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    Green Bean Casserole

    Gluten FreeNut FreeEgg FreeLow CarbVegetarianKeto

    This low carb green bean casserole is a simple yet tasty vegetarian side dish for any time of the year. Green beans are cooked in a cream cheese sauce and topped with crispy air fried onions.

    The classic green bean casserole uses canned beans and mushroom soup. This recipe uses fresh green beans and cream cheese for a lower carb version. We have kept a crispy onion topping using the air fryer.

    green bean casserole

    This keto vegetarian green bean casserole is also made with no mushrooms. Mushrooms feature in many bean casseroles but we omitted them. Feel free to add cooked mushrooms to your dish.

    What type of green beans to use

    We use fresh green beans that are steamed before use. You could use frozen or even tinned. If you use tinned beans, check the label for sneaky sugars. Frozen green beans can be soggy if used defrosted. Put them in the casserole frozen.

    Carbs in green bean casserole

    The net carbs in this recipe are 5g net carbs a serving. We've assumed that there are 8 small servings in this dish as it is a side dish for sharing.

    If you want to increase your serving size but keep the carb content low, omit the onions and add more cheese to the topping.

    How to make low carb green bean casserole

    This recipe is made of a four stages.

    1. Air fry the onions
    2. Steam the green beans
    3. Make the cheese sauce
    4. Assemble and bake
    green bean casserole

    Make this keto vegetarian green bean casserole ahead

    This side dish is a great recipe to make ahead and once assembled, rather than bake the dish, cover it with clingfilm and store it in the refrigerator. Once you are ready to eat, bake it.

    However, if you want to use frozen green beans do not assemble until you are ready to bake. You will be left with a watery side dish if not.

    Recipe Tips

    If you want to use a mushroom soup to replace the cheese sauce we have a cream of mushroom soup recipe you could use.

    The onions could be replaced sliced almonds for another form of crunch with slightly lower carbs.

    The crispy onions do not need to be made in the air fryer. You could bake them or pan fry them but they won't be as crispy. Caramelized onions would be a delicious taste instead!

    Season the sauce with mustard and add more cheese for your own tastes. We've kept this sauce simple so you can play around with it if you wish.

    More low carb vegetarian side recipes

    Stuffed Brussel Sprouts

    Pumpkin Fries

    Loaded Radishes

    Roasted Pumpkin, Broccoli with Feta

    Festive Red Cabbage

    This post may contain affiliate links. Please read my disclosure policy for more information.

    green bean casserole

    Green Bean Casserole

    A low carb vegetarian green bean casserole with crispy onions and a cream cheese sauce for an easy side dish.
    Print Recipe Pin Recipe Add to Collection Go to Collections
    Prep Time 20 minutes mins
    Cook Time 30 minutes mins
    Total Time 50 minutes mins
    Course Side Dish
    Cuisine Low carb, Vegetarian
    Servings 8 servings
    Calories 137 kcal

    Ingredients
     
     

    • 2 cups green beans topped and tailed
    • 2 medium onions peeled and cut into rings

    Sauce

    • ¼ cup cream heavy/whipping
    • 3 oz cream cheese
    • 2 tablespoons butter
    • 1 teaspoon garlic powder
    • ½ teaspoon salt
    • ½ teaspoon black pepper

    Topping

    • 2 oz Cheddar cheese grated

    Instructions
     

    Making the crispy onions

    • Preheat the air fryer according to the manufacturers instructions.
    • Place the onion rings in the basket and spray lightly with oil.
    • Cook for 10 minutes at 180C/360F degrees, checking half way that they are not burning.

    Cook the green beans

    • Steam the green beans or cook them in a pan of boiling water for 3-5 minutes until they are slightly tender. Drain and set aside.

    Making the cheese sauce

    • In a small saucepan on a medium heat, place the butter, cream and cream cheese it in. Heat until blended.
    • Season with the garlic powder, salt and pepper. You could add extra grated Cheddar cheese to the sauce.

    Assemble

    • Place the beans in a baking dish.
    • Pour the cheese sauce over the beans and top with the crispy onions and the Cheddar cheese.
    • Bake at 180C/350F for 10 minutes
    • Serve warm.

    Notes

    The net carbs will be the total carb count minus the fibre count. Carb count excludes sugar alcohols.
    Any nutritional analysis on the website is based on an estimate, calculated by Spoonacular from the individual ingredients in each recipe. Variations may occur for various reasons, including product availability and food preparation. We make no representation or warranty of the accuracy of this information.

    YOUR OWN NOTES

    Click here to add your own private notes.

    Nutrition

    Serving: 1servingCalories: 137kcalCarbohydrates: 6gProtein: 3gFat: 12gFiber: 1g
    The information shown is an estimate provided by an online nutrition calculator.
    Keyword air fryer recipes, keto side dish
    Do you know your macros?Check out Free Macro Calculator!
    Tried this recipe?Mention @KetoVegetarianRecipes on Instagram or hashtag it #ketovegetarianrecipes!

    More Side Dishes

    • Grilled french fries with ketchup and dipping sauce.
      Air Fryer Daikon Fries
    • Zucchini and mushrooms in a skillet.
      Sauteed Zucchini and Mushrooms
    • Roasted potatoes in a bowl with parsley.
      Fried Turnips
    • celeriac rice
      Celeriac Rice

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    Hi, I'm Angela!

    I'm the creator behind all the tasty low carb & gluten free recipes at Keto Vegetarian Recipes. I live in sunny St Lucia with the husband, dogs & cats.

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