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Vegan Potato Broccoli Casserole

Modified: Apr 8, 2025 by Chantal Kirkland · This post may contain affiliate links · Leave a Comment

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From the first taste of Vegan Potato Broccoli Casserole—it was love at first bite! The creamy potatoes, tender broccoli, and rich cheese sauce all meld together in one delightful dish. This casserole has since become a staple in my household. This vegan casserole is an ideal choice for any hungry belly, combining creamy textures and rich flavors that will make you forget it’s vegan!

spoon scooping up a serving of vegan potato broccoli casserole from a baking dish
Jump to:
  • Vegan Potato Broccoli Casserole
  • 📖Printable Recipe:
  • Vegan Potato Broccoli Casserole
  • 📋Ingredients
  • 🔪How Do I Make It?
  • 🍽What Do I Serve With This Casserole Dish?
  • ⏲️Chef's Tip
  • 💭Frequently Asked Questions
  • 🥘More Easy Casseroles

Vegan Potato Broccoli Casserole

🎥Video Recipe:

📖Printable Recipe:

spoon scooping up a serving of vegan potato broccoli casserole from a baking dish

Vegan Potato Broccoli Casserole

Creating a Vegan Potato Broccoli Casserole is not only a delightful culinary adventure but also a wonderful way to enjoy a nourishing, plant-based meal. This dish is versatile, flavorful, and perfect for sharing with family and friends.
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Prep Time 20 minutes mins
Cook Time 50 minutes mins
Course side/main dish
Cuisine American
Servings 4
Calories 474 kcal

Ingredients
  

  • 1 kg (2 pounds) potatoes, peeled and chopped
  • 400 g (14 oz) broccoli florets
  • 1 cup soy milk
  • 1 rosemary sprig
  • 1 tablespoon paprika
  • 1 teaspoon chili flakes
  • 2 garlic cloves minced
  • ⅓ cup vegan butter
  • 3 tablespoon all-purpose flour
  • 1 cup vegetable stock
  • ½ cup nutritional yeast
  • ½ cup vegan cheese
  • ½ cup soy milk

Instructions
 

  • Preheat the oven to 180C/350F.
  • Place a large pan over medium-low heat. Pour in soy milk, season with salt, pepper, paprika and chili, add rosemary, garlic and thyme, bring to a boil.
    1 cup soy milk, 1 rosemary sprig, 1 tablespoon paprika, 1 teaspoon chili flakes, 2 garlic cloves
    combining ingredients in a saucepan to make vegan potato broccoli casserole
  • Add chopped potatoes and broccoli florets into the pan of spiced milk, cover with a lid and let the vegetables steam for 15 minutes.
    1 kg (2 pounds) potatoes, peeled and chopped, 400 g (14 oz) broccoli florets
    adding potatoes to a saucepan to make vegan potato broccoli casserole
  • Meanwhile, melt vegan butter, add butter, whisk and cook the flour for 1 minute. Pour vegetable stock into the flour mixture, add soy milk and nutritional yeast. Cook the sauce for 5 minutes or until thick and bubbly.
    ⅓ cup vegan butter, 3 tablespoon all-purpose flour, 1 cup vegetable stock, ½ cup soy milk, ½ cup nutritional yeast
    stirring together ingredients to make the sauce for vegan potato broccoli casserole
  • Transfer vegetables (with leftover liquid but discard the herbs) into a 9x13 casserole dish, mix with the cheese sauce and top with vegan cheese. Cover the pan with foil and bake for 50 minutes. Remove the foil and let the cheese brown slightly.
    ½ cup vegan cheese
    final step of topping with cheese to make vegan potato broccoli casserole

Video

Nutrition

Calories: 474kcalCarbohydrates: 66gProtein: 15gFat: 18gSaturated Fat: 5gPolyunsaturated Fat: 5gMonounsaturated Fat: 5gTrans Fat: 0.1gSodium: 599mgPotassium: 1.672mgFiber: 11gSugar: 7gVitamin A: 2.838IUVitamin C: 145mgCalcium: 221mgIron: 4mg
Keyword broccoli, casserole, Potato, vegan
Tried this recipe?Let us know how it was!

📋Ingredients

  • 1 kg (2 pounds) potatoes, peeled and chopped
  • 400 g (14 oz) broccoli florets
  • 1 cup soy milk
  • 1 rosemary sprig
  • 1 tablespoon paprika
  • 1 teaspoon chili flakes
  • 2 garlic cloves, minced
  • ⅓ cup vegan butter
  • 3 tablespoon all-purpose flour
  • 1 cup vegetable stock
  • ½ cup nutritional yeast
  • ½ cup vegan cheese
  • ½ cup soy milk
overhead view of ingredients to make vegan potato broccoli casserole on a table

🔪How Do I Make It?

Preheat the oven to 180C/350F.

Place a large pan over medium-low heat. Pour in soy milk, season with salt, pepper, paprika and chili, add rosemary, garlic and thyme, bring to a boil.

combining ingredients in a saucepan to make vegan potato broccoli casserole

Add chopped potatoes and broccoli florets into the pan of spiced milk, cover with a lid and let the vegetables steam for 15 minutes.

adding potatoes to a saucepan to make vegan potato broccoli casserole

Meanwhile, melt vegan butter, add butter, whisk and cook the flour for 1 minute. Pour vegetable stock into the flour mixture, add soy milk and nutritional yeast. Cook the sauce for 5 minutes or until thick and bubbly.

stirring together ingredients to make the sauce for vegan potato broccoli casserole

Transfer vegetables (with leftover liquid but discard the herbs) into a 9x13 casserole dish, mix with the cheese sauce and top with vegan cheese. Cover the pan with foil and bake for 50 minutes. Remove the foil and let the cheese brown slightly.

final step of topping with cheese to make vegan potato broccoli casserole

🍽What Do I Serve With This Casserole Dish?

Pairing your Vegan Potato Broccoli Casserole with the right side dishes can elevate your dining experience. Here are some fantastic options to consider:

Fresh Green Salad

A crisp, fresh green salad serves as a perfect complement to the hearty casserole. Opt for greens like spinach, arugula, or kale, and add some sliced cucumbers, cherry tomatoes, and a zesty lemon vinaigrette for a refreshing contrast.

Garlic Roasted Vegetables

Roasted vegetables like carrots, bell peppers, and zucchinis are another excellent side dish. Toss them in olive oil, minced garlic, salt, and pepper before roasting them to bring out their natural sweetness and enhance the savory notes of the casserole.

Crusty Bread

There's nothing like a slice of crusty bread to mop up the creamy sauce from your plate. Choose a rustic, whole-grain loaf or a warm baguette to add some satisfying crunch to your meal.

serving of vegan potato broccoli casserole in a bowl on a table

⏲️Chef's Tip

The secret to making the perfect Vegan Potato Broccoli Casserole lies in balancing the flavors and textures. Here’s how you can achieve that:

  1. Spice It Up: Don’t be afraid to experiment with spices. While paprika and chili flakes add a lovely kick, you can also try cumin or smoked paprika for a different flavor dimension.
  2. Creamy Consistency: The key to a creamy casserole is the sauce. Make sure to whisk the flour and vegan butter mixture well to avoid lumps. Adding the soy milk gradually while whisking helps create a smooth, velvety sauce.
  3. Cheese Topping: To get that perfect golden-brown cheese topping, remove the foil during the last 10 minutes of baking. This allows the vegan cheese to melt beautifully and develop a slight crust.
baking dish filled with vegan potato broccoli casserole

💭Frequently Asked Questions

Can I Make This Casserole Ahead of Time?

Yes, you can! One of the great things about this casserole is its convenience. Prepare it up to the point of baking, cover it tightly with foil, and store it in the refrigerator. When you’re ready to bake, simply pop it in the oven and follow the remaining steps.

What Other Vegetables Can I Use?

While potatoes and broccoli are a classic combination, feel free to get creative. Cauliflower, carrots, and green beans can easily be substituted or added to the mix. Just make sure to adjust the steaming time accordingly.

How Do I Store Leftovers?

Store any leftover casserole in an airtight container in the refrigerator for up to 3 days. To reheat, place portions in the oven at 350°F until warmed through, or use a microwave for a quicker option.

casserole dish filled with vegan potato broccoli casserole on a table

🥘More Easy Casseroles

Casseroles are the ultimate comfort food, but are often traditionally filled with meats and dairy. But by using plant-based alternatives and creative substitutions, there are some that you can enjoy without compromising on taste or texture. Below are some of my favorite veggie-filled casserole dishes that are perfect for vegan conversion, ensuring that you and your loved ones can indulge in these satisfying meals.

  • Green Bean Casserole
  • Asparagus Casserole
  • Cheesy Corn Casserole
  • Cauliflower Casserole
  • Scalloped Potato Casserole
  • String Bean and Mushroom Casserole
  • Spinach Casserole

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