This Sausage Egg & Cheese Breakfast Casserole is the ultimate comfort-food breakfast that brings everyone to the table. Loaded with savory sausage, fluffy eggs, melty cheese, and tender bread cubes soaked in a rich, creamy custard, this dish is hearty, satisfying, and incredibly easy to prepare. Whether you’re feeding a crowd or planning stress-free mornings, this baked breakfast classic delivers big flavor with minimal effort.
Perfect for holidays, brunch gatherings, or busy weekdays, this casserole can be prepped ahead of time and baked fresh when needed—making it a true lifesaver recipe.
Who Is This Recipe For?
This recipe is perfect for:
- Busy families who want a filling breakfast with minimal morning prep
- Brunch hosts looking for a crowd-pleasing main dish
- Meal preppers who love make-ahead breakfasts
- Beginner cooks who want a foolproof, oven-baked recipe
- Holiday mornings like Christmas, Easter, or Thanksgiving brunch
Why It’s Great
- Make-Ahead Friendly: Assemble the night before and bake in the morning
- One-Dish Wonder: Protein, dairy, and carbs all in one pan
- Customizable: Swap meats, cheeses, or veggies easily
- Comforting & Filling: Keeps everyone full for hours
- Great for Leftovers: Reheats beautifully
This casserole is creamy on the inside, lightly golden on top, and packed with classic breakfast flavors everyone loves.
Ingredients Overview
- Breakfast sausage (mild, hot, or sage)
- Onion and bell pepper
- Eggs
- Whole milk and heavy cream
- Dry mustard, paprika, salt, and pepper
- Day-old bread cubes
- Shredded cheddar and Monterey Jack cheese
- Optional Parmesan cheese for topping
Kitchen Equipment Needed
- 9×13-inch baking dish
- Large skillet
- Large mixing bowl
- Whisk
- Measuring cups and spoons
- Wooden spoon or spatula
- Aluminum foil
How to Make Sausage Egg & Cheese Breakfast Casserole
- Preheat the Oven
Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish. - Cook the Sausage and Vegetables
In a skillet over medium heat, cook sausage with onion and bell pepper until browned. Drain excess grease. - Prepare the Egg Mixture
In a large bowl, whisk eggs, milk, cream, dry mustard, salt, pepper, paprika, and parsley until smooth. - Assemble the Casserole
Spread bread cubes in the baking dish. Top with sausage mixture and shredded cheese. Pour egg mixture evenly over the top. - Bake
Cover with foil and bake for 30 minutes. Remove foil and bake another 15–20 minutes until set and lightly golden. - Rest and Serve
Let rest 10 minutes before slicing and serving.
Storage
- Refrigerator: Store leftovers in an airtight container for up to 4 days
- Freezer: Freeze baked and cooled portions for up to 2 months
- Reheating: Warm in the oven at 325°F or microwave individual portions until heated through
FAQ
Can I make this casserole ahead of time?
Yes! Assemble it completely, cover, and refrigerate overnight. Bake fresh in the morning.
Can I use a different meat?
Absolutely. Bacon, ham, turkey sausage, or even cooked ground beef work well.
What type of bread is best?
Day-old French, Italian, or sourdough bread absorbs the custard perfectly.
Can I make it without meat?
Yes—skip the sausage and add mushrooms, spinach, or zucchini instead.
How do I know when it’s done?
The center should be set and a knife inserted in the middle should come out clean.
Conclusion
This Sausage Egg & Cheese Breakfast Casserole is a timeless recipe that combines convenience, flavor, and comfort in every bite. Whether you’re planning a relaxed weekend brunch or preparing for a busy morning, this dish delivers reliable results and crowd-pleasing taste every time. Simple ingredients, easy steps, and rich, satisfying flavor make this casserole a must-have in your breakfast rotation.
