Free up space in your oven during the holidays by cooking a creamy and tender crockpot green bean casserole recipe!
This Slow Cooker Green Beans recipe is quick to assemble, allowing you to get on with other meal preparations while the flavors intensify in the crockpot.
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❤️ Why you'll love this recipe
- Crockpot green beans is a classic holiday dish, saving you space in the oven to cook other side dishes and main meals.
- This recipe is extremely quick and easy to prepare while the slow cooker does all the work!
- Make easy adjustments to this holiday side dish with ingredient additions and spic swaps.
With just 7 ingredients and 5 minutes of prep, anyone can make this irresistible green bean casserole for the holidays for any time of the year!
🛒 Ingredients
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Note: The full list of this recipe ingredients with their amounts and options are listed in the recipe card below.
- fried onion
- cream of mushroom soup
- green beans -- may also use frozen.
- onion powder
🗒 Instructions
Note: This is an overview of the instructions. The full instructions are in the recipe card below.
- Prepare the crockpot by spraying it lightly with non-stick cooking spray. Drain the green beans and add them to the pot.
- In a medium mixing bowl, whisk the cream of mushroom soup, milk, and seasonings until smooth.
- Pour the soup mixture over the green beans in the crockpot and mix gently.
- Add half of the French fried onions into the crockpot.
- Gently fold in the French fried onions into the green bean mixture. Seal the crockpot and cook on low for 2-3 hours or on high for 1 hour.
- Once cooked, sprinkle the remaining fried onions over the top of the green bean mixture and serve immediately.
🔪 Equipment
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You’ll need the following items to make this recipe successfully.
🤔 FAQs
These are the questions we are most frequently asked about making an easy cream of mushroom green bean casserole recipe in a crockpot.
A thickener such as a cornstarch slurry can be added to the green bean casserole before topping the casserole with the remaining French fried onions.
Absolutely! Cook the casserole the night before and store the slow cooker inner pot with lid in the refrigerator once the casserole has cooled. Leave the French fried onions off the top of the casserole until you’re ready to reheat this dish just before serving.
Yes. Cook the casserole as directed, leaving the French fried onion topping off and store in the refrigerator. Reheat and add the crispy French fried onions just before serving.
Make a uniform pile of fresh green beans and line up the ends, cutting them off. Do the same with the other side of the pile. Cut the trimmed green beans into bite-size pieces and proceed with the recipe.
👩🏻🍳 Tips
- If you don’t have a slow cooker, make this casserole in a 9x13-inch casserole dish and bake in the oven at 350F for about 20-30 minutes.
- Spraying the crockpot with non-stick cooking spray ensures that none of the ingredients stick to the pot while cooking and burn.
- I don’t brown the fried onions before adding to the green bean mixture but you can if you’d prefer.
- If you’d like to brown the French fried onion topping before serving and have an oven-safe inner pot lining with no plastic parts, add the pot to the oven set to broil for 2-3 minutes.
📚 Variations
- Instead of cream of mushroom soup you could use cream of celery soup instead.
- I’ve used simple seasoning in this recipe but you could experiment with other types of seasoning and spices such as Italian seasoning or add a kick of heat to the dish with red chili flakes.
- Make this green bean casserole more decadent by folding in some shredded parmesan cheese and bacon into the creamy green bean mixture.
- I’ve used canned green beans for convenience but you can also use fresh green beans (washed and trimmed) or frozen green beans that are first defrosted and drained of excess liquid.
🥫 Storage
Leftover crockpot green beans can be stored in an airtight container in the refrigerator for up to 4 days. I don’t recommend freezing this dish as green beans typically don’t hold up well in the freezer and the crispy French fried onions will also soften.
📗 Related Recipes
Looking for similar holiday recipes to add to the menu? Try these:
- Roast Turkey - succulent roast turkey with a spicy flavored brine, loaded with intense flavor!
- Potatoes Au Gratin - my family’s go-to holiday side dish that’s so simple yet decadent.
- Italian Sausage Stuffing - savory and delicious Italian sausage stuffing that’s perfect for Thanksgiving or pork and chicken throughout the year.
- A beautiful and colorful salad side is our Fall Harvest Salad Recipe. This delicious vegetable side would be ideal on the holiday dinner table.
🍽 Serve with
Serve this crockpot green beans with Thanksgiving turkey, holiday roasts, and other holiday-inspired side dishes.
📞 Chiacchierata (chat)
Green bean casserole is one of those mandatory dishes I always have at our family meals for Thanksgiving and Christmas but it’s also just as great as a comforting midweek side dish or main meal with added meaty ingredients! With a slight variation, I’ve made this simple yet decadent dish in my trusty crockpot, saving me space in the oven for other recipes!
Tutti a tavolo, è pronto!
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📝 Recipe Card
Crockpot Green Beans is a delicious alternative to traditional baked green bean casserole. Loaded with creamy green bean mixture and French fried onions, anyone can make it for the holidays!
If you love this recipe please give it 5 stars ⭐️⭐️⭐️⭐️⭐️.
📖 Recipe
Easy Crockpot Green Bean Casserole
Ingredients
- 3 cans cut green beans, drained (14.5 oz. each) may also use French cut canned or frozen green beans.
- 2 cans cream of mushroom soup (10.5oz. each) may also use cream of celery soup
- ½ cup milk whole or 2%
- ¼ teaspoon kosher salt
- ¼ teaspoon black pepper
- ¼ teaspoon onion powder
- 1 can French-fried onions (6oz. can)
Equipment Needed
- Crockpot slow cooker
Instructions
- Lightly spray the crockpot with non-stick cooking spray.
- Drain the green beans and add them to the crockpot.
- In a medium-size bowl, whisk together the cream of mushroom soup, milk, and seasonings until smooth.
- Pour the soup mixture over the green beans and mix gently.
- Fold in half of the can of French fried onions into the green bean mixture.
- Place lid on crockpot and cook on low for 2-3 hours, or high for 1 hour.
- Remove lid and sprinkle the remaining fried onions on top and serve immediately.
- Store leftovers in refrigerator.
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