Sausage Hash Brown Breakfast Casserole brings eggs, potatoes, sausage, and cheddar together in one hearty bake. The potatoes turn tender while the eggs hold everything in soft, sliceable portions. A golden cheese top adds plenty of flavor without much extra work. It is a handy choice for weekend brunch or breakfasts you can reheat during the week.
Why I Love This Recipe
A breakfast bake makes serving a group feel manageable. Brown the sausage, stir together a few basics, and let the oven finish the job. There is no need to cook eggs one plate at a time.
- Simple ingredients: Frozen shredded potatoes save peeling and grating.
- A hearty breakfast: Eggs, sausage, and potatoes share the same dish.
- Easy to portion: A short rest helps each serving hold together.
- Make-ahead friendly: Assemble it the night before or save baked portions for later.
What You’ll Need
- Servings: 12
- Prep Time: 20 minutes, with potatoes already thawed
- Cook Time: 55–65 minutes, including browning the sausage
- Rest Time: 10 minutes
- Total Time: 1 hour 25 minutes to 1 hour 35 minutes
- Oven Temperature: 350°F (175°C)
- Baking Dish: 9×13-inch rectangular ceramic dish
Ingredients
- 1 tablespoon unsalted butter, softened, for the dish
- 1 pound bulk pork breakfast sausage
- 24 ounces frozen shredded hash brown potatoes, thawed in the refrigerator and patted very dry
- 10 large eggs
- 1 cup whole milk
- 2 1/2 cups (10 ounces) freshly shredded sharp cheddar cheese, divided
- 1/2 teaspoon fine salt
- 1/2 teaspoon ground pepper
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 2 tablespoons thinly sliced green onion
Use plain shredded hash browns, rather than patties, potato cubes, or a seasoned potato mix. Breakfast sausage brings its own salt, so avoid adding more until you taste a cooked serving.
Tools You Need
- White 9×13-inch rectangular ceramic baking dish with integrated end handles
- Large skillet
- Large mixing bowl and whisk
- Measuring cups and spoons
- Clean kitchen towel
- Wide serving spatula
- Instant-read food thermometer
- Foil, if needed to protect the top
How to Make Sausage Hash Brown Breakfast Casserole
Have the potatoes thawed and dried before you begin.
Step 1: Prepare the Potatoes and Dish
Heat the oven to 350°F (175°C) and position a rack in the middle.
Grease a 9×13-inch rectangular ceramic baking dish with 1 tablespoon softened butter.
Pat 24 ounces thawed shredded hash brown potatoes very dry with a clean towel. Break up any clumps; extra water can keep the middle from setting.
Step 2: Brown the Sausage
Place 1 pound bulk pork breakfast sausage in a large skillet over medium heat.
Break it into small crumbles and cook for 8–10 minutes, until browned and cooked through to 160°F (71°C).
Drain the excess fat and let the sausage cool slightly while you prepare the eggs.
Step 3: Whisk the Egg Mixture
Whisk 10 large eggs, 1 cup whole milk, 1/2 teaspoon fine salt, 1/2 teaspoon ground pepper, 1/2 teaspoon garlic powder, and 1/2 teaspoon onion powder in a large bowl.
Keep whisking until the yolks and whites are fully blended, with no long streaks of white.
Step 4: Assemble the Casserole
Combine the 24 ounces dried, thawed shredded hash browns, all the cooked sausage from 1 pound raw pork sausage, and 1 cup (4 ounces) shredded sharp cheddar in the greased dish.
Spread the mixture evenly without packing it down hard.
Pour all the egg mixture from Step 3 over the potatoes and sausage, letting it run into the gaps.
Scatter the remaining 1 1/2 cups (6 ounces) shredded sharp cheddar evenly across nearly the entire top in a thin layer.
Step 5: Bake and Add the Green Onion
Bake uncovered for 45–55 minutes, until the top is golden and the center is set rather than wet or sloshy.
Check the center with a food thermometer; this meat-and-egg casserole should reach 165°F (74°C). If the cheese browns before the middle is ready, tent loosely with foil and keep baking.
As soon as the casserole comes out with its cheese fully melted, sprinkle 2 tablespoons thinly sliced green onion over the top.
Step 6: Rest, Slice, and Serve
Let the casserole rest for 10 minutes so the eggs settle and the portions hold together.
Cut into 12 servings and lift them out with a wide spatula, keeping the cheese and green onion on each piece.
Serve warm. Fresh fruit or sliced tomatoes are easy optional sides for brunch.
Why This Recipe Works (Quick Science)
Egg proteins firm up as they heat, making a gentle binder around the potatoes and sausage. Milk loosens the eggs so the casserole stays tender. The potatoes keep their fine strands, but they soften inside the custard rather than forming a crisp hash brown crust.
Draining the sausage and drying the thawed potatoes keep extra grease and water out of that custard. Cheese inside adds richness, while the thin top layer melts into a golden finish. Resting before cutting gives the bake time to settle.
Common Mistakes to Avoid
- Using wet potatoes: Pat thawed hash browns dry so water does not collect in the dish.
- Adding raw sausage: Brown and drain it first for better flavor and an evenly cooked bake.
- Trusting the top alone: Melted cheese does not mean the eggs in the middle are done. Check the center temperature.
- Packing the mixture tightly: Spread it gently so the eggs can reach between the potato strands.
- Cutting right away: Give the casserole its full rest to avoid ragged, wet-looking portions.
Pro Tips
Freshly shredded cheddar melts smoothly. Spread the topping across the dish instead of piling it in the middle.
Start checking near the early end of the bake time. Dish material, oven accuracy, and the temperature of the ingredients can change how long the center takes to set.
For a spicy version, choose hot pork breakfast sausage. Keep the same weight and cook it fully before assembly.
Make-Ahead Tips
Assemble through Step 4, cover, and refrigerate promptly for up to 24 hours. Keep the green onion separate for after baking.
Uncover and bake in a preheated oven, following your baking dish maker’s guidance for moving a chilled dish into heat. A cold casserole may need an extra 10–20 minutes. Check for a set center and 165°F (74°C), rather than relying on the clock alone.
Leftovers and Storage
Divide leftovers into shallow containers and refrigerate within 2 hours, or within 1 hour if the room is above 90°F (32°C). Keep at 40°F (4°C) or colder and eat within 3–4 days.
Reheat a covered portion in the microwave in short bursts until the center reaches 165°F (74°C). For several portions, cover with foil and reheat in a 325°F (165°C) oven until heated through.
Freeze cooled individual portions in airtight wrapping for up to 2–3 months. Thaw overnight in the refrigerator before reheating. The potatoes may soften a little after freezing.
What to Serve With Sausage Hash Brown Breakfast Casserole
This bake already includes protein and potatoes. Fresh fruit adds something cool and juicy, while sliced tomatoes keep the meal savory. For a larger brunch, set out toast or a simple green salad alongside it.
Macros Information
Estimated per serving, based on 12 equal portions and excluding optional sides:
- Calories: 310 kcal
- Protein: 19 g
- Carbohydrates: 12 g
- Fat: 21 g
- Saturated Fat: 9 g
- Fiber: 1 g
- Sugar: 2 g
- Sodium: 610 mg
These values are estimates and vary with the sausage, cheese, and potato brands used.
Frequently Asked Questions (FAQ)
Q: Do I have to thaw the hash browns?
A: Yes, for this version. Thaw them in the refrigerator and pat them dry so the eggs bake evenly and do not turn watery.
Q: Will the potatoes have a crispy bottom?
A: Expect tender potatoes inside an egg bake. This method does not make a separate crisp hash brown crust.
Q: Can I use diced hash browns?
A: Shredded potatoes give this recipe its texture. Diced potatoes cook differently, so use plain shredded hash browns for the stated timing.
Q: Can I use turkey breakfast sausage?
A: Yes. Use 1 pound and cook it to 165°F (74°C) before adding it. The finished bake may taste a little leaner.
Q: Can I change the cheese?
A: Colby Jack works well in the same amount. Sharp cheddar gives a stronger cheese flavor and a golden top.
Q: Why is the middle still loose?
A: It may need more time, especially if the ingredients were cold. Tent the top if needed and keep baking until the middle is set and reaches 165°F (74°C).
Q: Can I make it without milk?
A: Use an equal amount of unsweetened, unflavored dairy-free milk if needed. The texture and richness may change. The cheddar still contains dairy.
Q: Can I halve the recipe?
A: Yes. Halve every ingredient and use a greased 8×8-inch dish. Begin checking at 35 minutes, then cook until the center reaches 165°F (74°C).
Q: Is this gluten-free?
A: The basic ingredients can be gluten-free, but check the sausage, hash browns, and seasonings for added ingredients and cross-contact warnings.
Final Thoughts
Sausage Hash Brown Breakfast Casserole is a warm, filling way to bring a whole breakfast to the table. Dry potatoes, drained sausage, and a short rest help it bake up tender and easy to serve. Leave a comment with your favorite brunch pairing or the cheese you chose. Happy cooking!