Breakfast Casseroles Sausage Hash Brown is a hearty, satisfying dish that brings together crispy hash browns, savory sausage, and melted cheese all baked into a warm, golden casserole. It’s the kind of breakfast that feels like a special treat but is actually really simple to make ahead of time. The combination of crispy edges and soft, cheesy middle is what makes this casserole stand out.
I love making this casserole on weekend mornings when the whole family is around. It’s so easy to throw together the night before, and then pop it in the oven while we wake up slowly with coffee. The sausage adds just the right amount of spice and flavor, and the hash browns give it a nice crunch that everyone enjoys. I always find that it’s a crowd-pleaser, especially when served fresh and hot.
One of my favorite ways to serve this casserole is with a side of fresh fruit or a simple green salad—it helps balance the richness and keeps things light. I like to add a little extra cheese on top near the end of baking for that bubbly, golden finish. It’s perfect for sharing at brunch or when you want a no-fuss breakfast that fills you up and feels like a little morning celebration.
Key Ingredients & Substitutions
Hash Browns: Frozen shredded hash browns are handy and give great texture. If you prefer, you can use fresh shredded potatoes—just squeeze out extra moisture to avoid sogginess.
Breakfast Sausage: Mild or spicy sausage works depending on your taste. You can swap for turkey sausage for a leaner option without losing flavor.
Cheddar Cheese: Sharp cheddar adds a nice tang and melts well. Other good substitutes include Colby Jack, Monterey Jack, or a mix of your favorite cheeses to add extra creaminess.
Eggs & Milk: These bind everything together for a creamy texture. Use whole eggs for richness or a mix of eggs and egg whites to lighten the dish. Dairy-free milk works fine if needed.
How Can I Make Sure the Casserole Bakes Evenly and Isn’t Soggy?
Getting the right bake is key to a successful casserole. Here are some tips:
- Pre-cook the sausage well to release excess fat, then drain it. This keeps the casserole from being greasy.
- Use thawed (not frozen) hash browns and spread them in an even layer for consistent cooking.
- Whisk eggs and milk until fully combined for an even custard that sets nicely.
- Bake uncovered on a middle rack to allow moisture to escape and the top to brown.
- Let the casserole cool for 5-10 minutes after baking—it helps it set and makes slicing easier.
Following these steps will help your breakfast casserole come out with crisp edges and a creamy center every time.
Equipment You’ll Need
- 9×13-inch baking dish – perfect size for even cooking and easy serving.
- Large skillet – great for browning sausage and sautéing onions in one pan.
- Mixing bowl – for whisking eggs and milk smoothly together.
- Whisk – helps blend the egg mixture without lumps.
- Spatula or wooden spoon – to spread layers evenly and scramble sausage.
Flavor Variations & Add-Ins
- Swap sausage for cooked bacon or ham for a different meaty flavor that pairs well with potatoes.
- Add diced bell peppers or mushrooms to the onion for extra color and a mild crunch.
- Try pepper jack cheese for a little spicy kick instead of cheddar.
- Include chopped spinach or kale for a boost of green and vitamins without overpowering the dish.
Breakfast Casserole with Sausage and Hash Browns
Ingredients You’ll Need:
Main Ingredients:
- 1 package (about 30 oz) frozen shredded hash browns, thawed
- 1 lb breakfast sausage (mild or spicy, as preferred)
- 1 cup diced onion
- 2 cups shredded cheddar cheese
- 6 large eggs
- 1 cup milk
- ½ tsp salt
- ½ tsp black pepper
- ½ tsp garlic powder (optional)
- ½ tsp dried thyme or parsley (optional, for garnish)
How Much Time Will You Need?
This casserole will take about 15 minutes to prepare and 40-45 minutes to bake. If you prep it the night before, add a few extra minutes in the morning to bake and enjoy a fresh, hearty breakfast!
Step-by-Step Instructions:
1. Prepare Your Oven and Pan:
Start by preheating your oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish so the casserole won’t stick and will cook evenly.
2. Cook Sausage and Onions:
In a skillet over medium heat, cook the breakfast sausage. Break it into small pieces as it browns. Once fully cooked, drain any extra grease on paper towels. If you like, use the same pan to sauté the diced onions for 3-5 minutes until translucent, adding extra flavor.
3. Assemble the Casserole Layers:
Evenly spread your thawed hash browns at the bottom of your baking dish. Sprinkle the cooked sausage over the hash browns, then add the sautéed onions if you prepared them. Next, sprinkle 1 ½ cups of the shredded cheddar cheese evenly over everything.
4. Mix and Pour the Egg Mixture:
In a large bowl, whisk together the eggs, milk, salt, pepper, and optional garlic powder until the mixture is smooth. Pour this egg mixture evenly over the assembled layers in your casserole dish. Then, sprinkle the remaining ½ cup of cheddar cheese on top.
5. Bake and Serve:
Bake the casserole uncovered in your preheated oven for 40-45 minutes. You’ll know it’s done when the eggs are fully set and the top is golden brown. Let it cool for a few minutes before slicing. Garnish with fresh or dried parsley or thyme if you like, and serve warm. It pairs wonderfully with fresh fruit or toast.
Can I Use Fresh Potatoes Instead of Frozen Hash Browns?
Yes! If using fresh potatoes, shred them and squeeze out as much moisture as possible before layering to avoid a soggy casserole. Par-cooking them lightly in a skillet can help, too.
Can I Prepare This Casserole the Night Before?
Absolutely! Assemble everything in the baking dish, cover it tightly with foil or plastic wrap, and refrigerate overnight. Bake it the next morning, adding a few extra minutes to the baking time if baking straight from the fridge.
How Do I Store Leftovers?
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in the oven or microwave until warmed through.
Can I Substitute the Sausage for Another Protein?
Yes, cooked bacon, ham, or turkey sausage can be used as alternatives. Just make sure the meat is fully cooked before adding it to the casserole.
