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Home Casseroles

Hashbrown Breakfast Casserole

1 hour 50 minutes
green peppersoniontomato
Posted:3/12/20
Updated:9/2/22
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Hearty hashbrown breakfast casserole made with frozen hash browns, breakfast sausage, eggs and cheese. This easy casserole can be prepped overnight and is perfect for Easter and Christmas morning.

slice of hashbrown breakfast casserole in white baking dish

I love this breakfast casserole with hash browns and sausage because it’s delicious and no matter where it’s served, it’s always a favorite! For example, my family loves it for lazy weekends and holiday breakfast (especially Christmas morning breakfast!). But honestly, sometimes we love it so much that I make it for dinner too!

This hash brown breakfast casserole is perfect for pot lucks, church breakfast, or whenever you need to serve a bunch of people breakfast. It’s savory, hearty, cheesy and delicious!

baked egg casserole in white baking dish out of the oven

How to Make Hashbrown Breakfast Casserole

Gather your ingredients. Here’s everything you need to make this casserole. This definitely feeds a large family, or a get together pretty easily!

ingredients to make hashbrown casserole on white background

Preheat oven to 425 degrees and spray a 13×9 baking dish with nonstick spray. We want to cook the hashbrowns a little bit first to prevent them from getting soggy at the bottom. By cooking them first we’re going to keep them crisp. Spread hashbrowns out on the bottom of the dish. Now add a little salt and pepper on top.

hash browns with salt and pepper in baking dish

While the hashbrowns are cooking, let’s prepare our pork sausage. Brown in a skillet, along with onion and green pepper. This smells so good!

browned sausage in skillet with peppers and onions

Now grab your eggs. We’re going to use 1 dozen eggs. Yes, you read that right, 1 dozen eggs. Like I mentioned, this hash brown egg casserole feeds a large family.

eggs in carton

Break eggs into a large bowl and beat.

eggs beat in white bowl

Add milk, cheddar cheese and tomatoes in bowl and stir.

cheese, milk, tomatoes in bowl

By this time your hashbrowns should be crispy and you can remove them from the oven. I might have sneaked a taste!

hash browns browned in baking dish

Add your browned sausage mixture on top of the hashbrowns, spreading it evenly around.

sausage on top of hash browns

Finally, pour the egg mixture on top, using a spatula to even it out.

eggs, tomatoes, cheese in baking dish

Reduce oven temperature to 350. Cover with aluminum foil and bake for 45 minutes. Then remove the foil and cook an additional 30 minutes. This is going to make a perfectly baked casserole!

Oh la la, look at how delicious this looks!

baked cheesy casserole in white baking dish

Can I make this breakfast casserole ahead of time?

Yes, this casserole takes a bit of baking time, so it’s fine to prepare it the night before. I would prepare the casserole as recipe states, skipping the 20 minute bake time for the hash browns. In the morning bake for around 45 minutes covered and 30 minutes uncovered. You might need to add 10-15 extra minutes since it’ll be cold coming from the refrigerator.

Recipe Options:

Hash browns: If you can find frozen Potatoes O’Brien, you can use them and omit the additional green pepper and onion. That will save you a couple minutes of dicing up vegetables. Ore-Ida makes a bag of these, usually in the frozen section with the french fries.

Meat: Breakfast sausage not your thing? (*gasp*). You can use a pound of diced up cooked bacon instead.

Cheese: Want to add a kick of spice? Use shredded pepper jack cheese instead of cheddar cheese.

Tomatoes: Do you love RO*TEL tomatoes? Use a can of those (I recommend the kind with diced green chilies) instead of a fresh tomato. Just make sure to drain the can.

Toppings: Some people like this “as is” but some people like toppings. You can add ketchup, taco sauce (my fav), salsa, hot sauce or sour cream on top for a little extra flavor if you prefer.

I hope you love this Hashbrown Breakfast Casserole as much as my family does. Enjoy!

fork cutting up slice of breakfast casserole, eggs and sausage on fork

Other Delicious Breakfast Recipes:

  • Amish Breakfast Casserole
  • Egg and Cheese Breakfast Sandwich
  • Diner Hash Browns
  • Apple Pie Pancakes
  • No Milk No Eggs Pancakes
  • How to Make Homemade Breakfast Sausage
  • Cheesy Vegetable Omelette
  • Scrambled Eggs with Bacon
  • Coffee Cake Muffins
  • No Butter Homemade Pancakes

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Hearty hashbrown breakfast casserole made with frozen hash browns, breakfast sausage, eggs and cheese. This easy casserole can be prepped overnight and is perfect for Easter and Christmas morning.
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Hashbrown Breakfast Casserole

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Hearty hashbrown breakfast casserole made with frozen hash browns, breakfast sausage, eggs and cheese. This easy casserole can be prepped overnight and is perfect for Easter and Christmas morning.
Prep Time: 15 minutes
Cook Time: 1 hour 35 minutes
Total Time 1 hour 50 minutes
serves 10

Ingredients

  • 16 ounces diced hashbrown potatoes
  • salt and pepper to season
  • 16 ounces breakfast pork sausage
  • ¼ cup onion diced
  • ¼ cup green bell pepper diced
  • 12 eggs
  • 1 cup milk
  • 2 cups shredded Cheddar cheese
  • 1 large tomato diced

Instructions

  • Preheat oven to 425 degrees F.
  • Spray a 13×9 baking dish with nonstick spray. Spread hashbrowns on bottom of dish, gently patting them down. Season with salt and pepper on top. Bake in the oven for 20 minutes.
  • While hashbrowns are cooking in the oven, brown the breakfast sausage over medium high heat in a skillet, along with diced up onions and green pepper.
  • Remove hashbrowns from oven. Spread sausage out on top of the hashbrowns evenly.
  • In a large bowl beat eggs. Add milk, shredded cheese and tomato. Stir. Pour mixture over the sausage.
  • Lower oven temperature to 350 degrees. Cover with aluminum foil and bake for 45 minutes. Remove aluminum foil and bake for 30 minutes uncovered.
  • Remove from oven and let sit for 15 minutes before serving.
Course:Breakfast
Cuisine:American
Keyword:hash brown egg casserole, hashbrown breakfast casserole
Did you make this?I love seeing what you’ve made! Tag me on Instagram at @BrooklynFarmGirl and don’t forget to leave a comment & rating below.

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Hi! I'm Pamela, an artist Mom who shares family recipes. My farm is a 1,000 sq ft apartment in NYC. Let's make dinner together.

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