This Crockpot Green Bean Casserole is perfect for holiday gatherings, family dinners, or any casual meal where comfort food is needed. With its blend of tender green beans and creamy mushroom soup, this dish offers a delightful twist on a classic favorite. What makes this recipe truly special is its simplicity; you can set it and forget it while the slow cooker does all the work. Enjoy the rich flavors topped with crispy fried onions for a satisfying crunch that everyone will love.
Why You’ll Love This Recipe
- Effortless Preparation: This casserole comes together in just five minutes with minimal effort.
- Delicious Flavor: The combination of creamy mushroom soup and spices creates a mouthwatering taste.
- Perfect for Any Occasion: Ideal for holidays, potlucks, or weeknight dinners, it fits all settings.
- Crowd-Pleaser: With 8 servings, it’s great for feeding family and friends without stress.
- Versatile: Easily adaptable; you can add your favorite ingredients to customize it.

Tools and Preparation
To make this Crockpot Green Bean Casserole, you’ll need some essential kitchen tools. These will help ensure everything runs smoothly as you create this tasty dish.
Essential Tools and Equipment
- Slow cooker
- Whisk
- Mixing bowl
- Nonstick cooking spray
Importance of Each Tool
- Slow cooker: The heart of this recipe; it allows the flavors to meld beautifully while cooking slowly.
- Whisk: Helps combine the cream of mushroom soup and milk until smooth, ensuring even flavor throughout.
Ingredients
This Crockpot Green Bean Casserole is a delicious, easy version of the Classic Green Bean Casserole Recipe. Tender green beans, cream of mushroom soup, milk and spices are slow cooked together and topped with crispy fried onions.
For the Base
- 1 can cream of mushroom soup
- 1 cup milk
- 1 teaspoon black pepper
- ½ teaspoon garlic powder
For the Main Dish
- 2 14-ounce cans green beans (drained)
- 1 6-ounce can crispy fried onions
How to Make Crockpot Green Bean Casserole
Step 1: Prepare the Soup Mixture
- Whisk together the cream of mushroom soup and milk until well combined.
- Add black pepper and garlic powder to enhance flavor.
Step 2: Combine with Green Beans
- Add the drained green beans into the soup mixture.
- Stir to coat all beans evenly.
Step 3: Set Up Your Slow Cooker
- Grease the bowl of a slow cooker with nonstick cooking spray.
- Pour in the green bean mixture from step two.
Step 4: Add Fried Onions
- Stir in half of the crispy fried onions to infuse extra crunch.
Step 5: Cooking Time
- Set your slow cooker to cook on low for four hours or high for two hours.
- Ensure it’s covered to keep moisture in.
Step 6: Serve with Style
- Just prior to serving, pour on the remaining fried onions for added texture.
- Enjoy your delicious Crockpot Green Bean Casserole!
How to Serve Crockpot Green Bean Casserole
Crockpot Green Bean Casserole is a versatile dish that can enhance any meal. Whether you are hosting a holiday gathering or enjoying a family dinner, this casserole pairs well with a variety of entrees and sides.
Pair with Roasted Meats
- Roast Chicken: The savory flavors of roast chicken complement the creamy texture of the casserole.
- Pork Loin: A seasoned pork loin adds a delicious contrast to the green bean casserole.
Add a Fresh Salad
- Caesar Salad: Crisp romaine lettuce and parmesan create a refreshing balance against the rich casserole.
- Garden Salad: Mixed greens with assorted vegetables provide a light, crunchy side.
Serve with Bread
- Garlic Bread: The buttery garlic flavor enhances the meal and makes it even more comforting.
- Dinner Rolls: Soft, fluffy rolls can be used to scoop up the casserole for an enjoyable bite.
Include Holiday Favorites
- Turkey: A classic pairing for Thanksgiving, turkey is a staple that goes hand-in-hand with green bean casserole.
- Ham: Sweet glazed ham pairs beautifully with the savory flavors of this dish.
How to Perfect Crockpot Green Bean Casserole
To ensure your Crockpot Green Bean Casserole turns out perfectly every time, follow these simple tips for the best results.
- Use Fresh Ingredients: Fresh green beans can elevate the dish’s flavor and texture compared to canned alternatives.
- Adjust Seasoning: Taste while cooking and adjust spices like black pepper and garlic powder to suit your palate.
- Layer Your Ingredients: Layering can help distribute flavors evenly. Mix half of the fried onions into the beans before cooking.
- Avoid Overcooking: Monitor cooking times; overcooked green beans lose their vibrant color and crispness.
- Add Cheese for Extra Flavor: Incorporate shredded cheese into the mixture before cooking for added creaminess.
Best Side Dishes for Crockpot Green Bean Casserole
Crockpot Green Bean Casserole makes an excellent addition to any meal. Here are some fantastic side dishes that pair wonderfully with it:
- Mashed Potatoes: Creamy mashed potatoes are a comforting classic that balances well with green beans.
- Cornbread: Sweet cornbread brings a delightful contrast and is perfect for sopping up gravy.
- Stuffing: Savory stuffing adds depth, especially during holiday meals.
- Roasted Brussels Sprouts: The earthy flavor of Brussels sprouts complements the richness of the casserole.
- Sweet Potato Casserole: Sweet potatoes offer a natural sweetness that contrasts nicely with the savory green beans.
- Grilled Asparagus: Lightly grilled asparagus provides a fresh crunch that enhances your plate’s overall appeal.
Common Mistakes to Avoid
When making your Crockpot Green Bean Casserole, it’s easy to make a few common mistakes. Here are some tips to help you achieve the best results.
- Using the wrong type of beans: Ensure you use canned green beans for the right texture. Fresh or frozen beans may not cook evenly in the slow cooker.
- Skipping the seasoning: Don’t forget to add spices like black pepper and garlic powder. Seasoning enhances the flavors and makes your casserole irresistible.
- Overloading the slow cooker: Avoid filling your crockpot beyond its capacity. This can lead to uneven cooking and longer cooking times.
- Not mixing thoroughly: Be sure to mix all ingredients well before cooking. This ensures that every bite is flavorful and delicious.
- Serving immediately after cooking: Allow the casserole to sit for a few minutes after cooking. This helps enhance the flavors and allows for easier serving.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftover Crockpot Green Bean Casserole in an airtight container.
- It will last up to 3-4 days in the refrigerator.
Freezing Crockpot Green Bean Casserole
- Place cooled casserole in a freezer-safe container or bag.
- It can be frozen for up to 2 months for best quality.
Reheating Crockpot Green Bean Casserole
- Oven: Preheat oven to 350°F (175°C). Cover with foil and heat for about 20-30 minutes until warm.
- Microwave: Use a microwave-safe dish. Heat in 1-minute intervals, stirring between each until hot.
- Stovetop: Heat in a saucepan over medium heat, stirring occasionally until warmed through.
Frequently Asked Questions
Here are some common questions about making Crockpot Green Bean Casserole.
Can I use fresh green beans instead of canned?
Fresh green beans can be used, but they require longer cooking times. Canned green beans are quick and easy, ensuring perfect results.
How do I make this recipe gluten-free?
To make a gluten-free version of Crockpot Green Bean Casserole, use gluten-free cream of mushroom soup. Always check labels for hidden gluten sources.
What can I serve with Crockpot Green Bean Casserole?
This casserole pairs well with roasted meats, mashed potatoes, or as part of a holiday feast. It adds comfort and flavor to any meal.
Can I customize this recipe?
Absolutely! You can add cheese for a cheesy twist or incorporate other vegetables like mushrooms or corn for added flavor and texture.
Final Thoughts
Crockpot Green Bean Casserole is a comforting dish that brings joy to any table. Its ease of preparation makes it perfect for gatherings or weeknight dinners. Feel free to customize it by adding extra toppings or ingredients based on your taste!

Crockpot Green Bean Casserole
- Total Time: 4 hours 5 minutes
- Yield: 8 servings 1x
Description
Crockpot Green Bean Casserole is the ultimate comfort food that brings warmth and joy to any table. This creamy, savory dish features tender green beans enveloped in a rich mushroom soup, topped with crispy fried onions for that delightful crunch. Ideal for holiday gatherings, potlucks, or weeknight dinners, it’s a simple yet delicious addition to your meal repertoire. With just five minutes of prep time, you can set it and forget it while the slow cooker does all the work. Perfectly portioned for eight servings, this casserole is not only easy to make but also a crowd-pleaser that will have everyone reaching for seconds.
Ingredients
- 1 can cream of mushroom soup
- 1 cup milk
- 1 teaspoon black pepper
- ½ teaspoon garlic powder
- 2 14-ounce cans green beans (drained)
- 1 6-ounce can crispy fried onions
Instructions
- In a mixing bowl, whisk together cream of mushroom soup and milk until smooth. Stir in black pepper and garlic powder.
- Add drained green beans and mix until evenly coated.
- Spray the slow cooker with nonstick cooking spray and pour in the green bean mixture.
- Fold in half of the crispy fried onions for added crunch.
- Cover and cook on low for four hours or high for two hours.
- Before serving, sprinkle the remaining fried onions on top for extra texture.
- Prep Time: 5 minutes
- Cook Time: 240 minutes
- Category: Side Dish
- Method: Slow Cooking
- Cuisine: American
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 220
- Sugar: 3g
- Sodium: 680mg
- Fat: 10g
- Saturated Fat: 3g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 26g
- Fiber: 5g
- Protein: 6g
- Cholesterol: 10mg
Keywords: For a cheesy variation, incorporate shredded cheese into the mixture before cooking. Fresh green beans can be used but may require longer cooking times.