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Overhead view of Healthy Green Bean Casserole in white baking dish with wooden spoon ready to serve.

Healthy Green Bean Casserole

This Thanksgiving, make this Healthy Green Bean Casserole from scratch and wow your guests and your tastebuds!

Categories Clean, gluten free, Healthy, Thanksgiving, Vegetarian
Difficulty Easy
Keyword green bean casserole healthy, healthy green bean casserole, healthy green bean casserole recipe
Prep Time 20 minutes
Cook Time 25 minutes
Total Time 45 minutes
Servings 6
Calories 221 kcal
Author Lacey Baier

Ingredients

For the Green Beans:

  • 2 lbs fresh green beans, trimmed

For the Crispy Onion Topping:

  • 1 tbsp olive oil
  • 1 large yellow onion, thinly sliced
  • 1/2 cup almond meal
  • 1/4 cup parmesan cheese, grated
  • 1/4 tsp sea salt

For the Mushroom Sauce:

  • 1 tbsp olive oil
  • 8-10 medium cremini mushrooms, thinly sliced
  • 4 cloves garlic, minced
  • 3 tbsp chickpea flour
  • 1/2 cup low sodium chicken broth
  • 1 cup unsweetened almond milk
  • 1/3 cup parmesan cheese, grated
  • 1/2 tsp sea salt
  • 1/4 tsp ground black pepper

Instructions

  1. Preheat oven to 375 degrees F, bring a large stockpot of water to a boil, and grease a large casserole dish with olive oil and then set aside.
  2. Add the green beans to the boiling water and boil for 4-5 minutes, or until almost tender, but still slightly crisp. Drain the cooked green beans, then transfer to a bowl filled with ice water to stop them from cooking more.
  3. To make the crispy onion topping, start by heating olive oil in a large fry pan over medium-high heat until hot.
  4. Add the thinly sliced onions and cook, stirring occasionally, for 5-8 minutes or until they are tender and starting to brown. Remove the onions and place into a medium mixing bowl and set aside.
  5. In the same pan you used to cook the onions, add the almond meal. Cook, stirring very frequently, for 3-5 minutes, or until the almond meal is starts to turn lightly golden. Careful not to burn.
  6. Remove from heat and transfer the toasted almond meal to the bowl with the onions. Stir in the 1/4 cup shredded parmesan cheese and sea salt, and then toss the mixture until combined. Set aside.
  7. In the same pan, heat a little more olive oil until hot and add the mushrooms and cook for 4-5 minutes, or until they are tender, stirring occasionally.
  8. Add the minced garlic and cook for an additional minute until fragrant, stirring frequently.
  9. Sprinkle the chickpea flour over the mushrooms, and stir to combine.
  10. Slowly add the low sodium chicken broth, whisking to combine until smooth.
  11. Whisk in the almond milk, and bring the mixture to a simmer. Let cook for 2-3 minutes, or until thickened.
  12. Stir in the remaining 1/3 cup parmesan cheese, sea salt, and pepper until the cheese is melted.
  13. Transfer the cooked, chilled green beans into the pan with the mushroom sauce and toss until combined.
  14. Pour the green bean mixture into the prepared baking dish and then top with the crispy onion topping evenly over the top.
  15. Place in the oven, uncovered, and bake for 25-30 minutes, until the top is golden brown.

Recipe Video

Nutrition Facts
Healthy Green Bean Casserole
Amount Per Serving (1 cup)
Calories 221 Calories from Fat 118
% Daily Value*
Fat 13.1g20%
Saturated Fat 2.6g13%
Cholesterol 7.5mg3%
Sodium 428.6mg18%
Carbohydrates 18.3g6%
Fiber 6.4g26%
Sugar 7.1g8%
Protein 10.9g22%
* Percent Daily Values are based on a 2000 calorie diet.