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

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ByLaura Lawless, BASc Published Last updated

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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)

More recipes you may like

  • Green Beans Almondine
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  • Apple Almond Quinoa Salad
  • Instant Pot Cauliflower Mash

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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! ↑

Servings 6

Calories 202

Prep Time 10 minutes mins

Total Time 40 minutes mins

Ingredients

For the cashew cream

  • 1/2 cup cashews, soaked (for time-saving tip, see note 1)
  • 1 cup vegetable broth

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

FAQs

What can I substitute for cream of mushroom in green bean casserole? ›

Instead of condensed cream of mushroom soup, this recipe utilizes an irresistible sour cream sauce thickened with flour and butter. The creamy, tangy mixture adds tons of richness and flavor — so there's no need for any store-bought soup.

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.

Why is my green bean casserole always runny? ›

Green bean casserole should have a nice thick sauce that coats the green beans—it should not resemble soup. One common cause of a watery casserole is not adding enough thickener, such as flour or cornstarch, to your sauce.

What is the best substitute for cream of mushroom? ›

Cream of chicken soup is arguably the most popular substitute for cream of mushroom soup, especially if you're making a creamy sauce or a casserole. First, the consistency does not deviate too far from cream of mushroom. Secondly, you get the same saltiness.

What can I use instead of cream of mushroom? ›

I hate cream of mushroom soup! I use cream of chicken or cream of celery instead. If you're asking what you'd use instead of a canned soup, that's more complicated (but not difficult to do). You'd make a white sauce (flour + milk) and flavor it to your preference.

Should green bean casserole be soupy before cooking? ›

Green Bean Casserole from Scratch FAQs

Cover and freeze until you are ready to bake. You can bake start from frozen without adding the onions until the casserole has already baked for about 20 minutes. Should green bean casserole be soupy? No, your green bean casserole should not be soupy.

Can you overcook green bean casserole? ›

Overcooking the beans won't just drain them of their appealing color, but it will also make them too soft and mushy, resulting in a less appetizing casserole.

Which is better frozen or canned green beans for green bean casserole? ›

When I make green bean casserole, I skip canned beans all together. Frozen green beans are the best green beans to use for green bean casserole.

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.

How much is 4 cups of green beans? ›

✿ 4 cups of green beans is about 1½ pounds fresh or 16 ounces frozen or 2 cans (15 ounces each) drained.

Do most people like green bean casserole? ›

Instacart conducted a survey with The Harris Poll and found that a majority of Americans, 69%, secretly dislike some classic Thanksgiving food but eat it anyway because of tradition. The top offenders were: Canned cranberry sauce (29%) Green bean casserole (24%)

How do you make green bean casserole not soggy? ›

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.

Is green bean casserole better the next day? ›

If you're lucky enough to have any leftovers, Green Bean Casserole is delicious when reheated! Just know that the fried onions won't be crisp after being stored. But that's ok--simply sprinkle the casserole with a few more after heating. It will be a comforting addition to any lunch or leftovers dinner night.

Why isn t my green bean casserole thickening? ›

Add a thickener

The extra thickening should thicken the sauce, and if the mixture is still runny, repeat the process. The site also reports that you should use 1 tbsp of corn starch if thickening a small portion and up to 4 tbsp of corn starch for large batches.

What can I use instead of cream in a casserole? ›

Alt milk + oil

In general you'll want to use ⅔ cup of milk and ⅓ cup of oil for each cup of heavy cream, and you can use this substitute in both cooking and baking recipes.

What can I substitute for heavy cream in a casserole? ›

The 10 Best Substitutes for Heavy Cream
  • Milk and butter.
  • Soy milk and olive oil.
  • Milk and cornstarch.
  • Half-and-half.
  • Tofu and soy.
  • Yogurt and milk.
  • Evaporated milk.
  • Cottage cheese and milk.

What can I use instead of cream of chicken or cream of mushroom? ›

I use chicken broth for the cream of chicken soup substitute. To make a heartier soup, like the cream of mushroom, I use beef broth. Sometimes I like to add in a little shredded chicken, sliced mushrooms, celery, etc.

Can cream of chicken replace cream of mushroom? ›

There are lots of great recipes that'll work with this substitute for cream of mushroom soup, and I've listed some below. A few of these use cream of chicken soup, which is pretty interchangeable with the mushroom soup.

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