Name: Breakfast Sausage Hash Brown Casserole with Veggies and Cheddar Recipe
Prep time: 25 min
Cook time: 45 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 1 pound ground breakfast sausage or pork sausage; 12 large eggs; 1/2 cup half-and-half; 2 cups (8 ounces) shredded sharp cheddar cheese; 1 small yellow onion, chopped; 4 cloves garlic, minced; 2 medium bell peppers (1 red, 1 yellow), chopped; 8 ounces baby bella mushrooms, sliced; 1 large handful fresh baby spinach; 1 pound shredded or diced hash browns, thawed; 1 tablespoon olive oil; 1 tablespoon Old Bay seasoning; 1/4 teaspoon freshly-ground black pepper; Avocado slices; Chopped green onions

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If you are on the hunt for a cozy, hearty breakfast that packs a punch of flavor and satisfies every craving, then this Breakfast Sausage Hash Brown Casserole with Veggies and Cheddar Recipe is exactly what you need. Combining crispy golden hash browns, savory breakfast sausage, vibrant veggies, and melty sharp cheddar cheese, this casserole is a celebration of textures and tastes all baked into one glorious dish. It’s a perfect recipe to gather friends or family around the table and start the day with something truly special and comforting.

Ingredients You'll Need

A top-down view of various cooking ingredients placed neatly on a white marbled surface. On the left, there is a white bowl filled with shredded white cheese, below it a brown bowl holds seven brown eggs. Above the eggs, a white bowl contains chopped red and yellow bell peppers. Next to it, a small rustic bowl holds minced garlic and a small yellow bowl with olive oil. In the center, a white measuring cup has cream, and a small brown bowl contains shredded yellow cheese. On the right, a white bowl is full of fresh green spinach leaves with some loose leaves beside it. Nearby, a white plate holds whole and sliced brown mushrooms with a knife featuring a yellow handle. Below the spinach on the right, a white bowl holds ground meat. Two white spoons with spices rest near the bowls, along with a few scattered black peppercorns. Photo taken with an iphone --ar 4:5 --v 7

Each ingredient here plays a crucial role, whether it’s building layers of flavor, adding texture, or injecting pleasing color into this casserole. They’re simple, straightforward, and essential to bring this dish alive.

1 pound ground breakfast sausage or pork sausage: The heart of the dish, delivering savory richness that complements the veggies perfectly.

1 tablespoon olive oil: Helps crisp the hash browns to golden perfection and sauté the veggies without sticking.
1 small yellow onion, chopped: Adds natural sweetness and depth when sautéed.
4 cloves garlic, minced: Gives a warm, aromatic boost that enhances all other flavors.

2 medium bell peppers, chopped (one red, one yellow): Brightens the casserole with fresh, crisp texture and beautiful color contrasts.
8 ounces baby bella mushrooms, sliced: Provides earthiness and a tender bite that balances the sausage.
1 large handful fresh baby spinach: Adds a pop of green and subtle earthy flavor while keeping things fresh.

1 pound shredded or diced hash browns, thawed: The crispy base that makes the casserole hearty and deliciously textured.
1 tablespoon Old Bay seasoning: A secret weapon that lifts the flavor profile with a unique blend of spices.
12 large eggs: Binds everything together while adding protein and fluffiness.

¼ teaspoon freshly-ground black pepper: Adds just the right touch of heat and aroma.
½ cup half-and-half: Brings creaminess and richness to the egg mixture.
2 cups (8 ounces) shredded sharp cheddar cheese: Melts throughout and on top to create irresistible gooeyness and flavor.

Optional garnishes (avocado slices, chopped green onions): For that fresh, creamy, and mildly pungent finish that brightens each bite.

How to Make Breakfast Sausage Hash Brown Casserole with Veggies and Cheddar Recipe

Step 1: Brown the Hash Browns

Start by heating olive oil in a large nonstick skillet over medium-high heat. Spread the thawed hash browns evenly and let them cook undisturbed for 5 to 7 minutes. This slow browning creates a gorgeous golden crust that’s the backbone of the casserole’s texture. Flip them carefully in sections and cook for another 4 to 5 minutes, adding more oil if needed. Once crispy, transfer these to a greased 9x13-inch baking dish.

Step 2: Cook the Sausage

Using the same skillet, brown the breakfast sausage over medium-high heat, breaking it into crumbles. This step releases those savory juices and builds a fantastic meaty flavor base. Once cooked through, use a slotted spoon to transfer the sausage to the baking dish, leaving behind about two tablespoons of grease for the next step. Be careful to drain any excess grease if there’s too much so the casserole doesn’t get greasy.

Step 3: Sauté the Veggies

Into the skillet with the reserved sausage grease, toss in the chopped onion, bell peppers, and mushrooms. Cook them for 7 to10 minutes until softened and lightly browned—that caramelization adds incredible depth. Stir in minced garlic and sauté for another 2 minutes for fragrant warmth. Then add the baby spinach and sprinkle on Old Bay seasoning, tossing everything until the spinach just wilts. Transfer this colorful veggie mixture to your baking dish and gently fold it into the hash browns and sausage.

Step 4: Mix the Eggs and Cheese

Whisk together the eggs, freshly ground black pepper, and half-and-half in a large bowl until smooth and airy. Stir in 1½ cups of shredded sharp cheddar cheese to infuse the egg mixture with creamy, tangy goodness. This amalgamation will soak into all the layers as it bakes, holding the casserole lovingly together.

Step 5: Assemble and Bake

Pour the cheesy egg mixture evenly over the meat and veggie layers, gently stirring to combine without disturbing the crispy hash browns too much. Sprinkle the remaining ½ cup cheddar on top along with a few extra twists of black pepper for a beautifully melted, golden crust. Bake uncovered at 350°F (175°C) for 45 to 55 minutes until the center is firm and no longer jiggly. If the top begins to brown too fast, loosely cover with foil to prevent burning.

Step 6: Rest Before Serving

Once out of the oven, allow the Breakfast Sausage Hash Brown Casserole with Veggies and Cheddar Recipe to cool for at least 10 minutes. This resting period helps everything set perfectly, making it easier to slice and enjoy. Garnish with sliced green onions and avocado slices for a fresh, creamy contrast, and get ready for compliments all around.

How to Serve Breakfast Sausage Hash Brown Casserole with Veggies and Cheddar Recipe

A square piece of a layered egg casserole sits on a white plate with two slices of green avocado on the side. The casserole has multiple visible layers including a golden brown, slightly crispy top with melted cheese, browned bits, and small pieces of mushrooms and herbs. The inside shows a creamy yellow layer with red specks and green herbs, giving it a textured look. A white plastic fork rests on the plate beside the casserole. The plate is on a white marbled surface with a yellow cloth partially visible. The corner of a white baking dish filled with the same casserole is in the upper left corner. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Simple garnishes elevate this casserole to the next level. Fresh avocado slices add a luscious, buttery texture that complements the sharp cheddar and sausage perfectly. Chopped green onions lend a bit of mild crunch and a pop of color, brightening every bite without overpowering the flavors.

Side Dishes

This casserole shines on its own but pairing it with light sides can create a balanced meal. Consider a crisp mixed green salad with a tangy vinaigrette or some fresh fruit salad to contrast the richness. A warm, crusty bread or soft dinner rolls also make great companions for soaking up any extra cheesy goodness.

Creative Ways to Present

For a fun twist, serve individual portions in ramekins or muffin tins for easy grab-and-go breakfasts or brunches. You can also top each slice with a dollop of sour cream or a drizzle of hot sauce to suit different taste preferences. Presenting this casserole family-style on a colorful platter encourages sharing and makes for an inviting, festive table centerpiece.

Make Ahead and Storage

Storing Leftovers

This Breakfast Sausage Hash Brown Casserole with Veggies and Cheddar Recipe reheats beautifully. Store any leftovers in an airtight container in the refrigerator for up to 3 days. The flavors actually develop over time, making for a delicious next-day breakfast or snack.

Freezing

If you want to prepare well in advance, this casserole can be frozen either before baking or after it has cooled post-bake. Wrap it tightly with foil and plastic wrap or use a freezer-safe container. Freeze for up to 2 months. When ready, thaw overnight in the fridge before reheating.

Reheating

To reheat, pop individual slices in the microwave for a quick option or warm the entire casserole in a 350°F oven until heated through and bubbly, about 20-25 minutes. Cover with foil if needed to prevent the top from over-browning. Reheating brings back that fresh-baked charm every time.

FAQs

Can I use different types of sausage in this casserole?

Absolutely! While breakfast sausage adds wonderful flavor, you can substitute with Italian sausage, chorizo, or even ground turkey sausage for a leaner version. Just adjust the seasoning accordingly to keep the balance of flavors.

Is it possible to make this casserole vegetarian?

Yes! Simply omit the sausage and add extra mushrooms, bell peppers, and perhaps some cooked lentils or a plant-based sausage alternative. The flavor will be just as satisfying with the right seasoning.

Can I prepare this dish the night before?

Definitely. Assemble the casserole completely and refrigerate overnight. Bake it the next morning, adding a few extra minutes to the cook time since it will start cold from the fridge.

What if I don’t have Old Bay seasoning?

No worries! You can substitute with a pinch of smoked paprika, garlic powder, onion powder, and a little cayenne pepper to mimic its spice profile.

How do I ensure the hash browns stay crispy?

Browning them in olive oil without stirring for those initial minutes is key. Also, avoid overcrowding the skillet, and if possible, use thawed hash browns rather than freshly frozen for better texture.

Final Thoughts

This Breakfast Sausage Hash Brown Casserole with Veggies and Cheddar Recipe is a guaranteed crowd-pleaser, full of comforting, bold, and fresh flavors that come together in perfect harmony. Whether for a lazy weekend brunch or a special holiday breakfast, you’ll find it hard to resist making it again and again. So grab your skillet, get the ingredients ready, and enjoy the satisfying warmth of this delightful casserole with those you love.

Ingredients You'll Need