Crockpot Green Bean Casserole

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Crockpot Green Bean Casserole is a super easy and family-friendly dish that will leave your guests craving for more. Made with simple ingredients, this recipe is a must-have for your holiday gatherings.

A crockpot green bean casserole.


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This Crockpot Green Bean Casserole takes all the traditional flavors you love and elevates them. Taking this recipe to new heights. Say goodbye to soggy beans and hello to a tender, flavorful side.

If you’re looking for more casserole, try these Creamy Cheese Corn Casserole, Turkey Noodle Casserole, and Praline Sweet Potato Crunch Casserole.

What We Love About This Crock Pot Green Bean Recipe

Discover what makes this crock pot green bean recipe an absolute favorite. We’ll highlight the key reasons why this recipe stands out, from its unbeatable ease of preparation to its family-friendly appeal. Get ready to fall in love with this delightful holiday dish. You will make this recipe again and again. Perfect for Thanksgiving or Christmas.

  • Try This Super Easy: This slow cooker recipe takes the hassle out of holiday cooking, letting the crockpot do all the work.
  • Easy Ingredients: With only six simple ingredients you can whip up this dish effortlessly. Use fresh green bean casserole or frozen green beans instead.
  • Family Friendly: This casserole is a hit with all age groups, making it perfect for family gatherings and celebrations. Plus the recipe for Thanksgiving can feed a crowd. Perfect for when you run out of oven space and made easy.
  • Convenient Slow Cooker Green Bean Casserole Recipe: Make ahead by cooking on low in your slow cooker. You free up oven space too. Plus you control the cook time. So much easier than doing in a skillet. Keep on the warm setting until ready to serve.

Ingredient Notes for Crock Pot Green Bean Casserole Side Dish

The beans, milk and fried onions for the casserole.
  • Green Beans: This crock pot green bean casserole recipe calls for canned green beans due to their convenience and consistent texture. However, use frozen beans instead if you like. French cut green beans or any variety. Fresh beans work too.
  • Condensed Soup: Cream of mushroom soup adds a creamy and savory element to the dish, enhancing its flavor.
  • Milk: Milk provides the necessary creaminess to the casserole, and you can use your choice of milk.

See the recipe card below for a complete list of the ingredients with measurements.

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Variations and Substitutions use Fresh or Frozen Green Bean Casserole Recipe

Explore our variations and substitutions to customize this crockpot green bean casserole to your taste, adding an exciting twist to your holiday table.

  • Add Bacon: For a smoky twist, consider adding crispy bacon bits to the casserole. It adds a delicious crunch and a burst of flavor.
  • Parmesan Cheese: To enhance the cheesy goodness, sprinkle some grated Parmesan cheese on top of the casserole before serving the cheesy green bean casserole.
  • Seasoning: Onion powder or any seasoning you like.
  • Soup: Try cream of celery or cream of chicken for this classic recipe.

How to Make Crockpot Green Bean Casserole

These are the basic steps for making Green Bean Casserole in Crock Pot. Refer to the full, printable recipe card below for detailed instructions. This slow cooker version is such a tempting holiday side. You will make every Thanksgiving.

A close up of the crock pot green bean casserole.

Step 1: Add All Ingredients to 6-Quart Slow Cooker

Start by pouring in cream of mushroom soup, soy sauce, milk, black pepper, drained green beans, and 1/2 cup of the fried onions in your crockpot. Stir everything together to ensure even distribution.

Step 2: Cook the soup mixture for the casserole in the crock pot

Next, set your slow cooker to low and let the mixture cook for 2-3 hours or until it becomes bubbly and thoroughly heated.

Step 3: Add Fried Onions on top and Continue Cooking

Afterward, sprinkle the onions and stir the mixture again and top it with the remaining fried onions. Cover the slow cooker and continue cooking for an extra 10 minutes.

Recipe FAQs for this Crockpot Green Bean Casserole Recipe

Canned green beans work best because of their convenience and consistent texture. Fresh green beans can be used but should be blanched before adding.

Canned green beans should be drained but do not need to be rinsed as they are pre-cooked.

Absolutely! Homemade crispy shallots make for a great subtitituton for the crispy onions. Just thinly slice the shallots, coat them in flour, and fry until crispy.

Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat the dish in a skillet on the stove top, stirring occasionally and top with remaining French fried onions.

A dish of this creamy side dish.

Expert Tips for Making Slow Cooker Green Bean Casserole

These insights will help you master this dish, whether you’re looking to adapt the cooking method or explore exciting topping variations. Get ready to elevate your slow cooker green bean casserole game!

  • Don’t Need Crockpot: If you don’t have a crockpot, you can make easily this green bean casserole in the oven or in an instant pot.
  • Fat Free: To reduce the fat content of the dish, opt for fat-free cream of mushroom soup or cream of chicken soup and fat-free milk or low fat cheddar cheese.
  • Chips for Topping: Experiment with different types of toppings for added texture and flavor. Try crushed potato chips, panko breadcrumbs, or even crispy bacon bits in place of the fried onions for this classic green bean casserole perfect for thanksgiving and christmas.

What to Serve with Crockpot Green Bean Casserole

A crockpot green bean casserole.
4.90 from 28 votes

Crock Pot Green Bean Casserole

Yield: 6 servings
Prep: 5 minutes
Cook: 3 hours
Total: 3 hours 5 minutes
Crock Pot Green Bean Casserole is a time saving twist on a classic recipe but it is still full of that irresistible flavor that we love. No bowl or need to bake in the oven. It is a real time saver.
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⭐️ ⭐️ ⭐️ ⭐️ ⭐️Did you try this recipe? Please leave a star rating and review below!


  • 42 ounces Green beans, 3 cans drained
  • 1o.5 ounces Cream of mushroom soup
  • ¾ cup Milk
  • 2 teaspoons Soy sauce
  • 1 teaspoons All Purpose Seasoning
  • 1 ½ cups French fried onions


  • Combine soup, soy sauce, milk, black pepper, green beans and 1/2 cup of the French fried onions in a slow cooker.
  • Stir to combine.
  • Cook on low for 2-3 hours or until bubbly.
  • Stir the mixture and top with remaining French fried onions.
  • Cover and cook for an additional 10 minutes.

Expert Tips

  • Double:  Simply increase the ingredients proportionately.
  • Add Bacon: Bacon bits or even ham pieces can be added to the recipe.
  • Alternate ingredient: If you are not a fan of mushroom soup mixture, Cream of Chicken Soup or cream of celery canned soup can be used.
  • Cheese: Try a sprinkle of parmesan cheese or cheddar cheese to the top of the casserole.
  • Alternate cooking method tip: This recipe will of course work in the oven or even the instant pot.
  • Dietary consideration tip: Fat free soup and fat free milk can be used in this recipe.

Estimated Nutritional Information

Calories: 108kcal | Carbohydrates: 7g | Protein: 1g | Fat: 8g | Saturated Fat: 3g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Cholesterol: 3mg | Sodium: 630mg | Potassium: 46mg | Fiber: 1g | Sugar: 2g | Vitamin A: 53IU | Vitamin C: 1mg | Calcium: 35mg | Iron: 1mg
The nutritional information provided are estimates. To learn more about how I calculate this information go to
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Course: Side Dish
Cuisine: American

12 thoughts on “Crockpot Green Bean Casserole”

  1. 5 stars
    Genius! I never thought of putting green bean casserole in the crockpot before! I never have enough room in the oven for everything. This is perfect!

  2. 5 stars
    Slow cooking is definitely the way to go with this yummy casserole! It’s a great way to free up oven space when making holiday meals. Love it!

  3. love green bean casserole first time going in the crock pot…think it will be great and everything tastes better ahead of time and on Holidays saves time for the things that need you last minute..and the oven is already full..Enjoy your Thanksgiving..

    • You add it with all of the other of the other ingredients. Thank you for bringing this up. I corrected the recipe. 🙂

  4. It’s so funny, but can you believe that I’ve never had green bean casserole. I swear, one of these days I am going to make one just so I can say I tried it.


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