I’ve been making this sausage and egg casserole for years whenever I need an easy crowd-pleaser that travels well. It’s a simple layered bake of browned breakfast sausage, eggs whisked with milk, cubes of bread (optional), and a blanket of melty cheese. It’s the kind of recipe you pull out for leisurely weekend brunches, busy holiday mornings, or a no-fuss weeknight dinner that still feels homey.
Why you’ll love this dish
This casserole hits so many marks: savory, protein-forward, customizable, and forgiving if you need to scale it up. It’s fast to assemble, bakes in about half an hour, and keeps well — perfect for feeding a family or prepping breakfasts for the week. Use sweet sausage for kid-friendly flavor or spicy for more kick. Add veggies to stretch servings and pack in nutrition without changing the method.
“We served this to a crowd and everyone went back for seconds — comforting, cheesy, and easy to make ahead.” — a regular at my Sunday brunch table
If you enjoy egg-and-sausage combinations, you might also like these simple breakfast roll-ups for a quick handheld option: sausage egg breakfast roll-ups.
Step-by-step overview
Quick snapshot of the process so you know what to expect:
- Brown 1 pound of breakfast sausage and drain excess fat.
- (Optional) Sauté 1–2 cups of chopped vegetables and layer them over the sausage.
- Scatter cubed bread over the meat if using.
- Whisk 6 large eggs with 1 cup milk, salt, and pepper; pour over the layers.
- Top with 1–1½ cups shredded cheese and bake at 350°F (175°C) until set and golden, about 25–30 minutes.
What you’ll need
- 1 pound breakfast sausage (sweet or spicy)
- 6 large eggs
- 1 cup milk (whole or 2%)
- 1 to 1½ cups shredded cheese (cheddar, Monterey Jack, or a blend)
- 4–6 slices bread, cubed (optional — day-old bread absorbs custard best)
- 1–2 cups chopped vegetables (optional — spinach, bell pepper, mushrooms)
- ½ teaspoon salt
- ¼ teaspoon black pepper
- Butter or oil for greasing the baking dish
Notes and substitutions:
- Swap turkey sausage or cooked ground beef for a leaner version. For vegetarian, use crumbled firm tofu or a plant-based sausage substitute and sautéed mushrooms for extra umami.
- For a richer custard, use half-and-half in place of milk.
- Try pepper jack for a spicy twist or Swiss for a milder, nuttier profile.
Step-by-step instructions
- Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter or oil.
- Heat a skillet over medium. Crumble in the sausage and brown, stirring to break up lumps. Cook until no pink remains.
- Drain excess fat in the skillet or on paper towels. Spread the cooked sausage evenly in the prepared dish.
- If using vegetables, add them to the hot skillet and sauté briefly until just softened. Spoon them over the sausage.
- Scatter the cubed bread across the top if using, making an even layer.
- In a medium bowl, whisk the eggs, milk, salt, and pepper until the mixture is smooth and slightly frothy.
- Pour the egg mixture over the layers in the baking dish. Press the bread lightly so it soaks up the custard.
- Sprinkle the shredded cheese over the top in an even layer.
- Bake for 25–30 minutes. The casserole is done when the eggs are set in the center and the cheese is melted and golden.
- Let the casserole rest for 5 minutes before slicing and serving.
Best ways to enjoy it
This casserole is very versatile at the table. Cut into squares and serve with:
- A crisp green salad or mixed greens with a light vinaigrette
- Fresh fruit or a fruit salad for a brunch balance
- Toasted English muffins or warm tortillas for handheld leftovers
- A spoonful of salsa, hot sauce, or avocado slices for brightness
For another baked-egg side idea that complements this casserole, try pairing small plates like baked feta eggs for extra variety and texture.
Storage and reheating tips
Refrigeration: Cool the casserole to room temperature, cover tightly, and store in the refrigerator for up to 3–4 days. Divide into portions for easier reheating.
Freezing: Wrap tightly in foil or use an airtight container. Freeze for up to 2 months. Thaw in the refrigerator overnight before reheating.
Reheating: Microwave single portions for 1–2 minutes until hot. To keep the top crisp, reheat slices in a 350°F oven for 10–15 minutes covered loosely with foil, or finish uncovered to re-crisp the cheese.
Food safety: Eggs should be cooked until firm. Aim for an internal temperature of 160°F (71°C) if using an instant-read thermometer, especially for large gatherings or if serving to older adults, pregnant people, or anyone with a compromised immune system.
Pro chef tips
- Use day-old bread so cubes absorb the egg mixture without turning gummy. Stale bread acts like a sponge.
- Drain most of the sausage fat — too much grease makes the custard oily and can prevent the top from browning properly.
- If your vegetables release a lot of liquid (mushrooms or zucchini), sauté until most moisture evaporates before layering. This prevents a watery casserole.
- Let the casserole rest 5 minutes after baking; the eggs finish setting and slicing is cleaner.
- Want a fluffier texture? Separate the eggs, whip the whites to soft peaks, fold back in for extra lift.
Recipe variations
- Southwestern: Use beef chorizo, pepper jack, diced green chiles, and top with chopped cilantro. Serve with salsa and lime.
- Veg-forward: Replace sausage with seasoned lentils or crumbled tempeh and bulk with sautéed spinach and roasted red peppers.
- Low-carb: Omit the bread and add more vegetables (cauliflower florets or riced cauliflower) and extra cheese.
- Make-ahead strata: Assemble the night before, cover, refrigerate, then bake in the morning. You may need 5–10 extra minutes in the oven.
Common questions
How long does it take to make from start to finish?
Plan about 10–15 minutes to brown sausage and prep, plus 25–30 minutes baking time. Total active time: ~20 minutes. Total elapsed time: ~45 minutes.
Can I assemble this the night before?
Yes. Assemble, cover, and refrigerate overnight. Bring it straight from fridge to oven — add 5–10 minutes to the bake time if still very cold.
Can I freeze the casserole and reheat later?
Yes. Freeze fully cooled squares in an airtight container for up to 2 months. Thaw overnight in the fridge and reheat in the oven at 350°F until warmed through.
What if I don’t have bread — will it still work?
Absolutely. Bread is optional. Without it you get a denser, more custard-like bake. For texture, add extra vegetables or use cubed hashbrowns.
Is there a safe internal temperature for egg casseroles?
Cook until eggs are set and the center is firm. For added safety, an internal temperature of 160°F (71°C) is recommended.
How can I make this vegetarian?
Use a plant-based sausage or firm crumbled tofu seasoned with smoked paprika, soy sauce, and a little maple syrup. Add sautéed vegetables like mushrooms and bell peppers for depth.
Sausage and Egg Casserole
Ingredients
Method
-
Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter or oil.
-
Heat a skillet over medium. Crumble in the sausage and brown, stirring to break up lumps until no pink remains.
-
Drain excess fat in the skillet or on paper towels. Spread the cooked sausage evenly in the prepared dish.
-
If using vegetables, add them to the hot skillet and sauté briefly until just softened. Spoon them over the sausage.
-
Scatter the cubed bread across the top if using, making an even layer.
-
In a medium bowl, whisk the eggs, milk, salt, and pepper until the mixture is smooth and slightly frothy.
-
Pour the egg mixture over the layers in the baking dish. Press the bread lightly so it soaks up the custard.
-
Sprinkle the shredded cheese over the top in an even layer.
-
Bake for 25–30 minutes. The casserole is done when the eggs are set in the center and the cheese is melted and golden.
-
Let the casserole rest for 5 minutes before slicing and serving.
Nutrition
Notes
Tried this recipe?
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Sausage and Egg Casserole
Ingredients
Method
- Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter or oil.
- Heat a skillet over medium. Crumble in the sausage and brown, stirring to break up lumps until no pink remains.
- Drain excess fat in the skillet or on paper towels. Spread the cooked sausage evenly in the prepared dish.
- If using vegetables, add them to the hot skillet and sauté briefly until just softened. Spoon them over the sausage.
- Scatter the cubed bread across the top if using, making an even layer.
- In a medium bowl, whisk the eggs, milk, salt, and pepper until the mixture is smooth and slightly frothy.
- Pour the egg mixture over the layers in the baking dish. Press the bread lightly so it soaks up the custard.
- Sprinkle the shredded cheese over the top in an even layer.
- Bake for 25–30 minutes. The casserole is done when the eggs are set in the center and the cheese is melted and golden.
- Let the casserole rest for 5 minutes before slicing and serving.
