Easy Gluten Free Green Bean Casserole Recipe

Yields: 6-8 servings
Prep Time: 15 minutes
Cook Time: 30-35 minutes

Ingredients:

  • 1 pound fresh green beans (trimmed and cut into bite-sized pieces) or 2 (15-ounce) cans cut green beans (drained)
  • 1 tablespoon olive oil
  • 8 ounces sliced mushrooms
  • 2 cloves garlic (minced)
  • 1/4 cup gluten-free all-purpose flour
  • 2 cups milk (your choice of regular or plant-based)
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 1/3 cup gluten-free French fried onions

Instructions:

Preheat oven:

  • Preheat your oven to 350°F (175°C). Grease a 9×13 inch baking dish.

Prepare the green beans:

  • If using fresh green beans: Bring a pot of salted water to a boil. Add the green beans and cook for 3-5 minutes until crisp-tender. Drain and set aside.
  • If using canned green beans: Simply drain the cans.

Make the sauce:

  • Heat olive oil in a large skillet over medium heat. Add the mushrooms and garlic and cook until softened, about 5 minutes.
  • Sprinkle in the gluten-free flour and cook for 1 minute, stirring constantly.
  • Gradually whisk in the milk, salt, and pepper. Bring the mixture to a simmer, stirring until thickened.

Assemble the casserole:

  • In a large bowl, gently combine the green beans and creamy mushroom sauce.
  • Transfer the mixture to the prepared baking dish.
  • Sprinkle 2/3 cup of the gluten-free French fried onions evenly over the top.

Bake and Finish:

  • Bake for 25-30 minutes, or until heated through and bubbly.
  • Top with the remaining 2/3 cup of French fried onions and bake for an additional 5 minutes, or until the onions are golden brown.

Serve:

  • Let the casserole rest for a few minutes before serving.

Tips:

  • Make it dairy-free: Use your favorite unsweetened plant-based milk alternative and vegan butter substitute for the oil.
  • Customize it: Add a sprinkle of shredded cheese (optional) during the last few minutes of baking.
  • Make it ahead: Assemble the casserole (up to step 4) and refrigerate for up to 24 hours before baking. You may need to add a few extra minutes to the baking time.

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