Easy Cheesy Sausage Egg Bake

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Sausage Egg Bake is an easy breakfast casserole recipe with fluffy eggs, TONS of sausage, LOTS of cheese, and colorful veggies.

Bake right away or chill overnight for an easy make-ahead breakfast casserole for Christmas morning or busy weekdays.

piece of sausage egg bake on a white plate with casserole dish and green apples in background

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Why You'll Love This Recipe
Ingredients
Step-by-Step Instructions
What to Serve with Sausage Egg & Cheese Casserole
Storage & Reheating
Make Ahead
FAQs
Expert Tips
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Easy Cheesy Sausage Egg Bake
Storage & Reheating
Make Ahead

This sausage egg casserole is loaded with hearty flavors and all the breakfast essentials: sausage, eggs, and cheese with green onions and peppers for fresh flavor and pretty color.

This meat lover's breakfast is made without bread and without potatoes because there's so much sausage -- two full pounds!

You can bake it right away or make it ahead of time -- just assemble the overnight egg casserole, then roll out of bed the next morning and throw it in the oven.

This satisfying sausage egg and cheese breakfast casserole is special enough for your Christmas breakfast, easy enough to meal prep for busy mornings, and a fun breakfast for dinner recipe!

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Why You'll Love This Recipe

Super hearty cheesy egg breakfast casserole with TWO pounds of sausage

Perfect breakfast casserole for holiday mornings or a lazy Sunday morning

Easy recipe you can make the night before

Ingredients

Please refer to the recipe card for the full list of ingredients and exact quantities.

Eggs. You'll need a full dozen eggs.

Pork sausage. You can use regular pork sausage or breakfast sausage, which is usually seasoned with spices. If you like it spicy, use hot sausage.

Cheddar cheese. Two cups of cheese -- half goes into the filling and half gets melted on top. I use sharp cheddar cheese because I love the flavor. You can use mild cheddar or a different kind of cheese like Monterey Jack, pepper Jack, mozzarella cheese, Swiss, or a combination.

Sour cream. Sour cream whipped in with the eggs and milk makes the eggs super creamy.

Green onions. Green onions add fresh, mild onion flavor and pretty green color. You can also use red onion or shallots.

Red bell pepper. I love red peppers because they are the mildest of the bell peppers, but you can use green, yellow, or orange.

Dijon. A little bit of Dijon adds rich flavor to the egg bake.

Step-by-Step Instructions

1. Prep the pan and oven, if baking immediately.

Spray a 3-4 quart casserole dish with nonstick cooking spray. If baking immediately, preheat the oven to 350.

2. Brown the sausage.

Place the sausage in a large skillet, season it with salt and pepper and brown over medium-high heat until it is no longer pink. Drain off excess grease.

3. Make the egg mixture.

Whisk the eggs in a large bowl. Add the milk, sour cream, Dijon, salt, and black pepper, and whisk until combined.

4. Assemble the sausage egg bake.

Place the cooked sausage in the casserole dish. Add the diced red pepper, sliced green onions, and 1 cup of cheese.

sausage, onions, peppers, and cheese in casserole dish

Evenly pour egg mixture on top.

unbaked egg casserole with white casserole dish

5. If making ahead, cover and refrigerate.

Cover the baking dish with aluminum foil or plastic wrap and chill for up to 24 hours before baking. The next day, let it sit at room temperature for 30 minutes before baking.

6. Bake.

Bake for 40-45 minutes or until the center is just about set.

Add the remaining 1 cup of cheese in an even layer and bake for 5 more minutes or until the cheese is melted.

Let it cool for 10 minutes. Slice, serve, and enjoy!

sausage egg bake in a white caserole dish

What to Serve with Sausage Egg & Cheese Casserole

Hot sauce
Salsa
Pico de gallo
Fresh fruit
Hash browns
Pancakes
Waffles
French toast
Smoothie bowls
Yogurt
Biscuits
Crescent rolls

Storage & Reheating

Store leftovers in an airtight container in the refrigerator for 3-4 days.

Freeze leftovers in a ziptop freezer bags or freezer-safe containers for 2-3 months.

Reheat in the microwave until warmed through.

Make Ahead

Assemble the sausage breakfast casserole in the baking dish, cover, and refrigerate for up to 24 hours.

Before baking, let it sit at room temperature for 30 minutes. Bake as directed.

FAQs

Why is my sausage cheese egg bake rubbery?

Eggs can get tough and rubbery when they're overcooked. When you make this egg sausage casserole recipe, bake it until the center is just set. You can tell if it's done when a knife inserted in the center comes out clean.

Do you cover a sausage egg casserole in the oven?

No, there is no need to cover this easy egg casserole when you bake it.

How do I know if my egg casserole is done?

The internal temperature should read at least 160 degrees. You can also insert a knife into the center --- if it comes out clean, it's done.

spatula with one slice of egg bake with casserole dish of egg bake in background

Expert Tips

Whisk the eggs before adding the rest of the egg mixture ingredients. It can be difficult to tell if you've broken all the yolks once the sour cream and milk have been added.

Be careful not to overbake your sausage egg casserole or it can become tough. Bake until the center is just about set, then add the cheese.

If you're baking this the next day, let it sit at room temperature for about 30 minutes before baking.