Vegan Green Bean Casserole (without mushrooms) - The Recipe Well (2024)

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This gorgeous, creamy Vegan Green Bean Casserole is the perfect addition to your plant-based holiday meal. Made with fresh green beans and without canned soup or mushrooms, this easy side dish is a crowd pleaser!

If you’re looking for more side dish ideas, you might like my Roasted Potatoes and Green Beans!

Vegan Green Bean Casserole (without mushrooms) - The Recipe Well (1)

Vegan Green Bean Casserole

Are you a vegan or vegetarian that dislikes mushrooms, or someone that just needs to avoid dairy? If so, this vegan green bean casserole is for you. With tender-crisp green beans, a beautiful creamy vegan sauce and a crispy topping, you and your guests will love this easy side dish!

This version doesn’t use soup as a base for the sauce, but I do use one shortcut store-bought ingredient: crispy fried onions. I want my holiday sides to be easy as possible, so I can focus my time on the main dish. That’s the type of food you’ll find on this website: shortcuts here and there, but mostly healthy and mostly from scratch!

Ingredients

Here’s an overview for what you need to make Vegan Green Bean Casserole. See the recipe card below for all the details!

  • Unsalted cashews – the base of the creamy sauce
  • Vegetable broth
  • French string beans (haricots verts) or regular green beans – 1.5 pounds
  • Olive oil
  • Shallot
  • Garlic
  • All-purpose flour – to thicken the sauce
  • Soy sauce
  • White wine vinegar
  • Salt and pepper
  • Crispy fried onions – I used a store brand, found near the salad dressings
Vegan Green Bean Casserole (without mushrooms) - The Recipe Well (2)

How to make it

Step one: Prep the oven and Make the cashew cream

  • Preheat the oven to 350 °F and lightly grease a 2.5-quart (2.3 litre) casserole dish. Bring a large pot of heavily salted water to a boil.
  • Blend the soaked cashews and 1 cup of vegetable broth in a high speed blender, until smooth and creamy.

Step Two: blanch the string beans

  • Once the salted water is boiling, add the string beans and cook for 2-2.5 minutes until tender crisp. If using regular green beans you may need to cook for up to 4 minutes.
  • While the beans are cooking, prepare an ice bath in a large bowl. I use a full tray of ice cubes and enough water to submerge the beans. Once the beans are done cooking, drain and place in the ice bath.

Step three: Prepare the vegan cream sauce

  • In a large non-stick skillet, heat olive oil over medium heat. Sauté the shallot until turning translucent, then add the garlic and continue to sauté for another 30 seconds until fragrant, stirring continuously. Sprinkle the flour over the shallot/garlic mixture and stir until they’re well coated.
  • Slowly whisk in the 1 1/4 cups of vegetable broth. We want to ensure the flour gets well dispersed in the broth so it thickens the sauce and doesn’t clump. Add the soy sauce, white wine vinegar and salt/pepper. Continue to whisk until thickened (about 4 minutes in total from when you started whisking).
  • Add the cashew cream and stir until well combined.

Step four: Assemble the casserole and bake

  • Drain the green beans from the ice bath and add to the skillet with the cream sauce. Gently toss the beans until they’re well coated (I use silicone tongs to make this easier). Transfer to the greased casserole dish, top with crispy fried onions and bake for about 20 minutes or until the edges are starting to turn golden.
  • Vegan Green Bean Casserole (without mushrooms) - The Recipe Well (4)
  • Vegan Green Bean Casserole (without mushrooms) - The Recipe Well (5)

Frequently asked questions

Can vegan green bean casserole be made ahead of time?

Yes! To make ahead, follow the instructions up until assembly, but don’t top with the crispy fried onions. Allow the casserole to cool, then cover and store in the refrigerator for up to 3 days. When you’re ready to bake, top with the crispy fried onions and bake uncovered in the oven for about 25 minutes, or until the edges start to turn golden brown.

How do I reheat it?

If reheating in the casserole dish, cover with tin foil and bake in the oven at 350 °F for 20-30 minutes, until heated through. If reheating individual portions, you can microwave it for 1-2 minutes.

Vegan Green Bean Casserole (without mushrooms) - The Recipe Well (6)

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Vegan Green Bean Casserole (without mushrooms) - The Recipe Well (7)

Vegan Green Bean Casserole

Laura Lawless, BASc

This gorgeous, creamy Vegan Green Bean Casserole is the perfect addition to your plant-based holiday meal. Made without canned soup or mushrooms, this easy side dish is a crowd pleaser!

5 from 2 votes

Click stars to rate now! ↑

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Servings 6

Calories 202

Prep Time 10 minutes mins

Total Time 40 minutes mins

Ingredients

For the cashew cream

For the casserole

Instructions

  • Preheat oven to 350 °F and lightly grease a 2.5-quart (2.3 litre) casserole dish. In a large pot, bring heavily salted water to a rolling boil.

  • Make the cashew cream. Add the soaked cashews and 1 cup of broth to a high speed blender and blend until smooth and creamy.

  • Make the string beans. Once the water is boiling, add the string beans and cook for 2-2.5 minutes (see note 2 if using regular green beans). In a large bowl, prepare an ice bath (I use a full tray of ice cubes and enough water to submerge the cooked beans). When the beans are done cooking, drain immediately and transfer the cooked beans to the ice bath.

  • Make the vegan cream sauce. In a large non-stick skillet, heat the olive oil over medium heat. Add the shallot and sauté until turning translucent. Add the minced garlic and continue to sauté for another 30 seconds, until fragrant. Sprinkle the flour over the shallot and garlic and stir until the shallots are well coated, then slowly whisk in the broth so the flour is well distributed and starts to thicken the sauce. Add the soy sauce, white wine vinegar and sea salt. Continue to whisk as the mixture thickens (total whisking time will be 3-4 minutes). Add the cashew cream and stir until well combined.

  • Assemble and bake the casserole. Drain the beans from the ice bath and add them to the skillet with the cream sauce. Carefully toss until the beans are evenly coated (I use silicone tongs to make this easier), then transfer the mixture to the greased casserole dish. Top with the crispy fried onions and bake for about 20 minutes or until the edges are starting to turn golden.

Notes

  1. To soak cashews quickly, soak in boiled water for about 20 minutes.
  2. To substitute regular green beans, blanch for about 4 minutes (or until tender, but still crisp) and proceed with the rest of the recipe as directed.
  3. This casserole can be made up to 3 days ahead of time. Assemble the casserole as directed, but leave off the crispy fried onions and don’t bake. Store covered in the refrigerator. When your’e ready to bake it, top with the crispy fried onions and bake for about 25 minutes or until heated through and the edges are turning golden.

Nutrition Estimate

Calories: 202kcal | Carbohydrates: 21g | Protein: 5g | Fat: 12g | Saturated Fat: 3g | Sodium: 588mg | Potassium: 330mg | Fiber: 4g | Sugar: 5g | Vitamin A: 887IU | Vitamin C: 15mg | Calcium: 49mg | Iron: 2mg

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Hey, I’m Laura!

Creator of The Recipe Well

If you’re looking for easy meals and Instant Pot recipes, you’re in the right place! I use my nutrition degree to create simple, approachable recipes that will help you find your happy place in the kitchen.

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Vegan Green Bean Casserole (without mushrooms) - The Recipe Well (2024)

FAQs

Why is my green bean casserole bland? ›

The Casserole Is Bland

Another one of the most common green bean casserole mistakes is to choose a recipe that's a bit too simple, which can result in a bland dish.

How to keep green bean casserole from being runny? ›

If you don't, the excess water from the beans can leak out into the casserole and make it thin and runny. If you sense it's a little watery, "add a thickener like roux or starch to absorb the additional liquid or cook a little longer," she says. That'll give it that rich, dense consistency you're looking for.

What to use instead of fried onions in green bean casserole? ›

I took one shortcut with the topping and used crushed high-quality potato chips instead of fried onions. That means this recipe is significantly easier to make than home-fried onions, and it's easy to make it gluten free.

Is green bean casserole better with canned or fresh? ›

"Canned green beans are very soft and delicate," Malarkey says. "They tend to mush up while mixing, and I like a little crunch to my green bean casserole." The other two pros we spoke with agreed. When presented with the choice of fresh or frozen green beans for green bean casserole, frozen came out on top.

How can I improve my casserole flavor? ›

Casseroles can really shine when they achieve a harmonious balance of flavors. Sweet, salty, spicy, and acidic elements should blend well and complement each other. Add ingredients like caramelized onions, olives, or lemon zest to give your casserole a depth of flavor.

Should green bean casserole be soupy before cooking? ›

Mistake No.

Green bean casserole should have a nice thick sauce that coats the green beans—it should not resemble soup.

How to make a casserole less soupy? ›

Whisk together equal parts cornstarch and cold water in a small bowl. 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.

How long can green bean casserole stay in the fridge before cooking? ›

Stir fresh green beans into a béchamel-style creamy mushroom sauce, then top with slivered almonds & iconic crispy French fried onions. So easy & no canned mushroom soup required! Prep up to 2 days in advance, then bake until bubbling at dinnertime.

Which onions are best for casseroles? ›

Yellow onions are perfect for stews, soups, barbecues, roasts and sauces. Avoid eating them raw as they have a strong flavour.

Should you cook onions before putting in casserole? ›

To prevent a soupy casserole, be sure to fully thaw any frozen vegetables in a colander over a bowl, and pat dry, squeeze excess moisture out of greens like spinach or chard, and quickly precook watery fresh vegetables like onions, mushrooms or squashes just until they release their moisture.

Does anybody like green bean casserole? ›

Unless you like leftovers, then you should make as much green bean cassrole as you want. That's because according to a new Harris Poll survey for Instacart, 24% of people say green bean casserole is their least favorite Thanksgiving food.

How to thicken up green bean casserole? ›

Start making a slurry, a tool for thickening sauces, by whisking a small amount of cornstarch or flour with water or broth. Whisk until there aren't visible lumps. It should be thick but drizzly in consistency. As you constantly stir, add small amounts of the slurry to the filling.

Why do Americans eat green bean casserole? ›

How It Became a Holiday Staple. Green bean casserole was considered a perfect dish for holiday entertaining because it was simple, inexpensive, and could easily be made ahead of time. It became known as a "jiffy casserole" because it went from one bowl to one pan.

Should you rinse canned green beans? ›

Rinsing beans can improve the flavor and texture of the final dish and can help cut down on how much gas they produce. So, for your culinary success and intestinal comfort, give those canned beans a rinse unless your recipe specifically says not to.

Why are my green beans bland? ›

On the other hand, green beans cooked in unsalted water take longer to cook and come out bland and dull. Here's how you can see the science in action: Add ¼ cup of table salt and 1 pound of trimmed green beans to 2 quarts of boiling water. Return the water to a boil, and cook for 6 minutes.

What to add to a bland casserole? ›

Fresh herbs or citrus zest can also punch up flavors with a bit of welcome brightness for a long-cooked dish, as can adding some heat in the form of a dash of hot sauce, a generous pinch of minced or sliced fresh chili pepper, or a shake of red pepper flakes.

How do you fix bland beans? ›

Toss drained/rinsed/dried beans with a bit of olive oil (or avocado oil) and your favorite seasonings. You can add crushed whole seeds (coriander, cumin, fennel, mustard, etc.), woodsy herbs (thyme, oregano, rosemary, sage), red pepper flakes, crushed garlic cloves, and of course salt and pepper.

How to add flavor to canned green beans? ›

Drain one can of the green beans. Empty both cans in to a medium sauce pan and add onions, bacon bits, salt and pepper. Cover and cook on medium heat for about 10 minutes. The trick is to let it bubble and DO NOT take the lid off.

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