Hash Brown Vegan Breakfast Casserole

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Sometime back, we were having Sunday brunch at my sister’s house after church, and I needed to come up with a healthy version of a vegan breakfast casserole to take. This is the amazing Hash Brown Casserole that ended up happening in my kitchen!

hash brown casserole on blue plate with baking dish in background

Everyone–and I do mean EVERYONE–absolutely loved this vegan potato casserole. I was actually shocked at the accolades that were coming my way over this new whole food plant-based (WFPB) breakfast recipe.

This oil and dairy-free version of the traditional American hash brown casserole is delicious and heart-healthy. With potatoes, onions, red bell peppers, creamy vegan cheese sauce, and smoked paprika, there is no skimping on taste. No artery-clogging butter and eggs either.

hash brown casserole in glass baking dish after baked

Hash browns for breakfast

We love hash browns and normally just make them quickly in the waffle iron or panini maker, but this dish needed to be something in the breakfast casserole category--think colorful, warm, and cheesy.

A perfect make-ahead vegan breakfast casserole, this recipe will quickly become a new family favorite just like it did for us.

hash brown casserole on pink plate with casserole dish in background

How to make vegan hash brown casserole

The recipe card at the bottom of the page has the full list of ingredients with measurements and instructions.

In my opinion, other than the hash browns themselves, the star ingredient for this casserole is the homemade vegan cheese sauce.

You will want to make this cheese sauce first thing. It’s really easy to make and even freezes well. I usually already have some on hand in my freezer which shortens the steps to making any of my recipes that require cheese such as nachos, broccoli casserole, and scalloped potatoes.

Making this terrific cheese sauce is as simple as boiling a pot of potatoes, onions, and carrots, adding them to a blender with cashews (or white beans), spices, and blending it until smooth. 

vegan cheese sauce in blender

I have a Vitamix blender and so don’t take the time to soak my cashews. That thing is powerful and everything that goes into it comes out creamy. However, if your blender isn’t jet engine speed, soaking the cashews in warm water for at least 30-minutes before adding to this recipe will help this recipe come out more creamy. 

This recipe makes a little more sauce than you actually need for the casserole, so you’ll have some leftovers to try with other recipes. Once the cheese sauce is complete, set it to the side.

To make the casserole, dice the onion and red bell pepper into small chunks, and go ahead and dice up the fresh spinach leaves as well.

diced red bell pepper, onion, and spinach on brown cutting board

In a large bowl, mix together onions, red bell peppers, frozen hash browns, cheese sauce, and spices. Make sure to use a nice big bowl so you’ll have plenty of room for stirring.

hash browns, veggies, and vegan cheese sauce in stainless bowl

Then, toss in the shredded spinach leaves and lightly mix again.

hash brown casserole ingredients in stainless bowl with white spoon

Line a 9″x13″ baking dish with parchment paper. This allows the casserole to be cooked without oil. You could use a silicone baking dish if desired.

parchment paper lining an empty casserole dish

Pour the hash brown mixture into a baking dish and bake at 350°F for 30 minutes. If making in a crockpot, cook on low for approximately 2 hours. 

hash brown casserole in glass baking dish before cooked

Remove from oven and serve warm. Believe me, this is going to be the best breakfast casserole you’ve eaten!

Everyone at our family gathering loved this breakfast casserole, along with the Banana Oat Pancakes that I took as well.  I came home with empty dishes which is always a good feeling, and there were many requests for a recipe.

*Original publish date November 2017.

Choosing frozen hash browns

When shopping for frozen hash browns, check the ingredient list well. You will want to buy the ones that are only shredded potatoes and have no added oil, salt, or other ingredients.

I have found that off-brands such as Aldi, Walmart, and other grocery stores are perfectly compliant and quite inexpensive.

A number of people have asked if they could shred their own fresh potatoes for this. The answer is yes, but you will need to remove as much of the water from them as possible first.

Plant-based vegan sausage makes a great addition when serving this for breakfast. It is one of the many products that I like to order from MamaSezz meal delivery service. It comes ready to heat and eat, and it can also be frozen.

hash brown breakfast casserole on blue plate close up

Pro tips & suggestions

  • Prep ahead- To make this vegan potato casserole even faster, I sometimes dice and freeze the onion and red pepper ahead to time to use in this casserole.
  • Cheese sauce- I often freeze the cheese sauce to use in other recipes, so I always have some on-hand.
  • Frozen hash browns- When purchasing frozen hash brown, read the label to make sure the only ingredient is potatoes. Aldi’s brand is perfect for this recipe. Off brands of hash browns often work well and have only potatoes as an ingredient.
  • Baking dish- I use a 9″x13″ baking dish.

We love breakfast casseroles because they’re…

  • Easy to make ahead
  • Great for family brunches
  • Perfect for holidays
  • Filling
  • Comforting
  • Delicious!

More vegan breakfast recipes:

For those of you new to the whole food plant-based lifestyle, we’ve created a FREE 7-Day Plant-Based Menu Planner to help you get started!

This post may contain affiliate links. Read my full disclosure here.

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hash brown breakfast casserole on blue plate close up
4.48 from 344 votes

Vegan Hash Brown Breakfast Casserole

This oil and dairy-free version of the traditional American hash brown casserole is delicious and hearty-healthy. With potatoes, onions, red bell peppers, creamy vegan cheese sauce, and smoked paprika, there is no skimping on taste. No artery-clogging butter and eggs either! Vegan Breakfast Casserole is amazing!
Prep: 30 minutes
Cook: 30 minutes
Total: 1 hour
Servings: 8 servings

Ingredients 

Hash Brown Casserole

  • 1 30 oz package frozen shredded hash browns oil-free version (or 4 cups freshly shredded)
  • 3/4 cup onions diced
  • 1/2 cup red bell pepper diced
  • 3/4 cup fresh spinach leaves shredded
  • 1 cup No Cheese Sauce recipe below
  • 1/4 cup nutritional yeast
  • 1/2 teaspoon dry steak seasoning
  • 1 tablespoon ground smoked paprika
  • salt & pepper to taste

Creamy Vegan Cheese Sauce

  • 1 cup potatoes peeled and diced
  • 1/4 cup carrots diced
  • 1/4 cup onions diced
  • 1 cup broth from veggies
  • 1/2 cup raw cashews or 1/2 cup white beans
  • 4 tablepoons nutritional yeast flakes
  • 1 tablespoon lemon juice
  • 1 teaspoon salt
  • 1/2 teaspoon garlic powder
  • pinch paprika
  • 1/2 pinch cayenne pepper (optional)

Instructions

Hash Brown Casserole

  • Begin by making the cheese sauce using the recipe below. This recipe makes a little more sauce than you actually need for the casserole, so you'll have a little leftover to try with other recipes. Once the cheese sauce is complete, set it to the side.
  • To make the casserole, dice the onion and red bell pepper into small chunks, and go ahead and dice up the fresh spinach leaves as well.
  • In a large bowl, mix together onions, red bell peppers, frozen hash browns, cheese sauce, and spices. Make sure to use a nice big bowl so you'll have plenty of room for stirring.
  • Toss in shredded spinach leaves and lightly mix again.
  • Line a 9"x13" baking dish with parchment paper. This allows the casserole to be cooked without oil. You could use a silicone baking dish if desired.
  • Pour hash brown mixture into the baking dish and bake at 350 degrees for 30 minutes.
  • Remove from oven and serve warm.

Creamy Vegan Cheese Sauce

  • In a medium pot, bring about 3 cups of water to a boil. Place potatoes, carrots, and onion in the pot and allow to cook until veggies are tender-- approximately 15 minutes. Cooking time will vary based on how small the veggies are diced.
  • When veggies are tender, drain and place them in the blender. NOTE: reserve 1 cup of the broth, and add to blender. Add all the remaining ingredients, and blend until smooth.
  • Now, it's ready to use in this Hash Brown recipe. Cheese Sauce is also fabulous in nacho cheese dip, veggie pizza, mac-n-cheese, topping for steamed broccoli, or anything else you need a creamy, cheesy sauce in. It makes approximately 1 quart and can be stored in the refrigerator for up to 2 weeks.

Video

Notes

Pro Tips & Suggestions:
  1. Prep ahead- To make this vegan potato casserole even faster, I sometimes dice and freeze the onion and red pepper ahead to time to use in this casserole.
  2. Cheese sauce- I often freeze the cheese sauce to use in other recipes, so I always have some on hand.
  3. Frozen hash browns- When purchasing frozen hash brown, read the label to make sure the only ingredient is potatoes. Aldi's brand is perfect for this recipe. Off brands of hash browns often work well and have only potatoes as an ingredient.
  4. Baking dish- I use a 9"x13" baking dish.

Nutrition

Calories: 205kcal | Carbohydrates: 34.2g | Protein: 8.1g | Fat: 5g | Fiber: 5.4g

Disclaimer

To obtain the most accurate representation of the nutritional information in a given recipe, you should calculate the nutritional information with the actual ingredients used in your recipe, using your preferred nutrition calculator. You are solely responsible for ensuring that any nutritional information provided is accurate, complete, and useful.

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About Terri Edwards

Hi guys! I am the content creator behind EatPlant-Based and a licensed Food for Life instructor with the Physicians Committee for Responsible Medicine. I am passionate about sharing healthy recipes and tips to empower others to get healthy.  I’m so glad you’re here! Read More…

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147 Comments

  1. This sounds really good. I think it would go well at my family’s Christmas Eve gathering. I do have a question, though. Is 1 tablespoon of smoked paprika correct? Seems like a lot. Thanks so much for all your great recipes!

    1. I did use 1 Tbsp of smoked paprika, but you could start out with 1 tsp and add to it if you like. To me, it just adds so much flavor, and I really like smoked paprika. I hope you and your family enjoy!

    2. @Vickie Robinson, I used the full 1 Tbsp of smoked paprika and it was delish! I think it gives such a great full-bodied flavor and without it the dish might taste flat. Good luck!

    3. I used less than a tablespoon and still found that the smoked paprika took over the dish. We had it for Christmas and would make it again with perhaps a teaspoon of smoked paprika.

    1. Hallie, I don’t have a certain brand that I always use. Most are simply a mix of peppers and spices. Currently, I am using one called Weber Blazin Burger.

  2. My sister is allergic to nuts, and I don’t think the white beans would be what we are looking for as a substitute, either. What about pine nuts? Have you tried them instead?

    1. Donna, I haven’t tried pine nuts in the Creamy Cheese Sauce recipe before. If you do, we would love to hear how it turns out.

    2. @DONNA, my daughter has a severe nut allergy. We have been told that pine nuts are very allergenic, so I would avoid them.

  3. Your picture in #2 above looks like you have a white sour cream mixed in. Is that sour cream and cheese sauce both mixed into the hash brown mix? I don’t even see the cheese sauce in the mix…..

    1. Diane, that must be due to lighting, because I didn’t use any sour cream in this recipe. The cheese sauce is all that is needed. Enjoy!

    1. Andi, unfortunately, there are no healthy prepackaged vegan cheese options that I am a aware of. The problem is that the ones available are loaded with oil and fat, which is not good for heart-health. The good news is that if you make your own, it keeps well and even freezes.

  4. Thanks for an outstanding recipe – both healthy and delicious! I added some broccoli and mushrooms, just because we had some on hand and we all love them. I’m an omnivore, but two members of my family can not eat any dairy, so I’m always looking for full-flavor recipes that we can all enjoy. This cheese sauce has a wonderful flavor and I’m sure would complement just about any dish. Thank you for sharing it.

    1. Cari,that’s fabulous! The cheese sauce is so good on baked potatoes, tacos, and drizzled over pizza. Glad that you and your family liked it!

  5. This is such a wonderful recipe for sharing at family gatherings or weekend breakfasts! The seasonings in this casserole are really flavorful and even my toddler when crazy for it!

  6. I made this the other day. It was just the 2 of us so i cut the recipe in half. It was delicious and was actually enough for a 2nd meal. And there was no need to use parchment paper. Even without oil, it didn’t stick to the bottom of the pan. Definitely a 5* recipe.

  7. Terri,

    I fixed this for dinner tonight. It was so awesome. Thank you for your great recipes. Do you still do phone consultations?

    Jo Anna

    1. What a great idea to do a breakfast casserole for dinner! Love that! I do still do plant-based guidance sessions using the PCRM Food for Life curriculum by phone or online. Let me know if you would like assistance.

    1. Yay! That’s terrific to hear! The cheese sauce is definitely a favorite of mine as well.

  8. Terri Can I use dehydrated hash browns instead of the frozen? I have a bunch of Costco brand and don’t know what to do with them all. I love the cheese recipe, wow, who would have thought? Can’t wait to see more of your You tube, you are an inspiration, thanks. Sarah

    1. Thanks so much, Sarah! Your kind words mean so much to me. I would think that once your rehydrate the hash browns they should do just fine in this. Wishing you all the best!

  9. Terri, when do you add the ‘cheese’ sauce to the veggie mixture? Before baking or after baking? Thank you.

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