recipe for crockpot green bean casserole
The Best recipe for crockpot green bean casserole
I also appreciate how versatile it is. It’s great for a family dinner on a weeknight, but it also shines at gatherings—whether it’s a potluck, a holiday spread, or just a casual get-together. The crockpot makes it foolproof, so you don’t have to stress over timing or oven space. And the best part? It’s packed with veggies, so it’s a sneaky way to get more greens into the family without anyone even noticing. It’s a dish that feels indulgent but is actually pretty wholesome, and that’s why I keep making it.

Classic Crockpot Green Bean Casserole
A comforting, creamy green bean casserole that’s perfect for potlucks or family dinners. The crispy fried onions add a delightful crunch, making this dish both hearty and satisfying.
🥘Ingredients
- 2 lbs fresh green beans, trimmed
- 2 tbsp butter
- 1 tsp salt
- ½ tsp black pepper
- 1 (15 oz) can cream of mushroom soup
- 1 cup milk
- 1 cup shredded cheddar cheese
- 1 large onion, thinly sliced
- 2 tbsp vegetable oil
👨🍳Directions
-
1
Trim the ends from the green beans and rinse them under cold water. In a large pot, melt the butter over medium heat. Add the green beans, salt, and pepper, and cook for 5–7 minutes until tender but still bright green. -
2
In a separate bowl, whisk together the cream of mushroom soup, milk, and half the shredded cheese until smooth. -
3
Transfer the green beans to the crockpot. Pour the creamy sauce over the beans, then stir in the remaining cheese until fully melted. -
4
While the crockpot is cooking on low, heat the vegetable oil in a large skillet over medium-high heat. Fry the sliced onions until golden brown, about 5–7 minutes, then drain on a paper towel. -
5
Once the casserole is heated through (about 2 hours on low), top with the fried onions and serve warm.
🔧Equipment
- Crockpot
- Large pot
- Colander
- Mixing bowls
- Knife and cutting board
📊Nutrition Facts (per serving)
📝Notes
Watch Video Of How Classic Crockpot Green Bean Casserole Works
❓ Frequently Asked Questions About Crockpot Green Bean Casserole
How long should I cook the green bean casserole in the slow cooker?
Cook the green bean casserole on Low for 4–5 hours or High for 2–3 hours, until the cream sauce has thickened and the casserole is bubbling and heated through.
Can I use canned cream of mushroom soup instead of the homemade sauce?
Yes, you can substitute 1 (10.5 oz) can of cream of mushroom soup for the homemade sauce. Just stir it into the green beans before adding the fried onions.
What if I don’t have a slow cooker, and I need to bake it instead?
You can bake it at 350°F (175°C) for 45–55 minutes, covered with foil until the edges are golden. Stir the sauce halfway through cooking.
How should I store leftovers, and how long will they keep?
Store leftovers in an airtight container in the fridge for up to 4 days. Reheat in the microwave until hot and bubbling.
Can I make this recipe ahead of time?
Yes, assemble the dish (without baking) and refrigerate for up to 24 hours. Bake as directed on the day of serving.
