There’s something magical about a dish that comes together effortlessly yet tastes like you spent all day in the kitchen. Crockpot Green Bean Casserole is exactly that—a creamy, savory, and crispy-topped masterpiece that’s a must-have at any gathering.
Whether it’s Thanksgiving, a Sunday dinner, or just a cozy weeknight meal, this slow-cooked version takes the classic to the next level, making it even richer, more flavorful, and completely hands-off.
Slow cooking does wonders for this dish. The green beans soak up the creamy goodness of cream of chicken soup, milk, and Parmesan cheese, creating a luscious, velvety texture.
The magic touch? French-fried onions, which get irresistibly crispy on top while adding a savory crunch in every bite. The best part? You can set it, forget it, and focus on your main course—like this juicy Crockpot Turkey Breast or melt-in-your-mouth Crockpot Pot Roast—without juggling oven space.
This isn’t just a side dish; it’s the one that disappears first at the table. And with over 20 million Americans serving green bean casserole every Thanksgiving, it’s clear that this comfort-food classic has earned its place in our hearts.
What’s So Special About This dish?

- Foolproof and hands-off – Just toss everything in the slow cooker and let it do the work. Perfect for stress-free holiday prep.
- Unmatched creaminess – The slow cooking process makes the sauce extra rich and velvety, coating every bite of green beans.
- Crowd-pleasing classic – Even the pickiest eaters go back for seconds (and thirds).
- Frees up your oven – No more fighting for space on Thanksgiving—your casserole is cooking itself.
- Easily customizable – Swap cream of chicken for mushroom soup, add bacon, or throw in some cheese for a new twist.

Crockpot Green Bean Casserole Recipe
Equipment
- Slow cooker (Crockpot)
- Mixing bowl
- Wooden spoon or spatula
Ingredients
- 2 16 ounce packages frozen cut green beans
- 2 10.5 ounce cans cream of chicken soup
- ⅔ cup milk
- ½ cup grated Parmesan cheese
- ¼ teaspoon salt
- ¼ teaspoon ground black pepper
- 1 6 ounce can French-fried onions, divided
Instructions
- Add frozen green beans, cream of chicken soup, milk, Parmesan cheese, salt, and black pepper to the slow cooker. Stir to combine.
- Cover and cook on low for 4 hours or high for 2 hours, stirring occasionally.
- Stir in half of the French-fried onions during the last 30 minutes of cooking.
- Before serving, sprinkle the remaining onions on top for a crispy finish.
- Serve warm and enjoy!
Nutrition Info:
Nutrition | Value |
Calories | 219kcal |
Carbohydrates | 25g |
Protein | 7g |
Fat | 11g |
Sugar | 7g |
Sodium | 859mg |
Try Some More Flavor-Packed Crockpot Recipe!
- Crockpot Green Beans
- Crockpot Baked Potatoes
- Crockpot Stew
- Crockpot Sweet Potatoes
- Crockpot Applesauce
- Crockpot Mashed Potatoes
- Crockpot Cheesy Potatoes

John Lee’s love for cooking is deeply rooted in family tradition. Growing up, the men in his family took charge of the kitchen, turning every meal into a special occasion. From weekend barbecues to holiday feasts, food was more than sustenance—it was a way to connect.
Inspired by this upbringing, John developed a passion for creating dishes that bring people together. After meeting Joe Miller through mutual friends, he joined Food Landscape Insight to share his love for simple yet extraordinary cooking, crafting meals that tell a story and create lasting memories.