Bratwurst and Cheddar Breakfast Casserole

This Bratwurst and Cheddar Breakfast Casserole made with sausage, eggs, cheese, and veggies is a hearty choice for your Sunday morning breakfast or holiday brunch.

Top view of Bratwurst and Cheddar Breakfast Casserole in a casserole dish on a rustic wood background.

If there's one breakfast food that's the perfect choice for lazy weekends, busy holidays, or even breakfast for dinner, it's the humble breakfast casserole. Breakfast casseroles are super versatile and deserve all the accolades. I love them for so many reasons.

First, they feed a crowd. One pan and you can feed at least six people. Second, you can customize you mix-ins to suit your tastes. Don't like onions, don't use them! Keep the basic egg-milk-cheese ratio and you can mix in or omit the other stuff. Third, you can make this breakfast casserole ahead of time. Yup, prep it the night before and bake it the next day.

There are so many reasons to love a breakfast casserole, but the most important reason you should try this particular one is that it is so darn good. I hope you love it as much as I do!

Side view closeup of Bratwurst and Cheddar Breakfast Casserole in a caseerole dish.

HOW TO MAKE BRATWURST AND CHEDDAR BREAKFAST CASSEROLE

Bratwurst and Cheddar Casserole is an easy-to-make, hearty casserole. First, combine eggs, milk, shredded cheese, and dry mustard in a large bowl. Stir in bread cubes. Then, in a skillet cook sliced bratwurst, mushrooms, onions, and bell peppers in olive oil. Mix the sausage mixture into the egg mixture and pour into a greased baking dish. Bake until the eggs are cooked through. See below for a detailed ingredients list and instructions.

CAN I USE A DIFFERENT KIND OF SAUSAGE?

You can find fully cooked bratwurst in the refrigerator section of your grocery store near the hot dogs. If you can't find fully cooked bratwurst, good substitutes would be fully cooked Italian sausage links, fully cooked kielbasa links, or fully cooked smoked sausage links.

Collage of images showing Bratwurst and Cheddar Breakfast Casserole being made.

CAN I MAKE THIS CASSEROLE IN ADVANCE?

Yes, you can make this casserole in advance. Prepare the casserole as directed, then cover and refrigerate before the baking step. The next day, remove the casserole from the refrigerator and let sit at room temperature for 20 minutes before baking as directed.

HOW LONG DOES AN EGG CASSEROLE LAST IN THE REFRIGERATOR?

Store leftovers of this egg casserole covered in the refrigerator for 3-4 days. Leftovers can be reheated in a microwave.

Top view closeup of Bratwurst and Cheddar Breakfast Casserole in a casserole dish on a rustic wood background.

MORE BREAKFAST CASSEROLE RECIPES

Looking for more yummy breakfast casserole option? Check out these fan favorites from the archives:


Top view of Bratwurst and Cheddar Breakfast Casserole in a casserole dish on a rustic wood background.


If you try this recipe, I'd love to know what you think in the comments below. Enjoy!

6 servings

Bratwurst and Cheddar Breakfast Casserole


This Bratwurst and Cheddar Breakfast Casserole made with sausage, eggs, cheese, and veggies is a hearty choice for your Sunday morning breakfast or holiday brunch.

  prep time: cook time: total time: 60 MIN 

INGREDIENTS


9 eggs
2 cups milk
2 cup sharp white cheddar cheese, shredded
1 teaspoon dry mustard
3 cups thick sliced bread, cut into 1-inch cubes
1 tablespoon olive oil
5 links fully cooked bratwurst sausage, sliced into 1/4-inch slices
1/2 cup sliced mushrooms
1/4 cup diced bell pepper
1/4 cup diced onion
salt and pepper


INSTRUCTIONS


1. Preheat your oven to 350 degrees F. Grease a 2.5-quart baking dish with olive oil spray.

2. In a large bowl, beat the eggs, then mix in the milk, shredded cheese, and dry mustard. Add the bread cubes and gently stir them into the egg mixture.

3. In a large skillet, brown the sausage in olive oil over medium-high heat for three minutes, stirring occasionally. Add the mushrooms, peppers, and onions to the skillet and season with salt and pepper. Cook for an additional 3 minutes, stirring occasionally.

4. Stir the sausage mixture into the egg mixture. Pour into the prepared baking dish.

5. Bake in the preheated oven for 50 minutes. Let sit for 10 minutes before serving.

NOTES


Author: Becky


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