Breakfast Casserole For A Crowd

The savory combination of sausage, eggs, cheese, bread cubes and milk makes a delicious Breakfast Casserole for a crowd.

Generous bits of sausage in a slice of egg casserole with cheese on a white plate with a fork in the background.

Recipe For Breakfast Casserole For A Crowd

Several classic flavors bake together in our Breakfast Casserole to make a simple and enjoyable meal that always gets compliments.

Sure we enjoy Cinnamon Rolls With Heavy Cream and Pancake Tacos for breakfast, but it is always nice to have an option that is packed with protein.

We made this Breakfast Casserole for a Crowd for Easter breakfast at church after the sunrise service. Serve with Fruit Salad for a Crowd, Crisco Biscuits and jam with coffee for an easy and delicious buffet.

This brunch recipe is inspired by our regular sized Sausage, Egg and Cheese Casserole.

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Fork in a delicious of breakfast casserole made with sausage, eggs, cheese, bread cubes and milk on a white plate.

The key to converting it to a much bigger batch is having two 13″ x 18″ high-sided sheet cake pans and a set of commercial sized mixing bowls.

Ingredients Needed:

  • Sausage – We like Bob Evans sausage or Jimmy Dean regular, mild sausage for crowds. We try to avoid zesty or hot sausage for big breakfast parties or brunch.
  • Eggs – We like to crack and scramble our own and enjoy some quality time with friends in the process. If necessary note that 20 eggs is 4 cups of liquid.
  • Cheddar Cheese – I prefer sharp cheddar, but mild works fine too.
  • Bread – Chop into small cubes and allow to lightly dry out on the counter before mixing in.
  • Milk – 1% or 2% milk is our preference.
  • Green Onions – Make a great garnish, but need to be sprinkled on top just before serving and more than once I’ll have them sliced and forget to add to the casserole.
Ingredients to make a breakfast casserole for a crowd are 40 eggs, 4 pounds of sausage, a loaf of bread, shredded cheddar cheese and a half gallon of milk on a white counter top.

What To Do With Leftovers

One of the biggest challenges when cooking for a crowd is not having any idea how much food to prepare. This big batch of breakfast casserole recipe reheats really well, so it’s easy to error on the side of caution and make extra.

The leftovers maintain quality well! Freeze leftovers in individual sized portions for quick breakfast options throughout the month.

Defrost first for best results. Wrap in a damp paper towel to reheat quickly and enjoy. 

Steps That Can Be Done Ahead of Time

Browning and draining the sausage can be done up to 3 days ahead of baking. This is the most time consuming step.

Meat masher stirring sausage in a deep non-stick skillet.

We like to crack and scramble the eggs. Store 20 scrambled eggs in an air tight container in the refrigerator. 

Keeping the exact amount of eggs separate while cracking is easiest as a large container can be hard to divide evenly.

Two plastic containers with nearly a dozen scrambled eggs in each on a white counter top.

Make Ahead Casserole

The entire sausage, egg and cheese breakfast casserole can be mixed up, covered tightly and refrigerated for up to 24 hours before baking.

Before mixing up ensure that you have enough room in your refrigerator to store one or two pans in a level spot.

Step By Step Instructions 

In an extra large mixing bowl whisk eggs. Even if you crack and scramble eggs a day or two ahead of time use a fork and run through one more time to make sure every yolk is beaten. 

Add milk and salt and stir well.

16 quart mixing bowl with lots of cracked and scrambled eggs and milk on a wooden counter top.

Then add cheese and slightly dried bread cubes.

Shredded cheddar cheese poured over top of a large bowl with ingredients to make a big batch of breakfast casserole.

Stir again.

Spatula in an extra large silver bowl with scrambled eggs, milk bread cubes, and cheddar cheese.

Finally add cooked sausage. Use a sturdy long handled spoon to mix everything together. 

Cooked and crumbled sausage poured into a bowl of eggs, milk and cheese to make an egg casserole for a crowd.

Generously coat a 13” x 18” pan with nonstick cooking spray. Take extra care to get the sides and the corners of the pan with spray.

Preheat oven to 350°F. Bake for 45 to 60 minutes until the center is topped and the casserole is cooked through.

Recipe Tips

  • Using two Nordic Ware prism textured aluminum high-sided baking pans is key to making a double batch of this recipe as disposable aluminum pans don’t stack, store and travel nearly as well.
  • Going to a commercial food store like GFS, Sam’s Club or Costco and using liquid eggs may have save time and hassle.
  • This is a perfect casserole to make if you have chickens producing lots of eggs. Share at a family meal along with our Big Batch of Brownies to help decrease your supply.
Extra large commercial pan to make a breakfast casserole for a large crowd of 20 people on a white napkin on a wooden table.

Breakfast Casserole for 40 People

This is a great recipe to make for a celebration because the number of pieces to be cut from each pan can be decided ahead of time. You may not know how many guests to expect, but you can know how many pieces of casserole you have to serve.

The original recipe makes 20 pieces, so two 13 x 18″ pans are needed to make 40 pieces of casserole.

Two pans will fit in a typical home oven and take about an hour to bake. This makes the equivalent of 4 – 9 x 13″ pans of this breakfast casserole with eggs. 4 typical sized pans won’t fit in an oven at once, so this can create more limitations.

Spatula lifting a square piece of golden brown make ahead breakfast casserole out of an extra large pan.

More Popular Recipes For Crowds and Celebrations

Having delicious meat as the main dish like Ham in a Roaster, Turkey in a Roaster Oven, or Brisket in a Roaster is a great way to start planning the party.

Then serve with Mac and Cheese for a Crowd, Corn is a Roaster Oven, or a simple Big Batch of Coleslaw.

Finish the meal with an assortment of cookies, Cherry Cobbler for a Crowd or a Large Batch of Banana Pudding.

Close up piece of casserole made with savory sausage, egg and cheese on a plate with a fork resting in the background.

Breakfast Casserole For A Crowd

Servings 20 pieces
Jennifer @ Plowing Through Life
The savory combination of sausage, eggs, cheese, bread cubes and milk makes a delicious Breakfast Casserole for a crowd.
Prep Time 20 minutes
Cook Time 50 minutes
Total Time 1 hour 10 minutes


  • 20 large eggs
  • 4 cups milk
  • 2 teaspoons kosher salt
  • 2 cups cheddar cheese shredded
  • 4 slices bread slightly dried
  • 2 pounds sausage


  • Brown and drain the sausage.
    2 pounds sausage
  • In an extra large commercial sized mixing bowl crack and scramble the eggs.
    20 large eggs
  • Stir milk and salt into the eggs.
    4 cups milk, 2 teaspoons kosher salt
  • Then cut slices of bread into small cubes and stir in.
    4 slices bread
  • Add cheese and sausage; stir well.
    2 cups cheddar cheese
  • Pour into a generously greased 13 x 18" pan and bake in an oven preheated to 130℉ for 45 to 60 minutes. Serve warm and enjoy!


Doubling this recipe and using two 13 x 18″ pans will fit in most refrigerators if you choose to mix up the casserole ahead of time and in most ovens to bake.


Calories: 300kcalCarbohydrates: 6gProtein: 18gFat: 22gSaturated Fat: 9gPolyunsaturated Fat: 3gMonounsaturated Fat: 8gTrans Fat: 0.1gCholesterol: 236mgSodium: 711mgPotassium: 271mgFiber: 0.2gSugar: 3gVitamin A: 496IUVitamin C: 0.3mgCalcium: 179mgIron: 2mg

Nutritional Disclaimer

“Plowing Through Life” is not a dietitian or nutrition professional. Any nutritional information shared is an estimate and can vary greatly depending on specific products are used. If calorie count and other nutritional values are important to you, we recommend running the ingredients through an online nutritional calculator of your choice.

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