Crockpot Green Bean Casserole: The Easiest Holiday Side Dish Ever
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Holiday cooking is enough to make anyone sweat, especially when you hate to cook like me.
There’s so much to prep for Christmas dinner that the last thing you want to worry about is one more casserole when your oven’s already packed with turkey, ham, or potatoes.
That’s why I stopped trying to fit one more dish in there and started making this Crockpot Green Bean Casserole instead. It’s creamy, cozy, and requires zero oven juggling. You dump everything in, give it a stir, and a few hours later, you’ve got a crowd-favorite side dish that tastes like you worked harder than you did.
This post contains affiliate links. I may earn a small commission on purchases at no extra cost to you. A few of the images were created with AI tools — because I’m a real mom on a real budget, doing my best to make it all look pretty.
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Quick Answer:
To make Crockpot Green Bean Casserole, mix green beans, cream of mushroom soup, milk, and seasonings in your slow cooker. Cook on low for 4 hours, stir, then top with crispy fried onions right before serving. It’s the easiest way to make this classic holiday dish without taking up oven space.
What This Helps You Solve
Why make green bean casserole in a crockpot instead of the oven?
Because oven space is precious real estate during the holidays. With the crockpot, you can prep this dish in minutes and forget about it while your main course cooks. No boiling, no timers, and no burned casserole edges just creamy, hands-off comfort food.
What You’ll Need to Make It
Ingredients for Crockpot Green Bean Casserole
4 cans (14.5 oz each) cut green beans, drained
2 cans (10.5 oz each) cream of mushroom soup
1 cup milk
1 teaspoon soy sauce (optional but adds flavor)
½ teaspoon black pepper
1 teaspoon garlic powder
1½ cups crispy fried onions (divided)
Ingredient Notes:
Use French-style green beans for a softer, creamier texture.
Add a pinch of salt if you use low-sodium soup.
For a holiday twist, mix in a handful of shredded cheddar cheese before cooking.
Want to make this even easier? I’ve linked my favorite slow cooker, serving spoon, and casserole dish set on my Holiday Hosting Benable List. They’re all the tools I use in my own kitchen — simple, durable, and perfect for stress-free holiday cooking.
How to Make It (Step-by-Step)
Step 1 — Combine the ingredients
Add green beans, cream of mushroom soup, milk, soy sauce, garlic powder, and black pepper into your crockpot. Stir until evenly mixed.
Step 2 — Cook low and slow
Cover and cook on low for 4 hours (or high for 2 hours), stirring once halfway through.
Step 3 — Add crispy topping
Sprinkle 1 cup of crispy fried onions on top during the last 15–30 minutes of cooking. Reserve the rest for serving.
Step 4 — Serve and enjoy
Once the casserole is bubbly and creamy, switch to “warm” and serve right from the crockpot.
Variation: Cheesy Green Bean Casserole
If you love a little extra richness, add ½ cup shredded cheddar cheese before cooking and top with an extra sprinkle before serving. It turns the classic dish into a creamy, cheesy twist everyone will love.
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My Real-Mom Experience
I used to dread making green bean casserole because I never had space in the oven, and it always ended up a little crispy around the edges. Once I tried it in the crockpot, I was hooked. It’s my set-it-and-forget-it side dish now, and every year someone asks, “How do you make your casserole so creamy?” The answer: I didn’t, the crockpot did.
Shop My Favorites
Shop my favorites from this post on my Holiday Hosting Benable List. It includes the exact crockpot I use, my favorite spatula for serving, and the casserole carriers that keep everything warm for family gatherings.
FAQ
Q: Can I make this ahead of time?
Yes! Combine everything except the fried onions and refrigerate overnight. Pop it in the crockpot 4 hours before dinner.
Q: Can I double the recipe?
Absolutely, just use a 6-quart crockpot and add an extra 30–45 minutes to the cooking time.
Q: Can I use fresh green beans?
Yes, but blanch them first so they stay tender.
TL;DR:
This Crockpot Green Bean Casserole is creamy, cozy, and completely stress-free. Toss everything in the slow cooker, let it do its thing, and serve a crowd-pleasing side dish that frees up your oven (and your sanity).
Ready to make your holiday meal easier? Pin this recipe to your Christmas Dinner board, and don’t forget to grab my Crockpot Recipe Round-Up for more easy, hands-off holiday dishes!
Shop My Favorites
Shop my favorites from this post on my Holiday Hosting Benable List. It includes the exact crockpot I use, my favorite spatula for serving, and the casserole carriers that keep everything warm for family gatherings.
About Sarah Hanford
Sarah Hanford is a mom of four, Christian, runner, and systems lover who also happens to own a government contracting business. She’s having fun over here documenting what she’s learning about blogging, Pinterest, and online growth. Sharing what’s actually working so others can skip the overwhelm and build something sustainable too.
This post contains affiliate links. I may earn a small commission on purchases at no extra cost to you. A few of the images were created with AI tools — because I’m a real mom on a real budget, doing my best to make it all look pretty.
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