Crockpot Green Bean Casserole Recipe
Introduction
This Crockpot Green Bean Casserole is a simple, comforting dish perfect for busy days or holiday gatherings. Creamy, cheesy, and topped with crispy fried onions, it’s an effortless way to serve a classic favorite. Let your slow cooker do the work while you enjoy the rich flavors.

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 large bowl, mix together the drained green beans, cream of mushroom soup, milk, garlic powder, salt, and black pepper until well combined.
- Step 2: Add half of the crispy fried onions and half of the shredded cheddar cheese to the mixture, then stir gently to combine.
- Step 3: Pour the mixture into your crockpot and cook on low for 4 hours, allowing the flavors to meld and the casserole to heat through.
- Step 4: About 30 minutes before serving, sprinkle the remaining cheddar cheese and fried onions evenly over the top. Cover and continue cooking until the cheese melts and the onions turn crispy.
- Step 5: Serve the casserole hot and enjoy this creamy, crunchy side dish.
Tips & Variations
- For added flavor, try mixing in cooked bacon bits or sautéed mushrooms before slow cooking.
- Use fresh green beans blanched briefly if you prefer a fresher texture.
- Substitute cream of mushroom soup with cream of celery or cream of chicken for a different twist.
- If you like it spicier, add a pinch of cayenne pepper or smoked paprika to the mixture.
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. To restore crunch to the topping, you can add a little extra fried onions on top before reheating in the oven.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use fresh green beans instead of canned?
Yes, fresh green beans can be used. Blanch them briefly in boiling water until just tender before adding to the casserole to maintain the best texture.
Is it possible to make this recipe gluten-free?
To make this gluten-free, use gluten-free cream of mushroom soup and substitute the crispy fried onions with a gluten-free crunchy topping or omit them altogether.
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Crockpot Green Bean Casserole Recipe
- Total Time: 4 hours 40 minutes
- Yield: 6 servings 1x
Description
A hearty and comforting Crockpot Green Bean Casserole that combines tender green beans with creamy mushroom soup, melted cheddar cheese, and crispy fried onions for a classic side dish perfect for family dinners and holiday gatherings.
Ingredients
Vegetables
- 2 cans green beans, drained
Dairy
- 1 cup shredded cheddar cheese (divided)
- 0.5 cup milk
Canned Goods
- 1 can cream of mushroom soup
Seasonings
- 0.5 teaspoon garlic powder
- 0.5 teaspoon black pepper
- 0.5 teaspoon salt
Other
- 1 cup crispy fried onions (divided)
Instructions
- Combine Ingredients: In a large bowl, mix together the drained green beans, cream of mushroom soup, milk, garlic powder, salt, and black pepper until evenly combined.
- Add Cheese and Onions: Stir in half of the shredded cheddar cheese and half of the crispy fried onions, ensuring they are well incorporated into the mixture.
- Cook in Crockpot: Transfer the mixture into the crockpot and cook on low heat for 4 hours, allowing flavors to meld and the casserole to heat through thoroughly.
- Top with Remaining Cheese and Onions: About 30 minutes before the cooking time is complete, sprinkle the remaining cheddar cheese and crispy fried onions on top of the casserole. Continue cooking until the cheese melts and the onions turn crispy.
- Serve: Carefully scoop out portions and serve the casserole hot as a delicious side dish for your meal.
Notes
- For a fresher taste, use fresh or frozen green beans instead of canned, adjusting cooking time accordingly.
- To make this dish gluten-free, opt for gluten-free crispy fried onions or omit them altogether.
- If you prefer a richer casserole, add a touch of sour cream or cream cheese in the initial mixture.
- Leftovers can be stored in an airtight container in the refrigerator for up to 3 days and reheated in the microwave or oven.
- You can add cooked mushrooms or sautéed onions for extra flavor variations.
- Prep Time: 10 minutes
- Cook Time: 4 hours 30 minutes
- Category: Side Dish
- Method: Slow Cooking
- Cuisine: American
Keywords: green bean casserole, crockpot casserole, slow cooker recipes, holiday side dish, comfort food, cheesy green beans

