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Home » Recipes » Side dishes

Green Bean Casserole (Dairy Free + Gluten Free)

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Published: Nov 5, 2021 · Modified: Mar 10, 2025 by Sara · This post may contain affiliate links

Finally, a Green Bean Casserole that is Dairy Free and Gluten Free! Made with a creamy cashew sauce and topped with homemade crispy onions for the win!

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Green Bean Casserole Dairy Free and Gluten Free

Thanksgiving is just a few short weeks away and I’m so looking forward to it! It’s definitely one of my favorite holidays.

It’s the time of year when I can eat all of my favorite comfort foods like turkey with gravy, mashed potatoes and of course the green bean casserole!

When I went gluten free years ago I thought I could never eat green bean casserole again. Usually it’s made with cream of mushroom soup and breaded onions which of course have wheat.

So I decided to create my own concoction to keep it gluten free for me and dairy free for my son. And let me tell you… this turned out way better than the original version! It does take a little more time to make, but it is totally worth it! I call it a labor of love.

Green Bean Casserole

Green Bean Casserole Ingredients

  • 3/4 cup Raw Cashews
  • 3 Medium Sweet Onions divided
  • 1/2 cup Rice Flour
  • 1/2 cup Gluten Free Panko
  • 1 Tbs + 2 tsp Sea Salt divided
  • 3 Slices Thick Cut Bacon
  • 4 Garlic Cloves finely chopped
  • 8 oz Mushrooms sliced
  • 1/4 cup White Cooking Wine
  • 1 cup Vegetable Broth
  • 2 tsp Pepper
  • 2 lbs Fresh Green Beans
  • Cooking Spray

Making the Green Bean Casserole Dairy Free

The main dairy ingredient to replace in a classic Green Bean Casserole is the milk and canned soup. I did this by creating a super yummy and creamy Cashew Sauce.

Making the Green Bean Casserole Gluten Free

Typically a classic Green Bean Casserole has French fried onions in it which of course has gluten. Lately I have spotted gluten free French fried onions, but I think the homemade fried onions taste so much better!

Green Bean Casserole in a skillet

How to Make Gluten Free Dairy Free Green Bean Casserole

Start by adding Cashews to a heat proof bowl and cover with boiling water, let soak for at least a half hour. I use a glass measuring cup for this.

Preheat oven to 475 F. With a mandoline thinly slice 2 of the Onions, you want them paper thin. Add sliced Onions, 1 tsp Sea Salt, Rice Flour and Panko to a large ziplock bag and shake well so the Onions get coated.

Spray a large baking pan with cooking spray. Place Onion mixture onto the pan in thin layers spreading them out as much as you can.

Bake 10-15 minutes, flipping half way through and keep an eye on them during the last few minutes so they don’t burn. Once Onions are done, set them aside and turn oven down to 350 F.

Green Bean Casserole on a plate with turkey

Fill a sauce pan big enough to hold the green beans with water 3/4 full. Bring to a boil and add 1 Tbs Salt and Green Beans. Cook for 5 min, drain and fill with cold water and plenty of ice, this will keep them from cooking more, set aside. While the Beans are cooking start the Bacon.

In a 12 inch Cast Iron or oven safe Skillet add the Bacon and cook over medium heat until crispy. Remove, place on paper towels and set aside. Once they are cool chop them up into bite size pieces.

Chop the remainder Onion and add to the Bacon greased pan. Sauté 2-3 min then add Garlic and Mushrooms. Sauté 2-3 min, add the Cooking Wine and let it cook down 3-4 min. Remove from heat, add in Vegetable Broth, Green Beans, 1/4 of the crispy Onions, Bacon, 1 tsp Sea Salt, 2 tsp Pepper.

Green Bean Casserole on a plate

In a high speed blender add the Cashews in water and blend until creamy. Add the Cashew sauce to the pan. Mix everything together and top with remaining crispy Onions. Bake for 20 minutes. Remove and serve immediately.

Other Thanksgiving Recipes that pair with Green Bean Casserole:

Roasted Cornish Game Hens

Instant Pot Turkey Breast

Instant Pot Mashed Potatoes

Roasted Whipped Parsnips

Butternut Squash and Kale Stir Fry with Maple Vinaigrette

Roasted Acorn Squash Stuffed with Sage Mushrooms and Cranberries

Warm Quinoa Sweet Potato Kale Salad with Goji Berries

Green Bean Casserole

If you try this recipe let me know what you think! Leave a comment below, rate it, share it on social media, or take a picture and tag it tastefulventure on Instagram! I LOVE seeing what you guys cook up. ?

Cheers!

Can I make Green Bean Casserole ahead of time?

You can prep a lot of this ahead of time. You can make the Cashew Sauce, Crispy Fried Onions, Bacon, and Blanched Green Beans the day before and refrigerate until you’re ready to make this. 

Can I use canned or frozen Green Beans?

We prefer Fresh Green Beans for this, it just tastes so much better. However you can use canned or frozen Green Beans. If you use canned just drain before adding them in. If you use frozen Green Beans just thaw them out before adding.

Do I cover the Green Bean Casserole when baking it?

No do not cover, this way it gets nice and crispy.

Green Bean Casserole (Dairy Free + Gluten Free)

Sara
Finally, a Green Bean Casserole that is Dairy Free and Gluten Free! Made with a creamy cashew sauce and topped with homemade crispy onions for the win!
Print Recipe Pin Recipe
Prep Time 15 minutes mins
Cook Time 1 hour hr
Total Time 1 hour hr 15 minutes mins
Course Side Dish
Cuisine American
Servings 6
Calories 388 kcal

Ingredients
  

  • 3/4 cup Raw Cashews
  • 3 Medium Sweet Onions divided
  • 1/2 cup Rice Flour
  • 1/2 cup Gluten Free Panko
  • 1 Tbs + 2 tsp Sea Salt divided
  • 3 Slices Thick Cut Bacon
  • 4 Garlic Cloves finely chopped
  • 8 oz Mushrooms sliced
  • 1/4 cup White Cooking Wine
  • 1 cup Vegetable Broth
  • 2 tsp Pepper
  • 2 lbs Fresh Green Beans
  • Cooking Spray

Instructions
 

  • Add Cashews to a heat proof bowl and cover with boiling water, let soak for at least a half hour
  • Preheat oven to 475 F
  • With a mandoline thinly slice 2 of the Onions
  • Add sliced Onions, 1 tsp Sea Salt, Rice Flour and Panko to a large ziplock bag and shake well so the Onions get coated
  • Spray a large baking pan with cooking spray
  • Place Onion mixture onto the pan in thin layers spreading them out as much as you can
  • Bake 10-15 minutes, flipping half way through and keep an eye on them during the last few minutes so they don’t burn
  • Once Onions are done, set them aside and turn oven down to 350 F
  • Fill a sauce pan big enough to hold the green beans with water 3/4 full
  • Bring to a boil and add 1 Tbs Salt and Green Beans
  • Cook for 5 min, drain and fill with cold water and plenty of ice, this will keep them from cooking more, set aside
  • While the Beans are cooking start the Bacon
  • In a 12 inch Cast Iron or oven safe Skillet add the Bacon and cook over medium heat until crispy
  • Remove, place on paper towels and set aside
  • Once they are cool chop them up into bite size pieces
  • Chop the remainder Onion and add to the Bacon greased pan
  • Sauté 2-3 min then add Garlic and Mushrooms
  • Sauté 2-3 min, add the Cooking Wine and let it cook down 3-4 min
  • Remove from heat, add in Vegetable Broth, Green Beans, 1/4 of the crispy Onions, Bacon,  1 tsp Sea Salt, 2 tsp Pepper
  • In a high speed blender add the Cashews in water and blend until creamy
  • Add the Cashew sauce to the pan
  • Mix everything together and top with remaining crispy Onions
  • Bake 20 minutes
  • Remove and serve immediately
  • Enjoy!

Notes

You can prep a lot of this ahead of time. You can make the Cashew Sauce, Crispy Fried Onions, Bacon, and Blanched Green Beans the day before and refrigerate until you’re ready to make this.
If the Cashew Sauce looks too thick, just add a little more water and blend.

Nutrition

Calories: 388kcalCarbohydrates: 52gProtein: 12gFat: 16gSaturated Fat: 4gPolyunsaturated Fat: 3gMonounsaturated Fat: 7gTrans Fat: 0.02gCholesterol: 16mgSodium: 2294mgPotassium: 853mgFiber: 7gSugar: 15gVitamin A: 1135IUVitamin C: 27mgCalcium: 110mgIron: 3mg
Keyword dairy free green bean casserole, gluten free green bean casserole, Green Bean Casserole, green beans, holiday side dish, side dish, Thanksgiving side dish
Tried this recipe?Let us know how it was!

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Welcome!

Hi! I’m Sara, and welcome to Tastefulventure! Here at Tastefulventure I’ve been testing gluten free recipes for over 11 years in hopes of sharing everything I’ve learned with you. I’m a foodie who loves to experiment with many different ingredients. 

More about me

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