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
  • Creamy Vegan One-Pot Pasta
  • Pasta with Creamy Vegan Butternut Squash Sauce
  • Apple Almond Quinoa Salad
  • Instant Pot Cauliflower Mash

⭐️⭐️⭐️⭐️⭐️ If you enjoyed this recipe, please leave a review below! You can alsosubscribe to my newsletter and follow on Facebook, Instagram and TikTok to see the latest recipes and meal inspiration!

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 (8)

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.

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

FAQs

How do I thicken up my green bean casserole? ›

Before you add your topping, try to thicken the casserole with flour or cornstarch so the topping sits on top and doesn't sink to the bottom. If you're freeing up your oven by making your casserole in a slow cooker or a pressure cooker (like an Instant Pot), don't add your topping until it hits the serving dish.

How do you keep green bean casserole from being 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 foodborne illness can you get from green bean casserole? ›

Green bean casserole

These are all potential signs of Clostridium botulinum, a bacterium that produces the dangerous botulism toxin.

What can I use to thicken a casserole? ›

The three main thickening agents for gravies are flour, cornflour and arrowroot. The first two are normally used in savoury dishes while arrowroot tends to be used in sweet dishes – that said, arrowroot will work in a savoury dish as it has no flavour.

How to fix watery casserole? ›

Make a cornstarch slurry for a fast and easy thickener.

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. Then, let the casserole finish baking.

Is green bean casserole better with canned or fresh? ›

this is a great classic Thanksgiving side dish! Are frozen or canned green beans better for green bean casserole? This green bean recipe uses the fresh kind, but frozen are your next best bet. Canned green beans are too mushy and will fall apart, so don't use those if at all possible.

How to make a casserole less soupy? ›

Or better yet, avoid them altogether.
  1. Add A Starch. Cornstarch in wooden bowl - NIKCOA/Shutterstock. ...
  2. Experiment With Pasta Or Grains. ...
  3. Take The Lid Off. ...
  4. Drain Fat From Meat. ...
  5. Choose A Dry Or Low-Fat Cheese. ...
  6. Sprinkle Seeds Into Your Bake. ...
  7. Remove Excess Liquid. ...
  8. Leave The Casserole In The Oven A Bit Longer.
Oct 29, 2023

What is the difference between French style green beans and regular green beans? ›

French green beans (also called Haricots Verts) are slightly longer and skinnier than regular green beans and may be a little bit more expensive. They are harvested earlier then regular green beans, so they are thought to be more tender and more flavorful.

Why do French cut green beans taste better? ›

The main different is the texture. Because French cut green beans are sliced so thinly they cook up silky and tender. The slicing also turns the veggie from a tube to a strip, which helps the beans absorb the flavors they're cooked with (more on that below).

Why is my green bean casserole soggy? ›

Your Crispy Onion Topping Is Soggy

Yet it's one of the most common green bean casserole mistakes a home chef can make. If this happens to you, it may be due to adding that topping too early; toppings should be added at the very end of the cooking process, shortly before you pull it out of the oven.

Is it safe to eat green bean casserole left out overnight? ›

Throw away all perishable foods that have been left in room temperature for more than 2 hours (1 hour if the temperature is over 90° F, such as at an outdoor picnic during summer).

Can you get sick from eating too many green beans? ›

Lectins are proteins present in green beans that help bind carbohydrates. Lectins cause digestive problems such as nausea, vomiting, bloating, and diarrhea. Cooking beans neutralizes the lectin, making them safe to eat, improves taste, and increases antioxidant levels.

Do people still eat green bean casserole? ›

Green Bean Casseroles are served at 20 million Thanksgiving dinners every year.

How do you thicken watery beans? ›

If your beans are still too watery after prolonged cooking and mashing, consider adding a thickener like cornstarch, all-purpose flour, or arrowroot. To do this, first, make a slurry of equal parts thickener and water, then slowly add it to your refried beans. They should thicken considerably.

How much cornstarch to thicken casserole? ›

Use one tablespoon cornstarch mixed with one tablespoon cold water (aka a cornstarch slurry) for each cup of medium-thick sauce. Thoroughly mix the cornstarch and water together, then pour into your sauce. Cook and stir over medium heat until thickened and bubbly.

How to thicken green beans? ›

To ensure this flavor-packed sauce clings to the green beans, we add corn starch as our thickener. It helps forms a thicker glaze. If you find the sauce too thick for your liking, you can always add a touch of water to reach your desired consistency!

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