Hashbrown Breakfast Casserole (2024)

A Hashbrown Breakfast Casserole is perfect when you need to feed a crowd first thing in the morning.

This breakfast casserole recipe is a full meal with eggs, sausage, peppers, and hashbrowns all topped with cheese and baked until perfect golden brown.

Best of all, prepare ahead of time and in the morning, just pop it into the oven. Serve with a fresh fruit salad, and keep the coffee coming (or mimosas)!

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Ingredients in Breakfast Casserole

Hashbrowns – I use shredded hashbrowns, but any style of hash browns work well in this recipe, or even leftover home fries or roasted potatoes!

Sausage – I prefer pork sausage (like Jimmy Dean’s breakfast sausage). Swap it out for turkey sausage, ham, or crispy bacon (or even leftover ground beef from last night’s tacos)!

Veggies – I add bell peppers to this casserole but add whatever veggies you have on hand. Mushrooms (cook them first so they don’t get watery), asparagus, or even steamed broccoli are great.

Cheese – Shredded sharp cheddar cheese is our favorite, but pepper jack cheese or other bold flavorful cheeses work well. Save a little for the top to get a nice golden layer of cheese.

This hash brown casserole recipe is very forgiving; you can change the add-ins according to your preferences or what you have on hand. Try leftover meats, veggies, and cheeses of all kinds. Just chop or shred and toss them into the mix.

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How to Make Breakfast Casserole

Frozen hash browns make this breakfast casserole super easy to whip up.

  1. Spread thawed shredded hash browns in the bottom of a baking dish per the recipe below. Mix in cheese, sausage, and pepper/onions.
  2. Whisk eggs, milk, and seasonings in a large bowl.
  3. Pour over the hashbrown mixture.
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Bake Now or Make Ahead

The great thing about this hash brown breakfast casserole recipe is that it can be baked right away or prepared ahead and baked before brunch. It’s perfect for holidays like Christmas morning or even Easter.

Cook it now or refrigerate overnight Once prepared, bake right away or you can cover, refrigerate overnight, and bake this breakfast casserole fresh in the morning.

To Bake Now Pour the egg mixture over top and bake. Unlike strata or french toast, you do not need to wait as there is no bread to soak up the mixture. So just make and bake.

To Bake Later Cover the mixture tightly and refrigerate for up to 48 hours (or 3 days if using pasteurized egg product). Remove from the fridge at least 30 minutes before baking (while preheating the oven).

How long to bake breakfast casserole?

This bakes at 350°F for 55-65 minutes or until a knife inserted in the center comes out clean. If you’ve let it sit overnight, it may need a few extra minutes if it’s still quite chilled from the fridge.

Can this be cooked in the Crock Pot?

To prepare in the Crock Pot, I recommend our slow cooker breakfast casserole.

How to store leftovers?

Just like egg muffins, leftover breakfast casserole is perfect for busy weekday mornings. Keep leftovers in the fridge for 3-4 days. Reheat in the microwave or the oven.

Can you freeze breakfast casserole?

Yes, you sure can! This will last in the freezer for up to four months. Wrap individual pieces and store in freezer bags. Defrost in the fridge overnight and reheat in the microwave or the oven.

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More Easy Make-Ahead Breakfast Casseroles

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Hashbrown Breakfast Casserole (10)

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Hashbrown Breakfast Casserole

Hashbrown Breakfast Casserole is a complete meal in one dish. Eggs, hash browns, sausage, and loads of cheddar cheese make the perfect meal!

ReviewPrint

Hashbrown Breakfast Casserole (11)

Prep Time 20 minutes minutes

Cook Time 1 hour hour 10 minutes minutes

Total Time 1 hour hour 30 minutes minutes

Hashbrown Breakfast Casserole (12)

Servings 8 servings

Hashbrown Breakfast Casserole (13)

Author Holly Nilsson

Ingredients

  • 20 ounces shredded hash browns thawed
  • 1 pound sausage cooked, crumbled, and drained
  • ¼ cup onion finely diced
  • ½ red bell pepper diced
  • ½ green bell pepper diced
  • 2 cups cheddar cheese shredded, divided use
  • 8 eggs
  • 1 can evaporated milk 12 ounces, or 1 ⅓ cups milk
  • ½ teaspoon Italian seasoning or your favorite herbs/spices (optional)
  • ½ teaspoon Kosher salt or to taste
  • ¼ teaspoon black pepper

Instructions

  • Preheat the oven to 350°F (if baking immediately). Grease a 9×13 inch pan or a 3qt baking dish or spray with cooking spray.

  • Heat a large skillet over medium high heat. Brown the sausage, breaking it up with a spoon, until no pink remains. Drain fat.

  • In the prepared dish, add the hashbrowns, cooked sausage, onions, bell peppers, and 1 ½ cups of cheese. Gently mix the ingredients together and spread evenly in the pan.

  • In a large bowl, add the eggs, evaporated milk, salt & pepper, and Italian seasoning to a large bowl. Whisk until well combined.

  • Pour the egg mixture over the hashbrown mixture and sprinkle the remaining cheese over top.

  • Cover the dish with foil and refrigerate overnight if desired, or bake immediately.

  • Bake uncovered for 55-65 minutes or until cooked through.

Video

Notes

  • The casserole can be assembled and baked immediately or covered and refrigerated for up to two days before baking. If using pasteurized egg product, it can be prepared three days in advance.
  • Sausage can be swapped for 1lb of bacon, cooked crisp. You can use any type of shredded cheese you have on hand.
  • If the casserole is refrigerated overnight, remove it from the fridge 30 minutes before baking. It may require an extra 10-15 minutes of cooking time.
  • Evaporated milk can be substituted with 1 1/3 cups of light cream, milk, or non-dairy milk of your choice.

4.98 from 2693 votes

Nutrition Information

Calories: 474 | Carbohydrates: 19g | Protein: 25g | Fat: 33g | Saturated Fat: 14g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 11g | Trans Fat: 0.1g | Cholesterol: 246mg | Sodium: 816mg | Potassium: 598mg | Fiber: 1g | Sugar: 5g | Vitamin A: 932IU | Vitamin C: 23mg | Calcium: 357mg | Iron: 2mg

Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.

Hashbrown Breakfast Casserole (15) Course Breakfast, Casserole

Hashbrown Breakfast Casserole (16) Cuisine American

© SpendWithPennies.com. Content and photographs are copyright protected. Sharing of this recipe is both encouraged and appreciated. Copying and/or pasting full recipes to any social media is strictly prohibited. Please view my photo use policy here.

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Categories:

Breakfast, Casseroles, Christmas, Recipes

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About the author

Holly is a wine and cheese lover, recipe creator, shopping enthusiast and self appointed foodie. Her greatest passion is creating in the kitchen and making deliciously comforting recipes for the everyday home cook!
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Hashbrown Breakfast Casserole (2024)

FAQs

Why is my hash brown casserole soggy? ›

Frozen hash browns will leak moisture during cooking, which could leave a soggy, sad mess behind. For the best results, let the frozen hash browns thaw overnight in the fridge, then thoroughly pat them dry to remove as much moisture as possible before cooking them to crispy.

How do you know when breakfast casserole is done? ›

How do you know when breakfast casserole is done? Just stick a knife into the center of your egg casserole recipe after 55 minutes of baking. If it comes out clean, your baked egg casserole is ready!

Why is my breakfast casserole soggy? ›

Why is my breakfast casserole soggy? The primary suspects are not pre-cooking the veggies and and not draining the sausage grease.

Why do you have to refrigerate breakfast casserole overnight? ›

The casserole is covered and refrigerated overnight to allow the liquid ingredients to be absorbed into the bread. This is a perishable mixture and should be cooked the morning or day after assembly.

What is the secret to crispy hash browns? ›

Remove as much moisture as possible. In order to get evenly crispy hash browns, you need to squeeze out as much water as you can. I prefer to do this using my salad spinner- it works GREAT for removing water! But you can also use a cheese cloth or even paper towels to squeeze it out.

How to fix watery hashbrown casserole? ›

Make a cornstarch slurry for a fast and easy thickener.

Use one tablespoon of cornstarch per cup of liquid you would like to thicken. Stir out all the lumps. A few minutes before your casserole is done, add it a little at a time until you are happy with the thickness. Then, let the casserole finish baking.

How to tell if hashbrown casserole is done? ›

Bake for 45 minutes at 350 F. After 45 minutes, it'll be done but looking kinda pale.

How long to bake eggs at 350 degrees? ›

Bake eggs at 350ºF for 10-15 minutes or until the yolk reaches your desired doneness. If your eggs don't come right out, run a knife around the edges to help them loosen.

Do I bake my casserole covered or uncovered? ›

Uncovering the foods promotes browning and crisping, and reduces the amount of liquid in the finished dish. If a casserole looks soupy when it's ready to bake, bake it uncovered unless the ingredients include pasta or rice, which absorb liquid.

How long should a casserole be cooked for? ›

The time a casserole takes to cook will vary from 2-2½ hours for chuck, blade and thick flank, up to 4 hours for shin, leg and neck. Pork cuts for braising and casseroling normally take 1½ hours, and lamb much the same.

How do you moisten a dry breakfast casserole? ›

The best way to reheat it is to cover it and put it into a cold oven. Covering the dish will trap the steam in and keep it moist while it heats. How do you moisten a dry casserole? Add a little water or milk to the top of the it before reheating.

How do you fix a wet casserole? ›

Just because your casserole is starting to look a bit soupy doesn't mean it's beyond saving. In fact, all you need to do is add some pasta noodles or grains to your base. This trick works for the simple reason that both types of ingredients soak up water as they cook.

What happens if you forget to put casserole in the fridge overnight? ›

Myth: You shouldn't put hot foods in the refrigerator.

Perishable foods should be put in a refrigerator that is 40 degrees or below within 2 hours of preparation. If you leave food out to cool and forget about it after 2 hours, throw it away.

Can you leave raw egg mixture in the fridge? ›

If you've got raw egg yolks or whites left over from a recipe which you don't want to waste (let's face it, why would you?), you can store them in the fridge as long as you plan to use them within the next few days.

How many days is breakfast casserole good for? ›

Preheat the oven to 375°F (191°C). Bake the casserole, uncovered, until the top is golden, edges are crisp, and a toothpick inserted in the center comes out clean, about 40–45 minutes. Cool for 10 minutes, then slice and serve. Leftovers keep well in the refrigerator for up to 5 days.

How do you make a casserole not soggy? ›

Just because your casserole is starting to look a bit soupy doesn't mean it's beyond saving. In fact, all you need to do is add some pasta noodles or grains to your base. This trick works for the simple reason that both types of ingredients soak up water as they cook.

How do you keep casserole topping from getting soggy? ›

Assuming that you want to serve the casserole hot and the streusel crispy, keep the casserole and the streusel separate until almost serving time. This means you will have to bake the streusel on a cookie sheet until crisp and ready, then let them cool uncovered and transport them in a separate container.

How do you get moisture out of hash browns? ›

Squeezing the shredded potato in a towel or cheesecloth to remove as much moisture as possible helps it brown more evenly. Cooking the shredded potato briefly in the microwave helps it develop a better crust that remains crispy for longer.

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