Breakfast Casserole with Sausage and Hash Browns is a hearty and satisfying dish that brings together crispy, golden hash browns, savory sausage, and melted cheese all baked into one delicious meal. It’s the perfect blend of textures and flavors that makes mornings easier and tastier.
I love making this casserole when I have a bit of extra time on the weekend because it’s so easy to prepare ahead and then just pop in the oven. The way the sausage browns up and mixes with the soft potatoes always gets everyone asking for seconds. Plus, it’s a great way to feed a crowd without a lot of fuss.
My favorite way to serve this is straight from the casserole dish, with a side of fresh fruit or some warm toast. It feels like a special treat but takes almost no effort. This casserole has become a go-to for holidays or lazy Sunday mornings when I want something filling, comforting, and simple to enjoy with family or friends.
Key Ingredients & Substitutions
Frozen hash browns: These give the casserole a crispy, tender texture. If you don’t have frozen, you can use fresh shredded potatoes—just squeeze out extra moisture before using.
Breakfast sausage: This adds a nice savory kick. You can swap for turkey sausage or a veggie sausage if you want a lighter or vegetarian option.
Cheddar cheese: Sharp cheddar melts beautifully and gives bold flavor. If you prefer, Monterey Jack or mozzarella work well too.
Eggs and milk: The eggs bind everything together, while milk keeps the casserole creamy. Use any milk you have—dairy or plant-based milk like oat or almond (just avoid flavored ones!)
How Do You Get the Casserole to Cook Evenly Without Becoming Soggy?
Ensuring your casserole stays firm and doesn’t turn watery is key. Here are some tips:
- Drain the sausage fat: After cooking, remove excess grease to prevent sogginess.
- Thaw and drain hash browns: If using frozen, let them thaw and pat dry any water before layering.
- Mix eggs and milk well: This helps the custard set evenly throughout.
- Bake uncovered: Allows moisture to escape so the top crisps nicely.
- Rest before serving: Letting it cool for 5-10 minutes lets the casserole set firmly, making it easier to slice.
Equipment You’ll Need
- 9×13 inch casserole dish – perfect size for even baking and easy serving.
- Large skillet – great for browning the sausage and sautéing onions.
- Mixing bowl – to whisk eggs, milk, and seasonings smoothly.
- Whisk or fork – helps blend the eggs and milk without lumps.
- Spatula or wooden spoon – for stirring cooked sausage and onions.
Flavor Variations & Add-Ins
- Swap breakfast sausage for bacon or diced ham to change up the meat flavor.
- Add chopped bell peppers or mushrooms for extra veggies and color.
- Use pepper jack or mozzarella cheese for a milder, creamy texture.
- Mix in chopped fresh herbs like chives or thyme for a fresh taste.
Breakfast Casserole Sausage Hash Brown
Ingredients You’ll Need:
For The Casserole:
- 1 (30 oz) package frozen hash browns, thawed
- 1 lb ground breakfast sausage
- 1 medium onion, finely chopped
- 2 cups shredded cheddar cheese
- 8 large eggs
- 2 cups milk
- 1 teaspoon salt
- ½ teaspoon black pepper
- ½ teaspoon garlic powder (optional)
- Fresh parsley, chopped (for garnish)
How Much Time Will You Need?
This breakfast casserole takes about 15 minutes to prepare and around 45-55 minutes to bake. After baking, allow it to rest for 5-10 minutes before serving to let everything set perfectly.
Step-by-Step Instructions:
1. Prepare the Oven and Dish:
Preheat your oven to 350°F (175°C). Lightly grease a 9×13 inch casserole dish so your casserole doesn’t stick.
2. Cook the Sausage and Onions:
In a large skillet over medium heat, cook the ground breakfast sausage along with the finely chopped onion. Stir and cook until the sausage is browned and the onion is tender. Drain any excess fat and set aside.
3. Layer the Casserole:
Spread the thawed hash browns evenly at the bottom of the casserole dish. Sprinkle half of the shredded cheddar cheese over the hash browns. Evenly spread the cooked sausage and onion mixture on top, then add the rest of the cheese.
4. Mix and Add the Egg Mixture:
In a large bowl, whisk together the eggs, milk, salt, black pepper, and garlic powder until smooth. Pour this mixture evenly over the layered ingredients in the casserole dish.
5. Bake and Serve:
Bake the casserole uncovered in your preheated oven for 45 to 55 minutes. You’ll know it’s ready when the center is set and the top is golden brown. Let the casserole rest for 5 to 10 minutes before slicing. Garnish with freshly chopped parsley for a nice touch, then serve warm and enjoy your delicious breakfast!
Can I Use Fresh Potatoes Instead of Frozen Hash Browns?
Yes! You can shred fresh potatoes, but be sure to squeeze out excess moisture before using to prevent the casserole from becoming soggy.
Can I Prepare This Casserole the Night Before?
Absolutely! Assemble the casserole, cover it tightly, and refrigerate overnight. Bake it the next morning, adding a few extra minutes to the baking time if needed.
How Should 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.
What Are Some Good Substitutions for Breakfast Sausage?
You can use cooked bacon, ham, or even a vegetarian sausage alternative depending on your preference and dietary needs.
