Crock Pot Green Bean Casserole

Crockpot green bean casserole recipe

The Spruce Eats / Anastasiia Tretiak

Prep: 5 mins
Cook: 5 hrs
Total: 5 hrs 5 mins
Servings: 6 to 8 servings
Nutrition Facts (per serving)
245 Calories
2g Fat
45g Carbs
11g Protein
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Nutrition Facts
Servings: 6 to 8
Amount per serving
Calories 245
% Daily Value*
Total Fat 2g 3%
Saturated Fat 0g 2%
Cholesterol 0mg 0%
Sodium 361mg 16%
Total Carbohydrate 45g 17%
Dietary Fiber 9g 33%
Protein 11g
Calcium 95mg 7%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
(Nutrition information is calculated using an ingredient database and should be considered an estimate.)

Green bean casserole was always a Thanksgiving staple. If you're running out of oven space when planning your Thanksgiving meal or just want a few dishes that will be easy to prepare (leaving you more time to focus on all those Thanksgiving desserts, perhaps!), then try this super easy crockpot green bean casserole which you can make ahead of time in your slow cooker. 

This easy recipe uses canned soup and frozen green beans, so it's ready to cook in your crock pot or slow cooker in just a few minutes. It's not a fancy recipe, but it does have all the essential classic ingredients: green beans, mushroom soup, and French fried onions. 


Click Play to See This Crock Pot Green Bean Casserole Recipe Come Together

Note that mushroom soup is usually not vegan, so although this recipe is vegetarian, it is not vegan, but you can also try making your own homemade vegan cream of mushroom soup to use in this recipe if you need it to be completely dairy-free.


  • 2 (10-ounce) bags frozen cut green beans
  • 1 (14.8-ounce) can cream of mushroom soup
  • 1/3 cup milk or soy milk
  • 1/4 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 (2.8-ounce) can French fried onions

Steps to Make It

  1. Gather the ingredients.

    Gather the ingredients
    The Spruce Eats / Anastasiia Tretiak 
  2. Mix together the green beans, cream of mushroom soup, and the milk or soy milk in your crock pot or slow cooker.

    Mix together beans and mushroom soup
    The Spruce Eats / Anastasiia Tretiak
  3. Sprinkle with salt and pepper and half of the French fried onions.

    Green beans
    The Spruce Eats / Anastasiia Tretiak
  4. Cover and cook on the low setting for 5 to 6 hours.

    Cover and cook
    The Spruce Eats / Anastasiia Tretiak
  5. Top with the remaining French fried onions just before serving.

    Crock pot green beans casserole
    The Spruce Eats / Anastasiia Tretiak