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Green Bean Casserole – The Best Classic Holiday Side Dish

Isabella Moreno_300
Published : October 31, 2025
Updated : October 31, 2025

Classic Green Bean Casserole is one of those dishes that immediately takes me back to family gatherings and festive occasions. It’s simple yet bursting with flavor, offering that comforting blend of creaminess and crunch that we all love. Picture yourself cozying up with a warm bowl, a touch of nostalgia filling the air as you savor each bite. Whether you’re whipping it up for a holiday dinner or a weeknight family meal, this recipe is sure to become a staple in your home. Let’s dive into this delicious classic together!

Classic Green Bean Casserole topped with crispy onions served in a dish

Story Behind the Recipe

The origins of green bean casserole can be traced back to the 1950s when it was first introduced by Campbell’s Soup as a quick and comforting side dish. My grandmother would often make it during the holidays, and it was always a hit at the table. The comforting combination of green beans, creamy mushroom soup, and crunchy French fried onions made it a unique dish that brought everyone together. Over the years, I’ve experimented with different variations, but I always come back to this classic version that reminds me of home.

This dish is not just about flavor; it’s about sharing a moment with family and friends, creating fond memories over a hearty meal. It’s the kind of comfort food that warms your heart and fills your tummy. Whenever I prepare this green bean casserole, I look forward to the shared smiles and satisfying crunch of the crispy onions topping this delightful dish. I find great joy in sharing recipes that have a story, and this one is close to my heart.

By serving up this Classic Green Bean Casserole, we honor tradition while bringing a touch of nostalgia to our tables. The harmonizing flavors that emerge while baking create a savory aroma that fills the kitchen, enticing everyone to join in and enjoy. If you’re looking to enjoy the comforts of home, this recipe is a perfect starting point.

Pair this casserole with your favorite proteins or even alongside refreshing salads. To further inspire you, check out my Honeycrisp Apple and Feta Salad for a delightful combination!

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Classic Green Bean Casserole Recipe

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A warm and comforting green bean casserole bursting with creamy mushroom flavor and topped with crunchy fried onions, perfect for family gatherings.

  • Total Time: 45 minutes
  • Yield: 4 servings 1x

Ingredients

Scale
  • 2 cups Green Beans (fresh or canned)
  • 1 can Cream of Mushroom Soup
  • 1 cup Milk
  • 1 cup French Fried Onions
  • 1/2 teaspoon Soy Sauce
  • Salt and Pepper to taste

Instructions

  1. Preheat oven to 350°F (175°C) and grease a baking dish.
  2. In a large mixing bowl, combine green beans, cream of mushroom soup, milk, soy sauce, salt, and pepper. Mix thoroughly.
  3. Pour the mixture into the prepared baking dish and spread evenly.
  4. Sprinkle French fried onions on top.
  5. Bake for 25-30 minutes until golden brown and bubbly.
  6. Let cool for a few minutes before serving.

Notes

Feel free to add shredded cheese or fresh herbs for extra flavor. This casserole can be made in advance and stored in the fridge.

  • Author: Isabella Moreno
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Nutrition

  • Serving Size: 1 serving
  • Calories: 300
  • Sugar: 6g
  • Sodium: 350mg
  • Fat: 10g
  • Saturated Fat: 3g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 38g
  • Fiber: 4g
  • Protein: 8g
  • Cholesterol: 15mg

Why This Recipe Works

This Classic Green Bean Casserole stands out because of its simplicity and comfort. It’s easy enough to prepare for a weeknight dinner yet sophisticated enough to grace any holiday table. The ingredients create a delightful medley of flavors and textures that enhance the overall experience.

Fresh vs. Canned Green Beans

Using fresh green beans elevates the dish with their vibrant color and crunch, giving it a more substantial feel. However, if time is short, canned green beans are a convenient option that still provides great taste. No matter which you choose, the key is to ensure they are nicely cooked and seasoned.

The Creamy Mushroom Base

The star of this recipe is undoubtedly the creamy mushroom soup—a staple in many American kitchens. This rich and savory base marries perfectly with the green beans, providing warmth and richness. Adding milk creates a smoother texture and enhances the dish’s creaminess, making each bite truly comforting.

Crunch Factor with Fried Onions

Lastly, the crispy French fried onions on top add that all-important crunch, balancing the creaminess of the casserole underneath. They provide a satisfying contrast in texture that is essential for an enjoyable dish. An additional sprinkle of these crunchy toppings just before serving can take the fun factor over the top!

For more ideas on delicious holiday fare, check out my Pumpkin Spice Cookies!

For health-conscious readers, feel free to find tips for making your dish lighter or more nutritious by consulting resources available at Mayo Clinic.

Step-by-Step Instructions + Tips

Now it’s time to dive into making this fabulous Classic Green Bean Casserole! Follow these simple steps for a guaranteed success every time. Don’t be afraid to adjust seasonings according to your taste!

Preparation Before Baking

To start, you’ll need to preheat your oven to 350°F (175°C). This step is essential, ensuring that the casserole cooks evenly as it bakes. While your oven warms up, gather your ingredients and prepare your baking dish—grease it lightly for easier cleanup.

IngredientsMeasurements
Green Beans (fresh or canned)2 cups
Cream of Mushroom Soup1 can
Milk1 cup
French Fried Onions1 cup
Soy Sauce1/2 teaspoon
Salt and Pepperto taste

Mixing it Up

In a large mixing bowl, combine the green beans, cream of mushroom soup, milk, soy sauce, salt, and pepper. Ensure you mix everything thoroughly so that each component distributes evenly. This is the foundation of your casserole, and you want to ensure every spoonful is bursting with flavor.

Pour and Bake

Once everything is well mixed, pour the bean mixture into your prepared baking dish. Use a spatula to spread it evenly, allowing it to bake uniformly. The last step is to sprinkle your French fried onions liberally on top. This will create that characteristic crunchy layer that makes this dish so memorable!

Now, place the casserole in the oven and bake for 25-30 minutes. Keep an eye on it as it cooks; you’ll want it golden brown on top and deliciously bubbly around the edges. When you take it out, let it cool for a few minutes before serving. Enjoy!

For another delightful side option, check out my Sweet Potato Casserole.

Green bean casserole with crispy fried onions and creamy sauce, perfect holiday side.

Variations & Serving Ideas

One of the best parts of this Classic Green Bean Casserole is its versatility! Feel free to experiment and make it your own or adapt it based on what you have on hand. Here are some creative ideas to inspire you.

Cheesy Twist

Add a layer of shredded cheese, like cheddar or mozzarella, either mixed with the green bean base or sprinkled on top, for an extra creamy and cheesy experience. The ooey-gooey cheese will melt beautifully, making this casserole an even more decadent treat.

Herb Infusion

Incorporate fresh herbs like thyme or rosemary for an aromatic touch that will elevate the flavor profile. Sprinkle some on top before baking or mix them into the sauce for a more earthy flavor.

Protein Options

Consider adding cooked chicken or turkey for a heartier one-dish meal. This not only increases the dish’s nutritional value but transforms the casserole into a fulfilling main dish that can stand alone.

Final Thoughts

I hope this Classic Green Bean Casserole recipe inspires you to create delicious memories at home. It’s a dish filled with comfort and warmth, perfect for any occasion. Trust me, your family and friends will keep coming back for seconds (or thirds!).

Remember, cooking is all about experimentation and making adjustments to suit your taste. I encourage you to share your versions with me! Don’t forget to connect with other food lovers on my Pinterest page, Follow me on Pinterest for more delicious recipes and ideas.

Join me in creating a legacy of tasty meals wrapped in love. Cheers to every delicious bite from your kitchen!

FAQ

Can I use other vegetables in this casserole?

Absolutely! In addition to green beans, you can mix in vegetables like peas or corn for more color and flavor. Just be sure to adjust cooking times if you’re using fresh vegetables to ensure they’re cooked through.

How can I make this casserole gluten-free?

To create a gluten-free version, simply use a gluten-free cream of mushroom soup and ensure that the soy sauce is also gluten-free. This way, you can enjoy this classic dish without any worries.

How do I store leftovers?

Stored in an airtight container in the fridge, this casserole can last up to 3-4 days. To reheat, pop it back in the oven at 350°F until warmed through, or microwave until hot. Just be cautious not to dry it out!

Can I prepare this casserole in advance?

Yes! You can prepare the casserole in advance and assemble the ingredients, then cover and refrigerate it until you’re ready to bake. Just add a few extra minutes to the baking time if cooking it straight from the fridge.

Is there a vegan version of this recipe?

Certainly! To make this casserole vegan, use a dairy-free cream of mushroom soup, such as those made with coconut milk or cashew cream, and substitute the milk with almond or soy milk. This way, you can enjoy a hearty and plant-based option!

About the author

This recipe was crafted by Isabella Moreno, a food lover who explores vegetarian traditions from around the world. She turns her travels into easy recipes you can enjoy at home.

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