There’s nothing quite like the comforting embrace of a classic green bean casserole, especially when it comes out of your slow cooker. This Crockpot Green Bean Casserole delivers all the creamy, savory flavor and tender-crisp texture you crave, but with minimal fuss. Imagine perfectly cooked green beans, enveloped in a rich, velvety sauce, and topped with crispy onions, all simmering to perfection while you go about your day.
It’s a delightful side dish, perfect for holidays or any weeknight family meal, bringing a touch of home-cooked goodness to your table without the usual kitchen chaos. This simple, nourishing Crockpot Green Bean Casserole recipe truly embodies love on a plate.
Why You’ll Love This Crockpot Green Bean Casserole Recipe
- Effortless Preparation: Simply combine ingredients, set your slow cooker, and let it do all the work. This hands-off approach makes the Crockpot Green Bean Casserole a dream for busy families.
- Unbeatable Flavor: Enjoy the classic, creamy, and savory taste of traditional green bean casserole, enhanced by the slow cooking process that melds all the flavors beautifully.
- Nourishing Ingredients: With a focus on fresh green beans and thoughtful swaps, this Crockpot Green Bean Casserole recipe offers a comforting dish you can feel good about serving.
- Perfect for Potlucks: Keep your oven free for other dishes and bring a warm, ready-to-serve Crockpot Green Bean Casserole to any gathering, keeping it warm throughout the event.
Ingredients You’ll Need

Crafting a delicious Crockpot Green Bean Casserole begins with selecting quality ingredients. Here’s what you’ll gather to create this comforting slow cooker delight:
| Ingredient | Quantity |
|---|---|
| Fresh Green Beans (trimmed and snapped) | 2 lbs |
| Cream of Mushroom Soup (low sodium or homemade) | 1 (10.5 oz) can |
| Milk (whole or 2%) | 1/2 cup |
| Sour Cream (full-fat or light) | 1/2 cup |
| Garlic Powder | 1 tsp |
| Onion Powder | 1 tsp |
| Black Pepper | 1/2 tsp |
| Salt | 1/2 tsp (or to taste) |
| Crispy Fried Onions (for topping) | 1 (6 oz) can |
Substitutions & Variations
Note: This video is for demonstration purposes and may use a slightly different method.

One of the joys of cooking is the ability to adapt recipes to your family’s preferences and dietary needs. This Crockpot Green Bean Casserole is incredibly versatile. Here are some healthy swaps and delicious variations:
- Soup Swap: If you’re not a fan of cream of mushroom soup, consider using a low-sodium cream of celery or cream of chicken soup. For a healthier, more natural base for your Crockpot Green Bean Casserole, you can also make your own creamy mushroom sauce using fresh mushrooms, broth, and a touch of flour or cornstarch.
- Dairy-Free Option: Use unsweetened almond milk or cashew milk in place of dairy milk, and a dairy-free sour cream alternative. Ensure your cream of mushroom soup is also dairy-free, or opt for a homemade version.
- Add Veggies: Boost the nutritional profile by tossing in some frozen peas, corn, or diced red bell pepper with the green beans. They add color and extra vitamins to your slow cooker green bean casserole.
- Cheesy Twist: Stir in 1/2 cup of shredded sharp cheddar cheese or Gruyere cheese into the green bean mixture for an extra layer of flavor. It melts beautifully into the creamy sauce of your Crockpot Green Bean Casserole.
- Spice It Up: A pinch of smoked paprika or a dash of hot sauce can add an interesting kick to your green bean casserole.
- Crispy Topping Alternatives: Beyond fried onions, try a healthier crunch with crushed whole-wheat crackers, panko breadcrumbs mixed with a little melted butter, or even toasted slivered almonds.
- Fresh Herbs: Stir in a tablespoon of fresh chopped parsley or thyme during the last 30 minutes of cooking for a vibrant, aromatic finish. This elevates the fresh taste of your Crockpot Green Bean Casserole.
To enhance the adaptability of your Crockpot Green Bean Casserole, you might want to try adding some cheesy flavors. For an extra indulgent twist, check out our recipe for Cheesy Ranch Potatoes and Smoked Sausage.
Step-by-Step Instructions

Making this incredible Crockpot Green Bean Casserole is incredibly straightforward. Follow these simple steps for a perfect, creamy side dish every time:
- Prepare Green Beans: Start by washing and trimming your fresh green beans. If using frozen, thaw and drain them thoroughly. For canned, drain and rinse well.
- Combine Sauce Ingredients: In a large mixing bowl, whisk together the cream of mushroom soup, milk, sour cream, garlic powder, onion powder, black pepper, and salt until smooth and well combined. This forms the luscious base for your Crockpot Green Bean Casserole.
- Mix Green Beans: Add the prepared green beans to the sauce mixture. Toss gently until all the green beans are evenly coated.
- Transfer to Slow Cooker: Lightly grease the inside of your 6-quart (or larger) slow cooker. Pour the green bean mixture into the prepared slow cooker and spread it evenly.
- Cook: Cover the slow cooker with its lid. Cook on LOW for 3-4 hours or on HIGH for 2-3 hours, or until the green beans are tender-crisp and the sauce is bubbly and hot. Cooking times can vary slightly depending on your slow cooker model, so keep an eye on your Crockpot Green Bean Casserole.
- Add Topping: About 20-30 minutes before serving, sprinkle the crispy fried onions evenly over the top of the Crockpot Green Bean Casserole. Replace the lid and continue cooking until the onions are heated through and slightly crisp. If you prefer a crispier topping, you can transfer the casserole to an oven-safe dish and bake at 375°F (190°C) for 5-10 minutes after slow cooking, watching carefully to prevent burning.
- Serve: Carefully remove the slow cooker insert (if possible) or scoop directly from the crockpot. Serve your delicious and comforting Crockpot Green Bean Casserole hot and enjoy!
Pro Tips for Success
Achieving the perfect Crockpot Green Bean Casserole is easy with a few simple tricks. These tips will ensure your slow cooker green bean casserole turns out delicious and avoids common pitfalls:
- Drain Green Beans Thoroughly: Whether using fresh (after blanching), frozen (thawed), or canned, ensure your green beans are very well drained. Excess water can make your Crockpot Green Bean Casserole watery and dilute the rich flavor. A salad spinner works wonders for fresh or blanched beans.
- Don’t Overcook: Green beans can become mushy if cooked too long. Start checking for tenderness at the lower end of the cooking time range. You want them tender-crisp, not soft. This is key for the best Crockpot Green Bean Casserole texture.
- Season to Taste: Always taste your sauce mixture before adding the green beans. Adjust the salt and pepper as needed. Different brands of cream of mushroom soup can vary in sodium content.
- Pre-Warm Your Slow Cooker: If your slow cooker has a “warm” setting, sometimes it’s helpful to pre-warm it for about 15-20 minutes on high before adding the ingredients. This helps kickstart the cooking process evenly.
- Layering the Topping: For maximum crunch, resist adding all the crispy fried onions at the very beginning. Adding them during the last 20-30 minutes ensures they stay crisp and don’t get soggy submerged in the casserole. Some even reserve a small handful to sprinkle on individual servings of Crockpot Green Bean Casserole right before eating.
- Prevent Scorching: If your slow cooker tends to cook unevenly, or if you’re cooking on high, occasionally stir the green bean mixture during the cooking process to prevent sticking or scorching at the bottom edges. This ensures a perfectly cooked Crockpot Green Bean Casserole throughout.
Preventing common issues in your Crockpot Green Bean Casserole is key to achieving perfection. For more delicious tips and tricks, explore our Pumpkin Swirl Cheesecake Recipe that ensures your cooking skills shine.
Storage & Reheating Tips
Having leftover Crockpot Green Bean Casserole is a wonderful thing! Here’s how to store and reheat it to keep it tasting fresh and delicious:
- Storage: Once the Crockpot Green Bean Casserole has cooled to room temperature, transfer it to an airtight container. It will keep well in the refrigerator for up to 3-4 days.
- Freezing: If you want to store it for longer, leftover Crockpot Green Bean Casserole freezes well. Place it in a freezer-safe container, ensuring it’s tightly sealed. It can be frozen for up to 2-3 months. Thaw overnight in the refrigerator before reheating.
- Reheating in the Oven: For best results, reheat your Crockpot Green Bean Casserole in the oven. Transfer the desired amount to an oven-safe dish, cover loosely with foil, and bake at 325°F (160°C) for 20-30 minutes, or until heated through. If adding fresh crispy onions, sprinkle them on for the last 5-10 minutes.
- Reheating in the Microwave: For a quick reheat, individual portions of Crockpot Green Bean Casserole can be microwaved. Place a serving in a microwave-safe dish and heat on medium power for 1-2 minutes, stirring halfway, until warmed through. Be aware that the crispy onions might not retain their crunch in the microwave.
- Reheating in the Slow Cooker: You can also reheat the entire Crockpot Green Bean Casserole in the slow cooker on the “warm” setting for an hour or so, or on “low” until hot. This is a great option if you’re serving it again at a gathering.
What to Serve With This Recipe

This savory Crockpot Green Bean Casserole makes a fantastic side dish for a wide variety of meals, from holiday feasts to simple weeknight dinners. Its creamy richness pairs beautifully with lean proteins and fresh, vibrant sides. Here are some healthy pairings that complement this slow cooker green bean casserole perfectly:
- Roasted Chicken or Turkey: The classic combination! A beautifully roasted chicken or a tender turkey breast provides a lean, flavorful main course that balances the richness of the Crockpot Green Bean Casserole.
- Baked Salmon: For a lighter, omega-3 rich option, serve your Crockpot Green Bean Casserole alongside a simply baked or grilled salmon fillet. The flavors work wonderfully together.
- Pork Loin: A juicy, herb-crusted pork loin roast offers a robust pairing that stands up well to the creamy texture of the casserole.
- Garden Salad: A crisp, fresh garden salad with a light vinaigrette dressing provides a refreshing contrast to the warm, comforting Crockpot Green Bean Casserole.
- Roasted Root Vegetables: Complement the green beans with other roasted veggies like carrots, parsnips, or sweet potatoes. Roasting brings out their natural sweetness and a lovely caramelized flavor.
- Quinoa or Brown Rice: For a more complete meal, a side of wholesome quinoa or brown rice can soak up all the delicious sauce from your Crockpot Green Bean Casserole and add extra fiber.
- Whole Wheat Dinner Rolls: Sometimes, you just need something to sop up every last bit of that creamy sauce. Whole wheat dinner rolls are a wholesome choice.
Pairing your savory Crockpot Green Bean Casserole with the right dish can elevate your meal experience. Consider serving it alongside a beautifully crafted dessert like our Easy Pumpkin Cheesecake Recipe to create a delightful mixed menu.
FAQs
Can I make Crockpot Green Bean Casserole ahead of time?
Absolutely! You can assemble the green bean mixture (without the crispy fried onions) up to 24 hours in advance. Store it covered in an airtight container in the refrigerator.
When ready to cook, transfer it to your slow cooker and proceed with the instructions. This makes preparing your Crockpot Green Bean Casserole for busy holidays or weeknights incredibly convenient. Add the crispy onions during the last 20-30 minutes of cooking.
What kind of green beans work best for this Crockpot Green Bean Casserole?
Fresh green beans are always my top choice for the best flavor and texture in this Crockpot Green Bean Casserole. Trimmed and snapped, they cook up perfectly tender-crisp. If fresh are unavailable, high-quality frozen green beans (thawed and well-drained) are an excellent alternative. For canned green beans, choose low-sodium options and ensure they are thoroughly drained and rinsed to remove excess salt and preserve the texture of your slow cooker green bean casserole.
How do I prevent my Crockpot Green Bean Casserole from getting watery?
The key to a creamy, not watery, Crockpot Green Bean Casserole lies in proper drainage. Ensure your green beans are completely dry before mixing them with the sauce. If using fresh beans, you can blanch them briefly and then spin them dry in a salad spinner.
For frozen beans, thaw them completely and press out any excess moisture with paper towels. For canned beans, drain and rinse them well. Also, avoid lifting the slow cooker lid too frequently, as this releases steam and moisture that can collect back into the casserole.
Crockpot Green Bean Casserole is a popular dish that combines the traditional flavors of green bean casserole with the convenience of slow cooking. This method allows for tender green beans and a rich sauce that melds flavors beautifully, making it a beloved choice for both holiday meals and everyday dining. You can learn more about this dish by visiting this recipe link.
Nutrition Information (per serving)
Please note that these values are estimates and can vary based on specific brands and ingredient choices. This estimation is for a serving of approximately 1 cup of Crockpot Green Bean Casserole.
| Nutrient | Amount |
|---|---|
| Calories | 220 kcal |
| Total Fat | 14g |
| Saturated Fat | 6g |
| Cholesterol | 20mg |
| Sodium | 450mg |
| Total Carbohydrates | 18g |
| Dietary Fiber | 4g |
| Total Sugars | 4g |
| Protein | 6g |
Crockpot Green Bean Casserole
- Total Time: 3 hours 20 mins
- Yield: 8 servings 1x
- Diet: Vegetarian
Description
This Crockpot Green Bean Casserole delivers all the creamy, savory flavor and tender-crisp texture you crave, effortlessly cooked in your slow cooker. Perfect for holidays or any family meal, it brings a comforting touch to your table.
Ingredients
2 lbs Fresh Green Beans (trimmed and snapped)
1 (10.5 oz) can Cream of Mushroom Soup (low sodium or homemade)
1/2 cup Milk (whole or 2%)
1/2 cup Sour Cream (full-fat or light)
1 tsp Garlic Powder
1 tsp Onion Powder
1/2 tsp Black Pepper
1/2 tsp Salt (or to taste)
1 (6 oz) can Crispy Fried Onions (for topping)
Instructions
- Wash and trim fresh green beans
- In a mixing bowl, whisk together cream of mushroom soup, milk, sour cream, garlic powder, onion powder, black pepper, and salt until smooth
- Add green beans to the sauce mixture and toss gently
- Lightly grease the inside of your slow cooker
- Pour the green bean mixture into the slow cooker and spread it evenly
- Cover and cook on LOW for 3-4 hours or on HIGH for 2-3 hours until tender-crisp
- Sprinkle crispy fried onions on top 20-30 minutes before serving, then replace the lid and continue cooking until crispy
- Serve hot
Notes
Pre-warm the slow cooker for even cooking.
Ensure green beans are well-drained to avoid a watery casserole.
- Prep Time: 20 mins
- Cook Time: 3-4 hours
- Category: Side Dish
- Method: Slow Cooking
- Cuisine: American
Nutrition
- Serving Size: 1 cup
- Calories: 220 kcal
- Sugar: 4g
- Sodium: 450mg
- Fat: 14g
- Saturated Fat: 6g
- Unsaturated Fat: Varies
- Trans Fat: 0g
- Carbohydrates: 18g
- Fiber: 4g
- Protein: 6g
- Cholesterol: 20mg