Name: Loaded Vegan Hashbrown Casserole Recipe
Prep time: 25 min
Cook time: 55 min
Total time: 1 h 20 min
Cuisine: American
Ingredients: 2 1/2 pounds Russet potatoes (peeled, 1.15kg); 2 teaspoons fine sea salt (divided – 10g); 3 tablespoons olive oil (45mL); 1 medium yellow onion (finely diced); 1 medium red bell pepper (diced); 3/4 cup corn kernels (fresh or frozen, thawed – 110g); 2 cups baby spinach (roughly chopped, packed – 60g); 3 cloves garlic (minced); 3 tablespoons vegan butter (42g); 3 tablespoons all-purpose flour (24g); 1 3/4 cups unsweetened plant milk (soy or oat preferred – 420mL); 1/2 cup vegan cream cheese (120g); 1/4 cup nutritional yeast (15g); 1 teaspoon Dijon mustard (5g); 1 teaspoon fine sea salt (5g); 1/2 teaspoon freshly ground black pepper (1.5g); 1/2 teaspoon smoked paprika (1g); 1 cup vegan shredded cheddar-style cheese (110g); 1 tablespoon olive oil (15mL); 3/4 cup panko breadcrumbs (30g); Chopped parsley (for serving)

Print Recipe· 4.2 from 8 reviews

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If you’re craving a cozy, comforting dish with layers of creamy, savory goodness and a crispy golden top, then you absolutely have to try this Loaded Vegan Hashbrown Casserole Recipe. It’s a vibrant, plant-based twist on a classic favorite that brings together perfectly shredded potatoes, a medley of fresh vegetables, and a rich, cheesy sauce—all baked to bubbly, golden perfection. Whether you’re serving it for brunch, a hearty dinner, or a potluck, this casserole is guaranteed to steal the show and become one of your new go-to vegan comfort foods.

Ingredients You’ll Need

The image shows multiple white bowls and small dishes arranged on a white marbled surface, each filled with different colorful ingredients. At the center right is a white bowl filled with peeled russet potatoes, which are pale yellow and smooth. Surrounding it are bowls with bright red chopped red bell pepper, finely chopped white yellow onion, vibrant green baby spinach leaves, and chopped parsley in a small rectangular white dish. Another bowl holds bright yellow corn kernels, and a white bowl contains shredded vegan cheddar-style cheese in a deep yellow-orange color. There is a small dish with pale yellow vegan butter, a white bowl of vegan cream cheese that is smooth and creamy white, and a jar with light beige unsweetened plant milk. Additional items include a bowl with pale panko breadcrumbs, a dish with minced garlic, a small dish of fine sea salt that looks white and grainy, and a plate with a mix of freshly ground black pepper and smoked paprika showing dark brown and deep red powders. There is also a small dish with a bright yellow dollop of dijon mustard, a bowl of yellow nutritional yeast flakes, a dish with all-purpose flour looking powdery white, and a small bowl filled with golden olive oil. Each ingredient is clearly labeled with black text on a transparent background above or beside the bowls. Photo taken with an iphone --ar 4:5 --v 7

Preparing a delicious Loaded Vegan Hashbrown Casserole Recipe is all about layering simple, thoughtfully chosen ingredients that build incredible flavor and texture. Each element plays a key role—from the starchy russet potatoes that create the perfect base to the creamy vegan cheese sauce that pulls everything together with flair.

Russet potatoes (2 1/2 pounds): The perfect starchy potato for shredding, soaking out excess starch, and creating a tender yet crispy texture.
Fine sea salt (2 teaspoons): Used twice—first for soaking to reduce starch, then to season.
Olive oil (5 tablespoons total): Enhances richness and helps soften the veggies and crisp the topping.
Yellow onion (1 medium, finely diced): Adds sweetness and a mild pungency when sautéed.
Red bell pepper (1 medium, diced): Brings color and a burst of freshness.
Corn kernels (3/4 cup): Adds subtle sweetness and a fun pop of texture.
Baby spinach (2 cups, roughly chopped): Provides vibrant green color and nutritional boost without overpowering flavor.
Garlic (3 cloves, minced): Infuses the dish with aromatic depth.
Vegan butter (3 tablespoons): Base for the creamy roux, giving luscious, buttery richness.
All-purpose flour (3 tablespoons): Thickens the sauce for that perfect creamy consistency.
Unsweetened plant milk (1 3/4 cups, soy or oat preferred): Keeps the casserole creamy and smooth without dairy.
Vegan cream cheese (1/2 cup): Makes the sauce irresistibly tangy and velvety.
Nutritional yeast (1/4 cup): Adds a savory, cheesy flavor punch.
Dijon mustard (1 teaspoon): A subtle tang that balances the richness beautifully.
Freshly ground black pepper (1/2 teaspoon): Just enough to add gentle heat.
Smoked paprika (1/2 teaspoon): Gives a slight smoky warmth that makes this dish stand out.
Vegan shredded cheddar-style cheese (1 cup): Melts into a gooey topping with a sharp, cheesy bite.
Panko breadcrumbs (3/4 cup): Creates a satisfyingly crunchy golden crust.
Chopped parsley: Optional fresh garnish to brighten each bite with a hint of herbaceousness.

How to Make Loaded Vegan Hashbrown Casserole Recipe

Step 1: Prepare and Soak the Potatoes

Start by shredding those peeled russet potatoes using a box grater or food processor—this is what gives our casserole that gorgeous, tender texture. Soak them in cold water with a touch of salt for about 10 minutes to pull away excess starch, which keeps them from clumping. After draining, squeeze out every bit of moisture with a clean towel; dry potatoes mean a crispier casserole crust!

Step 2: Sauté the Vegetables

Warm 1 tablespoon of olive oil over medium heat and gently cook the diced yellow onion until translucent and fragrant, about 3-4 minutes. Toss in the diced red bell pepper, giving it another few minutes until tender but still bright. Adding corn and minced garlic next introduces sweetness and depth—cook just until fragrant before stirring in spinach to wilt ever so slightly. This veggie medley adds freshness and color to every forkful.

Step 3: Craft the Creamy Cheese Sauce

In a separate saucepan, melt the vegan butter over medium heat before whisking in the flour to create a roux. Cook for about a minute to get rid of any raw taste, then slowly add the plant milk, whisking continuously until the sauce thickens beautifully. Lower the heat and stir in vegan cream cheese, nutritional yeast, Dijon mustard, salt, black pepper, and smoked paprika until completely smooth. This sauce is the heart of the Loaded Vegan Hashbrown Casserole Recipe, bringing everything together with savory, cheesy goodness.

Step 4: Assemble the Casserole

Preheat your oven to 375°F (190°C) and grease a 9×13 baking dish. In a large bowl, gently combine the shredded potatoes, sautéed veggies, and creamy sauce, making sure everything is evenly coated. Transfer this hearty mixture into your prepared dish, smoothing the top to ensure even baking.

Step 5: Add the Crunchy Topping

Mix vegan shredded cheddar cheese, panko breadcrumbs, and a tablespoon of olive oil in a small bowl. Sprinkle this golden combination generously over the casserole. This topping creates that signature crunchy crust that turns this dish from wonderful to wow!

Step 6: Bake to Perfection

Bake uncovered for about 45-50 minutes until the casserole is bubbling and the topping is a lush golden brown. If you crave extra crunch, switch the oven to broil for the last 2-3 minutes, watching carefully so it doesn’t burn. Once out, let it rest for 10 minutes so it sets perfectly for slicing and serving.

How to Serve Loaded Vegan Hashbrown Casserole Recipe

A white rectangular baking dish filled with a layered casserole shows a top layer generously covered with bright orange shredded cheese and a light sprinkling of fine breadcrumbs. Beneath the cheese, hints of mixed ingredients like small red and green bits peek through, suggesting vegetables or seasoning mixed within. The dish sits on a white marbled surface, highlighting the vibrant colors of the casserole top. The texture of the shredded cheese contrasts with the finer, grainy breadcrumb layer spread evenly across the top. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Finishing touches like a sprinkle of chopped parsley bring freshness and a pop of vibrant color, making each serving feel elevated and special. You can also add a few cracks of black pepper on top for that extra bit of visual flair and bite.

Side Dishes

This casserole is a hearty star on its own but pairs wonderfully with crisp, refreshing sides like a simple arugula salad with lemon vinaigrette or roasted seasonal veggies. For a brunch spread, consider sliced avocado or vegan sausage links to round out the meal.

Creative Ways to Present

For a festive twist, serve the casserole in individual ramekins for personal portions that impress guests. Alternatively, layer it with fresh herbs or some sun-dried tomatoes inside the mixture for added bursts of flavor and color. It’s versatile and infinitely adaptable to your flair!

Make Ahead and Storage

Storing Leftovers

Once cooled, cover any leftovers tightly with foil or plastic wrap and store in the fridge for up to 4 days. The flavors deepen over time, making it even tastier the next day.

Freezing

This Loaded Vegan Hashbrown Casserole Recipe freezes beautifully. Freeze it in an airtight container for up to 3 months. Thaw in the fridge overnight before reheating to keep that perfect texture intact.

Reheating

Reheat leftovers covered in a 350°F (175°C) oven for 20-25 minutes until warmed through. For extra crispiness on top, remove the cover in the last 5 minutes of baking. Microwaving works in a pinch but may soften the topping.

FAQs

Can I use frozen hashbrowns instead of shredding fresh potatoes?

Absolutely! Just make sure to thaw and drain them thoroughly to avoid extra moisture, which can make the casserole soggy.

Is it necessary to soak the shredded potatoes?

Yes, soaking helps get rid of excess starch, which prevents clumping and helps the casserole hold together with a better texture.

What plant milk works best for the sauce?

Soy or oat milk are ideal because of their creamy texture and neutral flavor, but any unsweetened plant milk will work well.

Can I make this casserole nut-free?

Yes, this recipe contains no nuts. Just be sure your vegan cheese and cream cheese alternatives are nut-free if you have allergies.

How can I make the topping extra crispy?

Adding panko breadcrumbs with olive oil creates great crunch; broiling for a couple of minutes at the end really seals the deal for a golden, crispy finish.

Final Thoughts

This Loaded Vegan Hashbrown Casserole Recipe is a true labor of love that rewards you with every golden, creamy, and flavorful bite. Whether you’re looking to wow friends at brunch or craving a comforting dinner at home, this recipe is simple enough to become a staple and special enough to feel like a celebration. Give it a try—you won’t regret falling in love with this vegan twist on a classic!

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