Crockpot Green Bean Casserole Recipe
Introduction
This Crockpot Green Bean Casserole is a comforting twist on a classic favorite, perfect for effortless weeknight dinners or holiday gatherings. With creamy mushroom soup, melted cheddar, and crispy fried onions, it combines rich flavors and easy prep for a crowd-pleasing side dish.

Ingredients
- 2 cans green beans, drained
- 1 can cream of mushroom soup
- 0.5 cup milk
- 1 cup shredded cheddar cheese
- 1 cup crispy fried onions
- 0.5 teaspoon garlic powder
- 0.5 teaspoon black pepper
- 0.5 teaspoon salt
Instructions
- Step 1: In a mixing bowl, combine the drained green beans, cream of mushroom soup, milk, garlic powder, salt, and black pepper. Stir well to blend all ingredients evenly.
- Step 2: Add half of the crispy fried onions and shredded cheddar cheese to the mixture. Stir gently to distribute them throughout.
- Step 3: Pour the mixture into your crockpot and cook on the low setting for 4 hours, allowing the flavors to meld and the casserole to heat through.
- Step 4: About 30 minutes before serving, sprinkle the remaining shredded cheddar cheese and crispy fried onions on top. Continue cooking until the cheese melts and the onions become crispy.
- Step 5: Serve the casserole hot and enjoy a creamy, flavorful side that complements any meal.
Tips & Variations
- For extra flavor, add a splash of soy sauce or Worcestershire sauce to the soup mixture before cooking.
- Try using fresh green beans blanched briefly instead of canned for a fresher taste and texture.
- Add cooked, crumbled bacon to the casserole for a smoky twist.
- Use mozzarella or pepper jack cheese as a substitute for cheddar to change the flavor profile.
Storage
Store leftover casserole in an airtight container in the refrigerator for up to 3 days. Reheat gently in the microwave or oven until warmed through, adding fresh fried onions on top to restore crispiness if desired.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make this casserole in advance?
Yes, you can prepare the mixture ahead of time and refrigerate it. When ready, cook in the crockpot as directed, adding the toppings during the last 30 minutes.
Can I use fresh green beans instead of canned?
Absolutely. Blanch fresh green beans in boiling water for 3-4 minutes, then drain before mixing. This will give a fresher taste and firmer texture.
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Crockpot Green Bean Casserole Recipe
- Total Time: 4 hours 40 minutes
- Yield: 6 servings 1x
Description
This Crockpot Green Bean Casserole is a comforting, easy-to-make side dish perfect for holidays or weeknight dinners. Combining tender green beans, creamy mushroom soup, and melted cheddar cheese, topped with crispy fried onions, this recipe delivers a classic casserole flavor with minimal effort using a slow cooker.
Ingredients
Vegetables
- 2 cans green beans, drained
Dairy
- 1 can cream of mushroom soup
- 0.5 cup milk
- 1 cup shredded cheddar cheese
Seasonings
- 0.5 teaspoon garlic powder
- 0.5 teaspoon black pepper
- 0.5 teaspoon salt
Toppings
- 1 cup crispy fried onions
Instructions
- Mix Ingredients: In a large bowl, combine the drained green beans, cream of mushroom soup, milk, garlic powder, salt, and black pepper. Stir well to ensure all the ingredients are evenly mixed.
- Add Cheese and Onions: Add half of the crispy fried onions and half of the shredded cheddar cheese to the green bean mixture. Stir again to evenly distribute the toppings within the mixture.
- Cook in Crockpot: Pour the entire mixture into a crockpot. Cover and cook on low heat for 4 hours. This slow cooking will allow the flavors to meld and the green beans to become tender.
- Add Remaining Toppings: In the last 30 minutes of cooking, sprinkle the remaining shredded cheddar cheese and crispy fried onions evenly over the top of the casserole. Cover and continue cooking to melt the cheese and crisp the onions slightly.
- Serve: Once cooked, remove from the crockpot and serve the casserole hot as a delicious side dish to complement your meal.
Notes
- Make sure to drain the canned green beans thoroughly to avoid excess liquid in the casserole.
- You can substitute cream of mushroom soup with cream of celery or cream of chicken soup for a different flavor.
- Using sharp cheddar cheese adds a nice depth of flavor, but feel free to use your preferred cheese type.
- If you prefer a vegetarian version, verify that your fried onions and soup are vegetarian-friendly or prepare homemade substitutes.
- For a crispier topping, you can broil the casserole for a few minutes after cooking instead of adding fried onions at the end in the crockpot.
- Prep Time: 10 minutes
- Cook Time: 4 hours 30 minutes
- Category: Side Dish
- Method: Slow Cooking
- Cuisine: American
Keywords: green bean casserole, crockpot casserole, holiday side dish, cheesy green bean casserole, easy crockpot recipes

