The Classic Green Bean Casserole is a beloved dish often seen on holiday tables, especially during Thanksgiving. It’s a comforting and hearty side that features fresh green beans, a rich cream of mushroom base, and crispy fried onions for texture and flavor. This recipe puts a simple yet delicious twist on the traditional casserole, using everyday ingredients for a dish that’s sure to be a crowd-pleaser. Follow this guide to create the perfect green bean casserole to impress your family and friends. Keep reading to learn everything from the essential ingredients to presentation tips and variations!

What is a Green Bean Casserole?
A Green Bean Casserole is a classic American dish that combines tender green beans with a creamy, savory mushroom-based sauce, all topped with crunchy fried onions. It’s a one-pan dish that’s easy to make yet full of flavor. Traditionally, it’s baked to perfection in the oven, making it a perfect side dish for large gatherings. The casserole is not only delicious but also easy to prepare, which is why it has remained a family favorite for decades.
Ingredients for Classic Green Bean Casserole
To create this iconic side dish, you will need the following ingredients:
- 4 cups fresh green beans, trimmed and cut into bite-size pieces: Fresh green beans bring a bright flavor and texture, but you can also use frozen or canned green beans.
- 10.5 oz. can cream of mushroom soup: This acts as the base for the casserole, adding a rich and creamy texture. The savory flavor of mushrooms pairs perfectly with green beans.
- ½ cup milk: Milk helps thin out the soup and creates a smoother, creamier consistency in the casserole.
- 1 teaspoon Worcestershire sauce: This adds depth of flavor, bringing a slight umami taste that enhances the richness of the dish.
- ½ teaspoon black pepper: Pepper gives the casserole just a bit of spice and balances the richness of the creamy sauce.
- 1 ⅔ cups crispy fried onion strings, divided: These add crunch and a slightly sweet onion flavor, both in the casserole and as a topping.
- 1 cup sharp cheddar cheese, shredded: Cheese brings a creamy, tangy richness to the dish, making it even more irresistible.
Substitutions and Variations
While this recipe sticks to the traditional ingredients, there are several substitutions and variations you can try to customize your Green Bean Casserole:
- Canned or frozen green beans: If fresh green beans aren’t available, feel free to use canned or frozen green beans. Canned beans will be softer, while frozen beans will retain a bit more texture after cooking.
- Alternative soups: If you’re not a fan of mushrooms, try using cream of chicken or cream of celery soup instead. Each provides a slightly different flavor while keeping the creamy consistency intact.
- Different cheeses: Sharp cheddar is classic, but you can experiment with other types of cheese like Swiss, Gruyère, or Monterey Jack for added flavor complexity.
- Add bacon or ham: For a heartier dish, stir in cooked bacon bits or diced ham for a smoky, savory twist.
- Gluten-free version: Use a gluten-free cream of mushroom soup and swap out regular fried onions for a gluten-free variety.
Step-by-Step Cooking Instructions

- Preheat your oven to 350°F (175°C). This ensures the casserole will bake evenly once assembled.
- Cook the green beans: Bring a large pot of salted water to a boil and add the green beans. Boil for about 5 minutes, or until the beans are tender but still crisp. Drain and set aside.
- Prepare the sauce: In a large mixing bowl, combine the cream of mushroom soup, milk, Worcestershire sauce, and black pepper. Stir until the mixture is smooth and well combined.
- Assemble the casserole: Add the cooked green beans to the bowl with the sauce and stir to coat the beans evenly. Next, stir in ⅔ cup of the crispy fried onion strings and half of the shredded cheese.
- Transfer to a baking dish: Pour the green bean mixture into a greased 9x13-inch baking dish, spreading it out into an even layer.
- Top with cheese and onions: Sprinkle the remaining shredded cheese over the top of the casserole. Then, evenly spread the remaining crispy fried onion strings on top.
- Bake: Place the casserole in the preheated oven and bake for 25-30 minutes, or until the cheese is melted and bubbly, and the fried onions on top are golden brown.
- Cool slightly and serve: Allow the casserole to cool for about 5 minutes before serving. This will help the dish set, making it easier to serve.
How to Cook Green Bean Casserole: A Step-by-Step Guide
Cooking a Green Bean Casserole is straightforward, but following a few key steps will ensure that your dish comes out perfectly every time. Start by preheating your oven, then cook the green beans until they’re tender but still crisp, as overcooking can result in mushy beans. Mixing the cream of mushroom soup with milk and Worcestershire sauce creates a creamy, flavorful sauce that coats the green beans perfectly. Assembling the casserole with layers of cheese and fried onions adds both richness and crunch. Baking the dish allows all the flavors to meld together while ensuring the top is crispy and golden. The result is a dish that is creamy, savory, and perfectly balanced in texture.
Common Mistakes to Avoid
- Overcooking the green beans: Boiling green beans for too long can result in a mushy texture. Make sure to cook them until they’re just tender to retain some crispness.
- Not seasoning the sauce: The cream of mushroom soup can be a bit bland on its own, so don’t forget to season it with black pepper and Worcestershire sauce for extra flavor.
- Skipping the fried onions in the casserole: The crispy fried onions aren’t just for the topping – mixing some into the casserole itself adds extra texture and flavor.
- Using a high oven temperature: Baking the casserole at too high a temperature can cause the cheese to burn before the dish is fully heated through. Stick to the recommended temperature of 350°F for the best results.
Serving and Presentation Tips
Once your Green Bean Casserole is baked to golden perfection, it’s time to serve it in a way that showcases its deliciousness. Here are a few tips for presenting this classic dish:
- Use a large serving spoon: The casserole has a creamy texture, so a wide spoon will help scoop up the perfect portion of beans, sauce, cheese, and crispy onions in every bite.
- Garnish with fresh herbs: For a pop of color and freshness, sprinkle some freshly chopped parsley or thyme on top just before serving.
- Serve in a rustic dish: Green Bean Casserole is a cozy, homey dish, so serving it in a rustic baking dish can complement its simple charm.
How to Serve Green Bean Casserole
Green Bean Casserole is best served hot, straight from the oven. It makes a great side dish for roasted meats like turkey, chicken, or ham, especially during holiday meals. It also pairs well with mashed potatoes, stuffing, and cranberry sauce. If you’re serving it as part of a potluck or buffet, consider keeping it warm in a chafing dish to ensure it stays at the perfect temperature throughout the meal.
Presentation Ideas for Green Bean Casserole
To make your Green Bean Casserole stand out on the table, consider these presentation ideas:
- Individual ramekins: For a more elegant presentation, bake the casserole in individual ramekins. This not only looks stylish but also ensures everyone gets their own portion.
- Decorative toppings: Add a layer of freshly grated Parmesan cheese or extra crispy bacon crumbles on top for an eye-catching finish.
- Layered effect: When assembling the casserole, layer some green beans first, then cheese, then onions, and repeat to create visible layers that add to the dish’s visual appeal.
Green Bean Casserole Recipe Tips
- Make it ahead: You can assemble the casserole up to a day in advance and store it in the refrigerator. When you’re ready to serve, just bake it as directed. This is especially handy during busy holiday meal prep.
- Customize the crunch: If you want more crunch in your casserole, add extra crispy fried onions to the topping, or even mix in some crushed crackers or breadcrumbs.
- Adjust the seasoning: If you prefer a bit more spice, consider adding a pinch of cayenne pepper or paprika to the sauce mixture.
Frequently Asked Questions (FAQs)
Can I use canned green beans?
Yes, canned green beans work fine in this recipe, but they’ll have a softer texture than fresh or frozen green beans. Make sure to drain them well before using.
Can I make this casserole ahead of time?
Absolutely! You can prepare the casserole and store it in the fridge for up to 24 hours before baking. Just add a few extra minutes to the bake time if you’re starting with a cold casserole.
How do I make this gluten-free?
To make this recipe gluten-free, use a gluten-free cream of mushroom soup and gluten-free crispy fried onions. You can also make your own fried onions using gluten-free flour.
How can I add more flavor?
For extra depth of flavor, try adding sautéed mushrooms, garlic, or shallots to the casserole. You can also mix in grated Parmesan cheese for added richness.
Conclusion
Green Bean Casserole is a timeless dish that’s both comforting and delicious. With its tender green beans, creamy mushroom sauce, and crispy onion topping, it’s no wonder this casserole has become a staple on so many dinner tables. Whether you’re making it for a special occasion or a weeknight dinner, this recipe is sure to please. Be sure to try the variations and tips provided to make this dish uniquely your own!
PrintClassic Green Bean Casserole Recipe
This classic green bean casserole recipe combines fresh green beans, cream of mushroom soup, sharp cheddar cheese, and crispy fried onions for a comforting, flavorful side dish. With simple ingredients and straightforward steps, it’s perfect for any gathering or holiday meal. Serve up this crowd-pleasing dish in no time!
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Total Time: 40 minutes
- Yield: 6 servings 1x
- Category: Side Dish
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
- 4 cups fresh green beans, trimmed and cut into bite-size pieces
- 10.5 oz. can cream of mushroom soup
- ½ cup milk
- 1 tsp Worcestershire sauce
- ½ tsp black pepper
- 1 ⅔ cups crispy fried onion strings, divided
- 1 cup sharp cheddar cheese, shredded
Instructions
- Preheat your oven to 350°F (175°C).
- Blanch the green beans in boiling water for 3-4 minutes. Drain and set aside.
- In a bowl, mix the cream of mushroom soup, milk, Worcestershire sauce, and black pepper until well combined.
- Stir in the blanched green beans, 1 cup of crispy fried onions, and shredded cheddar cheese.
- Transfer the mixture to a baking dish and bake for 25 minutes.
- Sprinkle the remaining crispy fried onions on top and bake for an additional 5-10 minutes until golden and crispy.
- Remove from the oven and serve hot.
Notes
- You can use canned green beans if fresh aren’t available; just skip the blanching step.
- For a richer flavor, swap sharp cheddar cheese with Gruyère or Parmesan.
Nutrition
- Serving Size: 1 serving
- Calories: 280
- Sugar: 4g
- Sodium: 560mg
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