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Vegan Green Bean Casserole

Posted on 10/31/2023

in Recipes & Menu Inspiration

by Green Paper Products

vegan green bean casserole

Vegan Green Bean Casserole

Get ready to elevate your holiday table with a delicious and comforting dish—our Vegan Green Bean Casserole. This plant-based twist on a beloved classic captures the essence of creamy, savory goodness while keeping it entirely vegan-friendly. Tender green beans are enveloped in a rich, mushroom-infused sauce, creating a harmonious blend of flavors and textures that will have everyone reaching for seconds. Whether you're planning a special occasion or simply craving a hearty side dish, this Vegan Green Bean Casserole is the perfect addition to your culinary repertoire.


For the Green Bean Casserole:

  • 1 pound fresh green beans, trimmed and cut into bite-sized pieces

  • 1 1/2 cups sliced mushrooms (cremini or white mushrooms work well)

  • 1 small onion, finely chopped

  • 2 cloves garlic, minced

  • 2 tablespoons olive oil

  • 2 tablespoons all-purpose flour (or a gluten-free alternative)

  • 1 1/2 cups unsweetened almond milk (or any plant-based milk)

  • 1 teaspoon soy sauce or tamari (for umami flavor)

  • 1/2 teaspoon dried thyme

  • Salt and black pepper to taste

  • 1 1/2 cups crispy fried onions

For the Crispy Fried Onions:

  • 1 large onion, thinly sliced

  • 1/2 cup all-purpose flour

  • 1/2 cup unsweetened plant-based milk

  • Salt and black pepper to taste

  • Vegetable oil for frying


1. Prepare the Crispy Fried Onions:

  • In a bowl, mix the flour, plant-based milk, salt, and black pepper to create a batter.

  • Dip the thinly sliced onions into the batter until coated.

  • Heat vegetable oil in a deep skillet or pan over medium-high heat.

  • Carefully fry the battered onions until they become crispy and golden brown. Remove and drain on paper towels.

2. Blanch the Green Beans:

  • Bring a large pot of water to a boil. Add the green beans and cook for 2-3 minutes until they become bright green and slightly tender.

  • Drain the green beans and immediately transfer them to a bowl of ice water to stop the cooking process. Drain again and set aside.

3. Make the Mushroom Sauce:

  • In a large skillet, heat the olive oil over medium heat. Add the chopped onion and sauté until translucent, about 3-4 minutes.

  • Add the minced garlic and sliced mushrooms, and sauté for an additional 5-7 minutes, or until the mushrooms release their moisture and start to brown.

  • Sprinkle flour over the mushroom mixture and stir to combine. Cook for 1-2 minutes to eliminate the raw flour taste.

  • Slowly whisk in the almond milk, soy sauce, dried thyme, salt, and black pepper. Cook, stirring continuously, until the sauce thickens, about 5-7 minutes.

4. Assemble the Casserole:

  • Add the blanched green beans to the mushroom sauce and stir to coat them evenly.

  • Transfer the mixture to a greased casserole dish.

5. Bake:

  • Preheat your oven to 350°F (175°C).

  • Bake the green bean casserole for 20-25 minutes or until it's hot and bubbly.

6. Add Crispy Fried Onions:

  • If you made crispy fried onions, sprinkle them evenly over the casserole.

  • Return the casserole to the oven for an additional 5 minutes to heat the onions.

7. Serve:

  • Let the casserole cool slightly before serving. Enjoy your Vegan Green Bean Casserole as a delightful side dish for any occasion!

This vegan twist on a classic green bean casserole is sure to please both vegans and non-vegans alike. It's creamy, flavorful, and the crispy fried onions on top add a delightful crunch to every bite.

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