Sausage Hash Brown Breakfast Casserole
A hearty and budget-friendly breakfast casserole perfect for brunch or quick weeknight dinners, combining savory sausage, gooey cheddar, and crisp hash browns.
I first made this sausage hash brown breakfast casserole on a rushed holiday morning and it instantly became our go-to for feeding a crowd. It’s the kind of recipe that delivers comfort, saves time, and plays well with leftovers — perfect for brunches, easy weeknight dinners, or when you need something hearty for a potluck. If you like hearty brunch dishes, try pairing it with a sweet centerpiece like a maple turkey bacon pancake mix breakfast casserole for a crowd-pleasing spread.
Why you’ll love this dish
This casserole hits a lot of useful marks: it’s budget-friendly, scales easily, and doesn’t demand fancy technique. The combination of savory sausage, gooey cheddar, and crisp-ish hash browns gives satisfying texture contrasts — the eggs bind everything into a sliceable, shareable dish that keeps happily in the fridge.
Reasons to make it include weekday breakfasts you can prep the night before, brunches where you want something warm without babysitting the stove, and holiday mornings when you’d rather spend time with guests than cook.
Preparing Sausage Hash Brown Breakfast Casserole
Before you start: brown the sausage, mix it with frozen hash browns and aromatics, whisk the eggs and milk, combine, then bake until set and golden. The whole process is straightforward, hands-on time is about 20–30 minutes, and baking time is roughly 45–55 minutes. Expect a firm, sliceable casserole with a lightly browned top.
Key Ingredients
- 1 lb sausage (bulk breakfast sausage or links removed from casings).
- 1 package (30 oz) frozen hash browns (shredded).
- 2 cups shredded cheddar cheese (sharp or mild, your choice).
- 1/2 cup chopped onion (yellow or white).
- 1/2 cup chopped bell pepper (any color).
- 12 large eggs.
- 1 cup milk (whole or 2% for best texture; lactose-free or dairy alternatives possible).
- Salt and pepper to taste.
Ingredient notes/substitutions:
- Swap turkey or chicken sausage for a leaner option.
- Use pepper jack or a mix of cheddar + mozzarella for different melting profiles.
- If your hash browns are very wet after partial thaw, squeeze excess moisture with a towel to avoid a soggy center.
Step-by-step instructions
- Preheat the oven to 350°F (175°C). Grease a 9×13-inch casserole dish.
- Heat a skillet over medium. Add the sausage and cook, breaking it up, until nicely browned and cooked through. Drain excess fat if you prefer.
- In a large bowl, toss the cooked sausage with the frozen hash browns, shredded cheddar, chopped onion, and bell pepper. Mix to distribute evenly.
- In a separate bowl, whisk the eggs with the milk, then season with salt and pepper. Whisk until smooth and slightly frothy.
- Pour the egg mixture over the hash brown mix. Stir gently until everything is coated and evenly combined.
- Transfer the mixture into the prepared casserole dish and spread into an even layer.
- Bake for 45–55 minutes, or until the eggs are set in the center and the top is golden brown. A knife inserted near the center should come out clean.
- Let the casserole rest for 5–10 minutes before slicing to firm up for cleaner portions.
Sausage Hash Brown Breakfast Casserole
- Prep
- 30 MIN
- Cook
- 55 MIN
- Total
- 1 HR 25 MIN
- Serves
- 8
01Ingredients
Main Ingredients
02Method
- Preparation
- Baking
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0 OF 8 DONE03Recipe notes
- 01Serve warm, sliced into squares. Pairs beautifully with a crisp green salad, fresh fruit, roasted tomatoes. Offer hot sauce, sour cream, chopped scallions on the side. For a holiday spread, serve alongside something sweet like coffee cake.
- 02Per serving: 21g net carbs, 29g protein, 34g fat, 522 calories. Calculated from the ingredient list.
04Nutrition
Per serving- Calories
- 522
- Protein
- 29G
- Net carbs
- 21G
- Fat
- 34G
- Fiber
- 2G
Net carbs are total carbs minus fiber. Numbers are estimates from the ingredients listed.
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Best ways to enjoy it
Serve warm, sliced into squares. It’s hearty on its own but pairs beautifully with lighter sides: a crisp green salad, fresh fruit, or roasted tomatoes. For brunch service, offer hot sauce, sour cream, or chopped scallions on the side. To round out a holiday spread, serve alongside something sweet — try a simple coffee cake or the brown sugar chai cake for a cozy contrast.
Storage and reheating tips
Refrigerate: Cool to room temperature and store covered in the fridge within two hours. Keeps 3–4 days.
Reheat: For a crisp top, reheat individual slices in a 350°F oven for 10–15 minutes. Microwave works for speed (1–2 minutes), but texture will be softer.
Freeze: You can freeze baked slices wrapped tightly in foil and placed in a freezer bag for up to 2 months. Thaw overnight in the fridge, then reheat. To freeze pre-baked (unbaked) casserole, assemble in a freezer-safe dish, wrap well, and thaw before baking; add 10–15 minutes to baking time.
Food safety note: egg-based casseroles should reach 160°F for safety. Always refrigerate leftovers promptly.
Creative twists
- Vegetarian: replace sausage with a mix of browned mushrooms, crumbled firm tofu, or a plant-based sausage substitute.
- Spicy: add diced jalapeño or swap part of the cheddar for pepper jack.
- Italian style: use Italian sausage, substitute mozzarella for some cheddar, and add a teaspoon of dried oregano or basil.
- Mini muffin version: portion the mixture into a greased muffin tin for single-serve breakfast bites; reduce baking to ~20–25 minutes.
- Hash brown crust: press half the hash browns into the bottom of the dish, bake 15 minutes, then add the sausage/egg mix on top for a defined crust.
Common questions
Can I assemble this the night before?
A: Yes. Prepare through step 5, cover the dish tightly, and refrigerate. Bake in the morning, adding 5–10 extra minutes to the bake time since it will be cold.
Do I need to thaw the hash browns?
A: No — you can use them frozen. If they’ve partially thawed and look wet, blot excess moisture so the casserole doesn’t become watery.
How can I make this lower in calories?
A: Use turkey sausage, reduce cheese to 1–1½ cups, and swap whole milk for a lower-fat milk or unsweetened almond milk. You can also bulk up with extra vegetables (spinach, zucchini) to stretch servings.
Is this safe to freeze before baking?
A: You can freeze an unbaked assembled casserole in a freezer-safe dish. Thaw overnight in the fridge, then bake as directed, adding 10–15 minutes to the bake time.
What size dish should I use?
A: A standard 9×13-inch casserole works best to ensure the casserole cooks evenly.
Conclusion
This sausage hash brown breakfast casserole is a reliable, no-fuss recipe for feeding a crowd or simplifying busy mornings. If you want a similar crowd-pleasing casserole with a different flavor profile, check out this classic Sausage Hash Brown Breakfast Casserole for comparison. Looking for more? Try my Crack Breakfast Casserole.
Breakfast
Breakfast
Breakfast
