Use whatever you have on hand to make it.

kick off the freezer and see half a loaf of sliced bread.

I won’t have to reach for the boxed mac and cheese.

Side shot of finished breakfast casserole in a glass baking pan

Simply Recipes / Elise Bauer

Simply Recipes / Elise Bauer

What’s the Base of This Breakfast Casserole?

Have you ever made abreakfast casserole?

We have asausage breakfast casseroleon the site that is one of my favorites.

Overhead shot of the finished breakfast casserole in a 9x13 baking dish

Simply Recipes / Elise Bauer

Italian sausage is my all-time favorite, but bacon or ham will do, too.

Or make it veggie with zucchini, broccoli, basil, and onions.

The first time I served this to the kids they insisted that it had to go on the website.

Slice of easy breakfast casserole on a plate

Simply Recipes / Elise Bauer

What to Serve With a Breakfast Casserole

Breakfast casserole is truly a meal in itself!

If you omit the veggies in the casserole, consider serving some sauteed vegetables on the side.

Or if leaving out the meat, some crispy bacon or cooked sausages.

Mix the eggs and cheese for the breakfast casserole

Elise Bauer

Make Ahead Instructions

Breakfast casseroles are almost designed to be made ahead.

Easy Breakfast Casserole

The ingredient proportions are estimates.

The more eggs, the firmer and less likely to deflate the casserole will be.

mix the bread cubes into the cheese and egg mix for the egg casserole

Elise Bauer

Don’t have day-old bread?

Put slices of fresh bread into a 200F oven for 10 minutes.

Mix in the milk and cheese.

Add the add-in ingredients to the bread and egg mixture for the breakfast casserole recipe, like mushrooms, bacon, or broccoli

Elise Bauer

Add salt and pepper to taste (if using Italian sausage, you won’t need either).

Just whisk in 2 tablespoons of milk for every beaten egg you add.

Butter a 9x13-inch casserole dish.

Mix all the ingredients for the egg bake together in the bowl

Elise Bauer

Pour the mixture into the casserole dish.

Remove from oven and let cool for 10 minutes before serving.

Did you love this recipe?

Transfer the egg casserole mixture to a 9x13 baking pan

Elise Bauer

Let us know with a rating and review!

Bake the egg casserole until the eggs are set and the top is slightly browned

Elise Bauer