This Sausage Hashbrown Casserole is the ultimate cheesy, meaty, golden-topped breakfast bake loaded with crispy hashbrowns, savory sausage, and a creamy egg custard that holds it all together — it’s the kind of dish that disappears fast!
THE BREAKFAST CASSEROLE YOUR WHOLE FAMILY WILL BEG FOR!
I make this Sausage Hashbrown Casserole more times than I can count — and honestly, I’m not even sorry about it. It’s one of those dishes that just works for absolutely every occasion. Holiday mornings, lazy Sunday brunches, meal prep for the week — this casserole has never let me down. My family starts asking for it the second the weather turns cool, and I am a happy camper every single time I pull it out of the oven.
What I love most is how well this fits into a busy week. I’ll throw it together on a Sunday night, pop it in the fridge, and bake it Monday morning while the kids are getting ready for school. It comes together so easily — we’re talking one pan, simple ingredients you probably already have on hand, and barely any hands-on time. For a nutritious, filling breakfast that keeps everyone going all morning, this is absolutely the recipe to have in your back pocket.
For a complete morning spread, I love serving this alongside some fresh fruit, a simple green salad if it’s more of a brunch situation, and a big pot of coffee. It’s honestly one of those budget friendly meals that feels way more impressive than the effort you put in. Boom — breakfast is served!
“I made this for Christmas morning and it was the biggest hit! Everyone kept going back for seconds and thirds. I prepped it the night before and just baked it in the morning — could not have been easier. This is absolutely a keeper of a recipe, thank you so much!
– Sandra”
Frequently Asked Questions
Can I make this casserole ahead of time?
Absolutely! This is one of the best make-ahead breakfast recipes around. Simply assemble the entire casserole the night before, cover it tightly with plastic wrap or foil, and store it in the refrigerator overnight. In the morning, pull it out while the oven preheats and bake as directed — you may need to add 5 to 10 extra minutes if it’s coming straight from the cold fridge.
Can I freeze Sausage Hashbrown Casserole?
Yes, of course! You can freeze this casserole either before or after baking. If freezing before baking, assemble it in a freezer-safe dish, wrap it well, and freeze for up to 2 months. Thaw overnight in the refrigerator before baking. If freezing after baking, cut it into individual portions, wrap each one, and reheat in the microwave or oven whenever you need a quick nutritious breakfast on a busy morning.
What kind of sausage should I use?
I use a standard breakfast pork sausage — the kind that comes in a roll — and it works perfectly every time. That said, you can absolutely swap it out for spicy sausage if your family likes a little kick, or use turkey sausage for a lighter option. Whatever you prefer totally works here!
Do I need to thaw the frozen hashbrowns first?
I highly recommend thawing them first! Frozen hashbrowns hold a lot of extra moisture, and if you add them straight from frozen, your casserole can turn out watery and the potatoes won’t get that nice tender texture throughout. Just leave them in the fridge overnight or spread them on a baking sheet at room temperature for about 30 minutes before assembling.
How do I store leftovers?
Store any leftovers in an airtight container in the refrigerator for up to 4 days. Reheat individual portions in the microwave for about 1 to 2 minutes, or cover the whole pan with foil and warm it in a 325°F oven for about 15 minutes. It reheats beautifully and honestly tastes just as good the next day!
Can I add vegetables to this casserole?
Absolutely — and I love doing it! Diced bell peppers, onions, mushrooms, or baby spinach are all great additions. Just sauté them with the sausage so they soften up before going into the casserole. It’s a great way to sneak extra nutrition into a family friendly breakfast that even picky eaters will love.
Can I use a different cheese?
Yes, of course! Sharp cheddar is my go-to because it melts beautifully and has that classic flavor everyone loves, but you could use Monterey Jack, Colby Jack, Pepper Jack, or even a Mexican blend — whatever you prefer. I’m not judging! Just make sure you’re using freshly shredded cheese if possible, since it melts much better than the pre-shredded bagged kind.
Ingredients Needed: (See Recipe Card Below for the Full Recipe)
- Breakfast Sausage — I use a 1-pound roll of pork breakfast sausage. Spicy, mild, or turkey sausage all work great here.
- Frozen Shredded Hashbrowns — Thaw these before using! They form the hearty, golden base of the whole casserole.
- Sharp Cheddar Cheese — Freshly shredded melts so much better. Reserve some for that gorgeous cheesy top layer.
- Eggs — These bind everything together and create that creamy, custardy texture throughout.
- Whole Milk — Adds richness to the egg mixture. You can use 2% milk if that’s what you have on hand.
- Sour Cream — This is my secret weapon! It makes the egg custard extra creamy and adds a subtle tang that is absolutely incredible.
- Cream of Mushroom Soup — Adds depth and a creamy binding element to the whole casserole. You can use cream of chicken if you prefer.
- Garlic Powder — A little goes a long way to season everything up nicely.
- Onion Powder — Adds a savory background flavor without any chopping required.
- Salt and Black Pepper — Season to taste throughout the process and keep tasting until it’s seasoned the way you like.
- Green Onions — Totally optional, but a sprinkle on top right before serving adds a fresh pop of color and flavor.
How to Make Sausage Hashbrown Casserole
Start by preheating your oven to 350°F and greasing a 9×13-inch baking dish with nonstick spray. While that’s warming up, brown your sausage in a large skillet over medium-high heat, breaking it up as it cooks. You want it fully cooked through with nice browned bits — that flavor is everything! Drain off any excess grease and set it aside to cool slightly.
In a large mixing bowl, whisk together the eggs, whole milk, sour cream, and cream of mushroom soup until everything is super smooth and well combined. Season it with garlic powder, onion powder, salt, and black pepper. I like to taste the mixture at this stage and adjust the seasoning — it should smell incredible already. Stir in half of the shredded cheddar cheese right into the egg mixture.
Now add the thawed, drained hashbrowns and the cooked sausage right into that egg mixture and stir everything together until it’s all evenly coated and combined. Pour the whole mixture into your prepared baking dish and spread it out into an even layer. It’s going to look like a lot — and that is a very good thing.
Sprinkle the remaining shredded cheddar cheese generously over the top. Cover the dish loosely with aluminum foil and bake at 350°F for 45 minutes. Then remove the foil and continue baking for another 15 to 20 minutes, until the top is golden brown, the cheese is bubbly, and the center is completely set. You can give the pan a gentle jiggle — if the middle doesn’t wiggle, you’re good to go!
Let the casserole rest for about 5 to 10 minutes before cutting into it. This helps everything firm up so you get those beautiful, clean slices. Top with sliced green onions if you’d like, and boom — breakfast is served!
Pro Tips
- Drain your hashbrowns well. After thawing, press the hashbrowns between paper towels or a clean kitchen towel to squeeze out as much moisture as possible. This is the key to a casserole that sets up perfectly instead of turning watery.
- Don’t skip the sour cream. It might seem like an unusual addition, but it makes the egg custard unbelievably creamy and rich. It’s one of those ingredients that takes this from good to a recipe you’ll keep on repeat forever.
- Freshly shred your cheese. Pre-shredded bagged cheese is coated in starches that prevent it from melting as smoothly. Taking two minutes to shred a block of cheddar yourself makes a noticeable difference in how creamy and gooey that top layer turns out.
- Cover for most of the bake time. Covering the casserole with foil for the first 45 minutes traps steam and helps the center cook through evenly without the top burning. Then removing the foil at the end gives you that gorgeous golden, bubbly cheese topping.
- Let it rest before slicing. I know it’s tempting to dig right in — trust me, I know — but letting the casserole sit for at least 5 to 10 minutes after it comes out of the oven helps it firm up and makes serving so much easier.
- Season in layers. Season the sausage while it cooks, season the egg mixture, and do a final taste before it goes in the oven. This is how you get a casserole that’s perfectly seasoned all the way through rather than bland in the middle.
What to Serve with Sausage Hashbrown Casserole
This casserole is pretty filling on its own, but if you’re feeding a crowd or just want to pull together a full brunch spread, here are some of my favorite things to serve alongside it!
- Fresh Fruit Salad — A bright, refreshing fruit salad balances out the richness of the casserole perfectly. This is personally my favorite pairing!
- Buttermilk Biscuits — Warm, fluffy biscuits on the side? Absolutely yes. Perfect for soaking up every last bit.
- Simple Green Salad — If you’re doing a brunch-style spread, a light salad adds a nutritious, fresh element to the table.
- Sliced Avocado — Creamy avocado with a pinch of salt alongside a slice of this casserole is honestly one of my favorite combinations.
- Orange Juice or Mimosas — Because no brunch spread is complete without something cold and citrusy to sip on!
- Yogurt and Granola Parfaits — A simple, nutritious option that rounds out the meal beautifully, especially if you’re feeding kids.
However you serve it, this is a breakfast table moment you and your family will look forward to every single time!
Sausage Hashbrown Casserole
Ingredients
Method
- Preheat your oven to 350°F. Spray a 9x13-inch baking dish generously with nonstick cooking spray and set aside.
- In a large skillet over medium-high heat, cook the sausage for 7 to 8 minutes, breaking it up as it cooks, until browned and cooked through. Drain off excess grease and set aside to cool slightly.
- In a large mixing bowl, whisk together the eggs, whole milk, sour cream, and cream of mushroom soup until completely smooth and well combined. Stir in the garlic powder, onion powder, salt, and black pepper.
- Add 1 1/2 cups of the shredded cheddar cheese to the egg mixture and stir to combine. Then add the thawed, drained hashbrowns and cooked sausage, and stir until everything is evenly mixed.
- Pour the mixture into the prepared baking dish and spread it into an even layer. Sprinkle the remaining 1/2 cup of shredded cheddar cheese evenly over the top.
- Cover the dish loosely with aluminum foil and bake at 350°F for 45 minutes. Remove the foil and bake for an additional 15 to 20 minutes, until the top is golden brown, the cheese is bubbly, and the center is fully set.
- Remove from the oven and let the casserole rest for 5 to 10 minutes before slicing. Garnish with sliced green onions if desired and serve warm.
