Hashbrown Breakfast Casserole (2024)

March 7, 2024 by Beth Pierce 44 Comments

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This loaded Hashbrown Breakfast Casserole Recipe is made with frozen hash brown potatoes, pork sausage, sweet onion, red bell pepper, eggs, and plenty of cheddar cheese. Make this fit for a crowd, savory casserole ahead of time, and be ready for your brunch or breakfast guests.

Hashbrown Breakfast Casserole Recipe with Eggs and Sausage

Start your day right with this easy and tasty hashbrown breakfast casserole recipe. Made with crispy potatoes, savory sausage, and gooey cheese, this dish is sure to be a crowd-pleaser. Get ready to impress your guests with this make-ahead, easily customizable breakfast casserole. It features all your favorites baked with plenty of cheddar and hash brown potatoes in every bite. This easily freezable casserole is perfect for Christmas morning or those busy weekends with out-of-town guests. If you like this make-ahead casserole, try tater tot breakfast casserole, French toast casserole, chile relleno casserole, and biscuits and gravy casserole.

Hashbrown Breakfast Casserole Ingredients

Frozen shredded hashbrowns – thawed
Ground pork sausage – like Jimmy Dean’s All-Natural
Vegetables – onions, red bell pepper, and green onions (scallions)
Dairy – butter, milk, and cheddar cheese
Eggs
Seasonings – dried marjoram, dried thyme, seasoned salt, and black pepper

How to make Hashbrown Breakfast Casserole

Start by letting the frozen hash browns thaw. This will take about 1 hour, so go ahead and take them out of the freezer before starting this recipe. Then, place them in a greased 9×13-inch baking dish sprayed with nonstick cooking spray and let them sit for a bit.

Now start browning the pork sausage in a large pan over medium heat. When it is about halfway browned, add the onions and red bell pepper, cooking until the sausage is browned and the onions are soft. Then, remove it from the heat and let it cool.

Meanwhile, melt 1/2 cup butter. Pour the melted butter over the hash brown potatoes, stirring to coat. Then top with half the shredded cheddar and spoon the cooled sausage vegetable mixture over the potatoes. Now, whisk the eggs, milk, marjoram, thyme, seasoned salt, and black pepper in a large bowl. Pour the egg mixture into the casserole and top with the remaining cheese and half of the green onions. Bake for about 45 minutes or until no longer wiggly in the middle. Then top with the remaining green onions. Let sit for 10-15 minutes before slicing. Garnishwith green onions, thyme leaves, or chopped parsley.

Recipe Tips

Frozen hash browns take about 1 hour to thaw, so plan accordingly.
You can use shredded or diced hash browns. Shredded potatoes work just a bit better because the cheese and eggs seem to melt between the layers of the potatoes.
Any colored pepper will work for this recipe – red, orange, yellow, or green. I prefer red because of the sweetness it lends to the dish.
Use pork, chicken, or turkey sausage as long as it breaks up and browns.
Try adding diced smoked ham or chopped crispy bacon.
Experiment with cheeses like Colby Jack, Monterey Jack, Gouda, Muenster, Provolone, Mozzarella, or Pepper Jack.
Let the casserole cool for a few minutes before slicing.
Leftovers can be stored in an airtight container in the fridge for up to 3 days. They can also be reheated in the microwave at reduced power.

How to Prepare in Advance

Prepare the casserole up to a day in advance, but do not bake. Cover tightly with plastic wrap and place on a flat-level surface in the refrigerator. Remove the casserole from the fridge 40 minutes before baking to come to room temperature. Then, remove the plastic wrap and bake according to the recipe instructions. The sausage vegetable mixture can be prepared up to 2 days in advance, cooled, and stored in an airtight container in the refrigerator.

How to freeze Hashbrown Breakfast Casserole

Prepare the casserole per the instructions, but do not bake. Then, cover it with several layers of plastic wrap and place it in the freezer on a flat surface. Freeze for up to 2 months. Defrost in the refrigerator overnight or for at least 12 hours. Remove from the fridge 40 minutes before baking to come to room temperature. Bake according to recipe instructions.

More Breakfast Recipes

Applesauce Muffins
Shakshuka
Biscuits and Gravy Casserole
Spinach Quiche
Asparagus Breakfast Caserole
Sweet Potato Hash

Hash Brown Breakfast Casserole

A super easy make-ahead and freezer-friendly Hashbrown Breakfast Casserole that is totally customizable to suit your taste with different breakfast meats like sausage, bacon, or ham, different vegetables, and a variety of cheeses.

5 from 19 votes

Print Pin Rate

Course: Breakfast

Cuisine: American

Prep Time: 20 minutes minutes

Cook Time: 45 minutes minutes

Servings: 12 servings

Calories: 428kcal

Author: Beth Pierce

Ingredients

30 ounces shredded hash brown potatoes thawed
1 lb ground pork sausage I love Jimmy Deans All Natural
1 medium onion finely diced
1 red bell pepper diced
½ cup butter
10 eggs
1 cup milk
1/2 teaspoon dried marjoram
½ teaspoon dried thyme
½ teaspoon seasoned salt
½ teaspoon fresh ground black pepper
3 cups shredded sharp cheddar cheese
3 green onions thinly sliced divided

Instructions

Preheat oven to 350 degrees. Spray a 9×13 casserole dish with nonstick baking spray.
Place the thawed hash browns in the bottom of the casserole dish.
Brown the pork sausage in a large skillet over medium heat. When it is about halfway browned, add the onions and red bell pepper, cooking until the sausage is browned and the onions are soft. Remove from the heat and let it cool.
Melt 1/2 cup butter and pour over the hash brown potatoes stirring to coat. Top with half the shredded cheddar. Spoon the cooled sausage vegetable mixture over the potatoes.
Beat the eggs, milk, marjoram, thyme, seasoned salt, and black pepper in a large bowl. Pour it into the casserole and top with the remaining cheese and half of the green onions.
Bake for 45-50 minutes or until set and no longer wiggly in the middle. Sprinkle with remaining green onions. Let sit for 10-15 minutes before slicing.

Notes

Frozen hash browns take about 1 hour to thaw, so plan accordingly.
You can use shredded or diced hash browns. I think the shredded works just a little bit better because the cheese and eggs seem to melt down between the layers of the shredded potatoes.
Any colored pepper will work for this recipe – red, orange, yellow, or green. I prefer the red because of the sweetness it lends to the dish.
Use pork, chicken, or turkey sausage as long as it breaks up and browns.
Try adding diced smoked ham or chopped crispy bacon.
Experiment with different cheeses like Colby Jack, Monterey Jack, Gouda, Muenster, Provolone, Mozzarella, or Pepper Jack.
Let the casserole cool for a few minutes before slicing.
Store leftovers in an airtight container in the fridge for up to 3 days. Reheat in the microwave at reduced power.

Nutrition

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More Recipes and Cooking

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Nutrition Disclaimer: All nutritional information shared on this site is an approximation. I am not a certified nutritionist and any nutritional information shared on this site should be used as a general guideline.

Reader Interactions

Comments

Jenny
December 25, 2023 at 11:49 am

I made this for Christmas Eve brunch. Used sausage, cheddar cheese and Monterrey jack because that’s what I had. Red bell pepper, half of a large one. Will use more next time. No onion as per a family member’s request. Then I forgot to put the green onion on top. I cut back on the hash browns because my pan was filling up. Didn’t really need to do that. This is a great recipe that I will make again. I ate some this morning with some Cholula hot sauce.
Reply
- Beth Pierce
  December 27, 2023 at 9:17 pm
  See Also
  25 Best Breakfast Casserole Recipes Make This Easy Breakfast Casserole the Night Before for a No-Stress Brunch Ultimate Breakfast Casserole - Downshiftology Breakfast Casserole Recipe (Easy!) - Wholesome Yum
  Thanks, Jenny! So happy that you liked the casserole!
  Reply
Bernadette
May 29, 2023 at 10:48 am

You can substitute O’Brien potatoes for the hash browns to save time and prep work. Onions and peppers are already in it.
Reply
Judy
April 09, 2023 at 2:48 pm

I will be making this one again. This time, for Easter, I added some sliced asparagus to the middle layer. I even made some quick hollandaise too make the dish extra special. The top layer of sausage and cheese got slightly overcooked so next time I’ll lightly cover the top with foil for a bit.
Reply
- Beth Pierce
  April 09, 2023 at 3:27 pm
  Thanks for the tips, Judy! Happy Easter!
  Reply
Kimberly Vestal
December 29, 2022 at 9:20 am
This can also be made in muffin tins. Spray muffin cups with cooking spray. Then place a layer of hash brown potatoes, cheese, then egg mixture. Bake accordingly. These are great for breakfast on the run. You can also place them on a biscuit with sausage, ham, bacon, etc.
Reply
- Beth Pierce
  January 04, 2023 at 1:08 pm
  Thanks for the tips, Kimberly!
  Reply
Jasmine Martin
December 21, 2022 at 10:11 pm
This looks so tasty. I absolutely love eating breakfast casseroles and I am going to have to make this for my family soon.
Reply
Elizabeth Williams
December 21, 2022 at 2:46 pm

This looks very tasty, filling and a wholesome meal to start the day. I’ve never thought of a breakfast casserole before but going to give this a try as an alternative to traditional breakfast options.
Reply
Luna S
December 20, 2022 at 4:53 pm
My step-dad makes one similar to this and ooh it is so good! I need to try and make this on my own so I know how to make it too.
Reply
Tammy
December 20, 2022 at 11:22 am
Oooh this was absolutely delicious and comforting! So easy to make, too…yum!
Reply
Lisa at Following the Rivera
December 20, 2022 at 10:40 am

We just love this hearty casserole. Hash browns are so good and we just love casserole with them in there.
Reply
Melanie E
December 20, 2022 at 10:35 am

That’s such a great breakfast recipe. It’s handy that it freezes too.
Reply
Melsisa Cuhsing
December 20, 2022 at 9:43 am

This is my kind of breakfast! It looks so good and I have already pinned it to make on Christmas Eve or Christmas morning! Thank you!
Reply
Yeah Lifestyle
December 20, 2022 at 5:13 am

My kids love hash browns, so I thought I would give this a try. It was a big hit and made a nice change and I would make it again.
Reply
- Beth Pierce
  December 24, 2022 at 9:16 am
  Thanks, so glad that the kids enjoyed it!
  See Also
  50 Delicious Breakfast Casseroles to Make Brunch Super Easy
  Reply
Indu Indra
December 20, 2022 at 4:08 am
Healthy breakfast is the best way to start a day. Different recipes bring variety to choose from and try.
Reply
Whitney Stewart
December 19, 2022 at 11:05 am

Yum, do luv me some hash brown casserole! It’s super easy to put together and leftovers prefect for mornings I’m too lazy to cook! Thank you for this! I’ll definitely be trying it out very soon!
Reply
Corrinne Sessions
November 18, 2022 at 11:39 am
Can I prep this and make it the next morning? Will it sit overnight okay? Anyone try that?
Reply
- Beth Pierce
  November 23, 2022 at 7:50 am
  Sorry about the delayed response. I have been a little under the weather. Yes, you can prepare this ahead of time and refrigerate it until ready to bake. Remove about 40 minutes prior to baking to come to room temperature.
  Reply
Kelly Summersett
October 24, 2022 at 5:30 am
This was a favorite and feeds a lot! Easy to make and very tasty!
Reply
- Beth Pierce
  October 24, 2022 at 6:08 am
  Thanks, Kelly! So glad that you liked it!
  Reply
Karla Colestock
October 06, 2022 at 5:42 pm
Can this be frozen after it is baked?
Reply
- Beth Pierce
  October 06, 2022 at 6:17 pm
  Yes
  Reply
Tina Basu
July 31, 2022 at 11:33 am
This was so yum! Pure comfort food! Thanks for the recipe!
Reply
Khushboo
July 30, 2022 at 4:41 pm
Wow it looks so yummy and delicious.I would like to to try this sometime.
Reply
Tammy
July 30, 2022 at 1:08 pm

What a wonderful breakfast treat on the weekends and best the day after too! Thanks for the great recipe. The family really loved it!
Reply
Jasmine Hewitt
July 30, 2022 at 11:37 am

I’m saving this so I can try it tomorrow. I don’t usually eat a lot of eggs but i’ll try it for this one!
Reply
- Beth Pierce
  July 30, 2022 at 2:03 pm
  Thanks Jasmine! Enjoy!!
  Reply
Glass Mosaic Tiles
July 30, 2022 at 7:33 am
omg this looks sooooooo good! I am doing it for sure, I am thinking tomorrow…Thank you so so much.
Reply
- Beth Pierce
  July 30, 2022 at 6:27 pm
  Thanks so much. Enjoy!
  Reply
LavandaMIchelle
July 30, 2022 at 5:13 am

This is a perfect breakfast dish. My family loves it! Thanks for an amazing recipe!
Reply
- Beth Pierce
  July 30, 2022 at 6:30 pm
  The pleasure is all mine Lavanda!
  Reply
- Cathy
  August 23, 2023 at 10:32 am
  Just wanted to say TY for sharing your recipes without having to join a group or sign up for anything. I really like that your recipes are not so plain. I jazzed this one up with HOT Jimmy Dean sausage and added fresh Hatch green chilis to the egg mixture!
  Reply
  - Beth Pierce
    August 25, 2023 at 9:57 pm
    You are most welcome! The pleasure is all mine. That sounds amazing! I bet it was delicious!
    Reply
Stephanie
July 29, 2022 at 10:54 am

Now this is my kind of breakfast! We have “Big Breakfast Sunday” at our house and I will be making this one this weekend. My whole family will devour this for sure.
Reply
Jan
May 14, 2022 at 9:15 am
Did y’all use the marjoram and thyme in the recipe? Would it be ok if I left those ingredients out or does it really make a difference?
Reply
- Kat
  April 26, 2023 at 10:35 am
  I’m not the author of this blog, but I have made many a frittata and egg casserole in my time. I would say use whatever herbs/spices you have on hand, or prefer. To me, the whole point of a basic recipe like this is to swap out what doesn’t suit your palate or insides (my mom can’t handle pork sausage, for example), and put in what makes your taste buds tap dance. 😁 In the case of herbs and spices, On one occasion, I’ll use what’s in the recipe, and on another, I may use some “Slap Ya Mama” spice instead, just because I’m in the mood for a Cajun kick to start the day. 😁 Happy cooking!
  Reply
Allyson Zea
March 30, 2022 at 12:13 pm

This casserole is the perfect weekend treat!
Reply
Catalina
March 30, 2022 at 4:52 am

This breakfast casserole was so hearty and delicious. It was perfect for our Sunday brunch and there was plenty for the whole family!
Reply
Sandra
March 29, 2022 at 11:33 am

This is seriously the best way to start my days! Really amazing!
Reply
Juliane
March 29, 2022 at 3:20 am

This was a good addition to start my day! My family just loved it and they want me to make again soon!
Reply
Erin | Dinners,Dishes and Dessert
March 29, 2022 at 1:42 am

This is most definitely an EPIC breakfast!
Reply
Erik
March 28, 2022 at 5:04 pm

This is exactly the kind of breakfast treat I love!
Reply