Keto Green Bean Casserole

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Creamy keto green bean casserole made with cream cheese, a Parmesan topping and all the flavors you love from this traditional classic recipe made low carb. Green bean casserole is my all-time favorite holiday side dish. Our green bean casserole was made to be lower in carbs without sacrificing flavor.

keto green bean casserole

Keto Green Bean Casserole 

Crunchy almonds and Parmesan Cheese on top, give a nice texture to this low carb green bean casserole recipe. (Don't like almonds? Read the Heading for swapping them out) You get all the flavors, in a lighter version. Don't dread the holidays because you have to resist all the food, learn to make healthier versions that you can enjoy without feeling guilty about. 

How Many Carbs in Green Beans

Green beans are a very low carb, low GI and Fodmap food. They come in around 2net carbs per serving in green beans. Unlike peas, which have a higher sugar count, green beans are high in fiber. They make a fantastic vegetable to have while eating low carb. 

Make Green Bean Casserole Without Canned Soup 

Canned soup can be a no-no on the keto diet, because of some are made with milk, adding carbs. Surprisingly, canned soup can also be high in sugar. Instead of making a homemade mushroom soup (which I will do some day!), I used a mix of cream cheese and sour cream. It created a really creamy base for this green bean casserole instead. Mushrooms are also added which, when combined with the cream cheese give the idea of mushroom soup. 

step by step instructions for creamy green beans.

What Can I Use Instead of Almonds For Toppings 

If you don't want or like almonds you can crush up plain pork rinds and sprinkle them over the top and then bake as accordingly. The pork rinds are low in carb and will give you a nice crunch factor that you want. If I was swapping out almonds I would do the hint below OR Mix melted butter into crushed pork rinds and parmesan.  WAIT. Did I forget to say bacon? Bacon or ham to fancy it up would taste fantastic on top. 

HINT- if you miss the French Fried Onions for the topping simply slice a small shallot (lower in carbs than most onion) VERY thinly, in small pieces, dust with almond flour and crushed pork rinds. Pan fry or bake on 400 degrees for a few minutes to brown and get crispy. 

How Do You Reheat Green Bean Casserole 

My favored way to reheat the green bean casserole is by adding a little butter and cream or almond milk and then using the oven. You can of course pop it in the microwave for a quick reheat. If using the oven- 350 degrees for about 20 minutes. Mix. Then add more Parmesan cheese to the top, finish for 10 minutes. To make this a full meal way to use leftovers, add some chopped turkey or ham  before reheating. Just check to see if the dish is warmed all the way through and serve it up. Yum. 

low carb green bean casserole

Can You Freeze Green Bean Casserole 

I personally do not recommend freezing this casserole. Because this green bean casserole uses sour cream and cream cheese you might find that freezing this isn't a good idea. Once you go to thaw then reheat the casserole, it could curdle in texture due to the cream cheese and sour cream. It will still taste good, it just won't offer the same texture. A lot of times when you have a lot of dairy in a dish, it is best to skip freezing. 

thanksgiving side dishes

How Long Will Keto Green Bean Casserole Store In The Fridge 

You can store your keto casserole in the fridge for 3-4 days. I always recommend you to use your best judgment in terms of if your casserole is still good. If you are in question always toss it out. Better to be safe that way. My experience with this particular dish is that it's better the next day, but quickly declines in flavor fast. I'd use it up the next day. Maybe two later. 

Can I Use Fresh Green Beans

Yes, sure! You can use fresh in replace of thawed frozen. Just make sure that you clean and prep your green beans properly before you plan to use them. I find that frozen green beans are picked at their prime and then stored and frozen at their prime peak. So the frozen allow you to cut down on a little bit of prep work and speed up the process. However, there is something about a fresh green bean so have at it!

More Amazing Side Dishes for the Holidays

  • Loaded Cauliflower Au Gratin | Another low carb option that gives you that au gratin taste, but using cauliflower in replace of potatoes. 
  • Garlic Ranch Roasted Turnips | Turnips are a savory dish to pair with the side. This is an amazing keto replacement to potatoes, and turnips are underrated! 
  • Keto Stuffing | If you are looking for another holiday side, here is a stuffing muffins dish. This stuffing is made in muffin cups so they are bite-size side. 
  • Broccoli Cheese Low Carb Cornbread | A low carb keto approved cornbread made with almond flour that can be a meal or side! 

Tip* To make your green bean casserole a huge success make sure your cream cheese is room temperature to start with. 

keto green bean casserole in dish.

Green Bean Casserole

Yield: 6-9 servings
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes

A twist on a classic to make this popular side dish keto and low carb approved naturally! No canned soup in this recipe which also doubles as a leftover dish- simply add leftover turkey, chicken or ham to make another meal!


  • 2 (12 ounce) bags green beans, thawed
  • 1 (8 ounce) container sliced mushrooms
  • 2 teaspoon Worcestershire sauce
  • 2 tablespoons butter
  • 1 (8 ounce) package cream cheese, softened
  • ½ cup sour cream
  • ½ teaspoon onion powder
  • ½ teaspoon garlic powder
  • 1 teaspoon black pepper
  • ½ teaspoon salt
  • ¼ cup sliced almonds
  • ¼ cup grated parmesan


  1. Preheat oven to 350 degrees. Prepare a 9x13 baking dish with nonstick cooking spray.

  2. In a skillet over medium heat, melt butter, Add mushrooms and cook 2 to 3 minutes or until softened. Reduce heat to low, stir in seasonings, worcestershire sauce, cream cheese and sour cream.

  3. Mix and Simmer until sauce is creamy and smooth.
  4. Add the green beans to the baking dish, spread evenly.

  5. Pour mushroom sauce mixture over the top, mix to evenly coat green beans.
  6. Top with remaining almonds and sprinkle with parmesan cheese.

  7. Bake for 30 minutes or until cooked through and bubbling.

Nutrition Information:
Yield: 9 Serving Size: 1
Amount Per Serving: Calories: 92Total Fat: 8gTrans Fat: 0gCarbohydrates: 3gNet Carbohydrates: 2gFiber: 1g

Nutrition facts are auto- populated by the app for this recipe card, numbers may vary. For best results, input your exact brand ingredients into a recipe analyzer like Verywell or MyFitnessPal.

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