!