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Sides

Green Bean Skillet Casserole (Dairy Free, Vegan Option)

The classic Thanksgiving side dish gets a dairy-free makeover in this green bean skillet casserole, mushrooms are optional. Makes 8 servings.

overhead shot, close up of cast iron skillet with dairy free green bean casserole with a serving spoon with wooden handle

I know it feels like Thanksgiving is a million months away still, but before you know it, it the trees will have lost their leaves and we’ll all be scrambling to figure out what we’re contributing to our Thanksgiving dinners. It can be even harder if you’re living dairy free, but this green bean skillet casserole is the dish you should make. It’s the best way to make sure you aren’t going to leave hungry – or sick – and,  you won’t have to miss out on a classic Thanksgiving dish. Plus, it has vegetables, so that makes it healthy, right?

Personally, I have never been a big fan of mushrooms, so I choose to leave them out, but if you wanted to add mushrooms to this dish, you could sauté some chopped mushrooms with the onion. This would not only give you more volume for your dish, it would add even more flavor (flavor that I don’t really care for, but flavor all the same). So mushrooms or no mushrooms. It’s your decision.

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cast iron skillet with dairy free green bean casserole with a serving spoon with wooden handle

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Here’s what you’ll need to make this green bean casserole:

 

woman at a kitchen counter trimming fresh green beans with a pair of scissors, trimmed green beans on a cutting board

Using a skillet for this dairy free green bean casserole is also a totally optional thing. If you want to transfer the green beans and sauce to a casserole dish before baking, go for it. I think this would be especially helpful if you’re bring the casserole somewhere, because cast iron skillets can get quite heavy. If you’re making it at home though, this is the cast iron is way to go. You only dirty one pan, and that can be a game changer if you’re hosting Thanksgiving dinner. Nobody likes dishes, right?

How do you make green bean casserole with fresh green beans?

Mise en place. Get everything ready first so you aren’t scrambling later. Chop one onion and minced some garlic. Trim the ends from your green beans and cut them into 2- or 3-inch pieces. Measure your liquids, your flour and your crispy onions.

woman at a kitchen counter chopping an onion, with a bowl of fresh green beans next to the cutting board

Stovetop prep. Heat a large oven-proof skillet to medium high. Add the olive oil, onion and garlic with a pinch of coarse salt. If you want to put chopped mushrooms in your green bean casserole, add them now (about 1 cup). Cook the onions, stirring occasionally, until they’re soft and translucent.

Make the sauce. Add the flour and stir until it absorbs all the excess oil. Then, slowly whisk in the liquids, one at a time, until everything is nice and smooth.

Add the green beans and stir to coat them evenly in the creamy sauce. Top it all with crispy, french-fried onions, and transfer to the oven. Bake, uncovered for 15 – 20 minutes. Give your casserole time to cool before serving, about 10 minutes.

a serving spoon holding dairy free green bean casserole above a skillet

Make ahead tips for dairy free green bean casserole

If you want to make your green bean casserole ahead of time, prepare everything except the crispy onions. Cover the casserole and refrigerate until you’re ready to bake. Let it come to it’s almost room temperature, top with onions and bake for 15 – 20 minutes.

Ingredient Substitutions and Variations

  • Gluten free: Use 1 1/2 tablespoons cornstarch instead of the all-purpose flour, gluten free broth and gluten free french fried onions.
  • Vegan: Use vegetable broth instead of chicken broth.
  • Nut free: Use coconut or hemp milk instead of the almond milk.

More dairy free Thanksgiving basics: vegan scalloped potatoes / dairy free pumpkin pie / homemade stuffing

overhead shot of a cast iron skillet with dairy free green bean casserole with a serving spoon with wooden handle, blue and white striped towel around the handle

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cast iron skillet with dairy free green bean casserole with a serving spoon with wooden handle

Green Bean Skillet Casserole

  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 40 minutes
  • Yield: 8 servings

Description

This is the easiest, dairy free green bean casserole and you’ll only dirty one pan making it. Make it vegan with vegetable broth.


Ingredients

  • 1 1/2 pound green beans, trimmed and halved
  • 2 tablespoons olive oil
  • 2 teaspoons minced garlic
  • 3 tablespoons all-purpose flour
  • 3/4 cup chicken or vegetable broth
  • 1 1/4 cup almond milk
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon coarse salt
  • 1/4 teaspoon black pepper
  • 2 cups fried onions

Instructions

  1. Preheat oven to 400˚F.
  2. Bring a large pot of salted water to a boil. Blanch green beans for about 4 minutes, or until bright green and slightly tender. Drain.
  3. Heat 2 tablespoons olive oil in a 12-inch cast iron skillet *affiliate link over medium-high heat. Add garlic and sauté until fragrant, about 30 seconds.
  4. Whisk in flour until a roux has formed. Slowly add broth, whisking into the roux until smooth. Add almond milk and continue to whisk. Add onion powder, salt and pepper.  Bring sauce to a simmer and allow it to thicken, about 5 minutes. Adjust seasoning with salt and pepper, if desired.
  5. Stir in green beans and 1/2 cup onions until evenly coated in sauce. Top casserole with remaining onions and bake for 15 minutes, or until sauce is bubbling and onions have browned. Remove from oven and allow to cool for about 10 minutes before serving.

Nutrition
  • Calories: 0
  • Sugar: 0 g
  • Sodium: 0 mg
  • Fat: 0 g
  • Saturated Fat: 0 g
  • Unsaturated Fat: 0 g
  • Trans Fat: 0 g
  • Carbohydrates: 0 g
  • Fiber: 0 g
  • Protein: 0 g
  • Cholesterol: 0 mg
Dairy Free Green Bean Skillet Casserole | dairy free green bean casserole, green bean casserole recipe, vegan green bean casserole, dairy free Thanksgiving recipes | @simplywhisked
  • Reply
    Ginny
    October 9, 2017 at 11:47 am

    I made this for dinner last night and my husband told me it was the best green bean casserole I had ever made. This one’s a keeper! So glad I stumbled across your blog. My daughter has a dairy/soy allergy and I breastfeed so that means I pretty much do to.

    • Reply
      Melissa Belanger
      October 9, 2017 at 5:06 pm

      That’s awesome! I’m so glad to hear it, and I’m glad you found my blog, too. Let me know if there are any recipes you’d like to see in the future!

  • Reply
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    […] any of these Sweet Potato Recipes will be pure bliss.  Dairy free?  You can still enjoy this Green Bean Skillet Casserole by Simply Whisked.  My family loves green beans and these Green Beans with Crispy Proscuitto by […]

  • Reply
    Marc
    November 21, 2017 at 5:36 pm

    In the past I had not been a big green bean casserole fan but I am now because this is amazing! Whether you want dairy in your casserole or not I would highly recommend serving this recipe.

    • Reply
      jamie
      January 27, 2018 at 1:47 pm

      I am about to make this right now, and I’m choosing this recipe because friends of ours can’t have any yeast or gluten, so this wil be a hit! I’m also trying to find recipes for mushroom meatloaf, vegan style of course! These are wonderful comfort foods for the winter months and I know my husband is just going to love them! Thank you for the recipe!

      • Reply
        Melissa Belanger
        January 27, 2018 at 4:28 pm

        You’re welcome!! I hope you love it!

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