Breakfast Sausage Casserole is a classic comfort food that brings together everything you love about a hearty morning meal in one simple dish. This Breakfast Sausage Casserole with hash browns is rich, moist, and layered with buttery potatoes, savory sausage, fluffy eggs, and plenty of melted cheese. Whether you are planning a holiday brunch, feeding overnight guests, or preparing an easy make-ahead breakfast, this Breakfast Sausage Casserole delivers dependable results every time. It is one of the most reliable good breakfast casseroles because it can be assembled ahead, baked fresh, and enjoyed hot or reheated throughout the week.
Ingredients Breakdown
This egg casserole recipe with hash browns and sausage relies on simple, accessible ingredients that work together for balanced flavor and texture.
| Ingredient | Amount | Purpose |
|---|---|---|
| Butter | 1/2 cup | Adds richness and crisps potatoes |
| Frozen hash browns | 30 oz | Forms the hearty base |
| Breakfast sausage | 1 lb | Provides savory protein |
| Green bell pepper | 1/2 | Adds freshness |
| Red bell pepper | 1/2 | Adds sweetness |
| Onion | 1/2 small | Builds flavor |
| Monterey Jack cheese | 1 1/2 cups | Creamy melt |
| Sharp cheddar cheese | 1 1/2 cups | Bold flavor |
| Eggs | 8 large | Structure and richness |
| Half and half | 1 1/3 cups | Moist texture |
| Seasoned salt | 1 tsp | Balanced seasoning |
| Kosher salt | 1/2 tsp | Enhances flavor |
| Black pepper | 1/2 tsp | Mild heat |
| Dry mustard | 1/4 tsp | Optional depth |
Description
This easy breakfast sausage casserole is layered with buttery hash browns, savory sausage, fluffy eggs, and melted cheese. Perfect for overnight prep or last-minute brunch.
Ingredients
1/2 cup butter
30 oz frozen hash browns
1 lb breakfast sausage
1/2 green pepper, chopped
1/2 red pepper, chopped
1/2 small onion, diced
1 1/2 cups Monterey Jack cheese
1 1/2 cups sharp cheddar cheese
8 large eggs
1 1/3 cups half and half
1 tsp seasoned salt
1/2 tsp kosher salt
1/2 tsp black pepper
1/4 tsp dry mustard
Instructions
1. Preheat oven to 400°F.
2. Spread frozen hash browns in greased 9×13 dish.
3. Pour melted butter over potatoes and season.
4. Bake 30–35 minutes, then reduce oven to 350°F.
5. Cook sausage with peppers and onions until browned.
6. Layer sausage over potatoes and add cheese.
7. Whisk eggs, dairy, and seasonings.
8. Pour egg mixture evenly over casserole.
9. Bake 35–45 minutes until set.
10. Rest 5 minutes before serving.
Notes
Perfect for overnight prep.
Freezes well after baking.
Use quality sausage for best flavor.
Step-by-Step Instructions
Preheat the oven to 400 degrees Fahrenheit. Add the frozen hash browns directly to a greased 9×13 baking dish and spread evenly without thawing. Melt the butter and pour it over the potatoes, mixing well so everything is coated. Season lightly with salt and pepper. Bake for 30 to 35 minutes until the potatoes are mostly cooked and lightly golden, then remove from the oven and reduce the temperature to 350 degrees.
While the potatoes bake, cook the sausage. Chop the green pepper, red pepper, and onion into small pieces. Add the sausage and vegetables to a skillet over medium-high heat and cook for 5 to 7 minutes until the sausage is browned and the vegetables are soft. Drain excess grease if necessary.
Spread or stir the sausage mixture over the baked hash browns. Sprinkle both cheeses evenly across the top. In a large bowl, whisk together the eggs, half and half, seasoned salt, kosher salt, black pepper, and dry mustard until smooth. Pour the egg mixture evenly over the casserole.
Bake at 350 degrees for 35 to 45 minutes until the edges are bubbly and the center is set. Let rest for 5 minutes before serving.
Make-Ahead and Overnight Tips
This moist breakfast casserole is ideal for overnight preparation. Assemble everything except baking, cover tightly, and refrigerate up to 24 hours. Remove from the fridge 30 minutes before baking to ensure even cooking. This method makes it one of the best breakfast casserole recipes for holidays like Christmas morning.
Storage and Freezing
Store leftovers in an airtight container in the refrigerator for up to five days. For freezing, cut the baked casserole into portions, wrap tightly, and freeze for up to three months. Reheat in the microwave or oven until warmed through.
Conclusion
This Breakfast Sausage Casserole is a reliable, crowd-pleasing dish that belongs in every breakfast casserole recipes collection. With simple ingredients, flexible prep options, and rich flavor, it is perfect for busy mornings or special occasions.
Frequently Asked Questions
Can I make this breakfast sausage casserole overnight?
Yes, this recipe is perfect for overnight preparation and bakes beautifully the next morning.
What makes this casserole moist?
The combination of half and half, eggs, and butter ensures a tender, moist texture.
Can I skip the vegetables?
Absolutely, the recipe works well without peppers and onions.
Is this casserole freezer-friendly?
Yes, it freezes exceptionally well in individual portions.