Classic Green Bean Casserole is more than just a dish; it’s a beloved tradition that graces tables during holiday feasts, family gatherings, and cozy weeknight dinners alike. This creamy, comforting casserole has its roots in the 1950s when the Campbell Soup Company introduced it as a way to combine their cream of mushroom soup with fresh green beans and crispy onions. Since then, Classic Green Bean Casserole has woven itself into the fabric of American comfort food, bringing warmth and nostalgia to every bite. With its irresistible combination of flavors and textures, it’s no wonder that this dish continues to be a favorite among families for generations.
What Is Classic Green Bean Casserole
At its core, Classic Green Bean Casserole is a delightful blend of tender green beans, creamy mushroom sauce, and a crunchy topping of fried onions. The dish strikes a harmonious balance between creamy and crisp, with the freshness of the green beans perfectly complementing the savory richness of the sauce. Unlike other casseroles that may rely heavily on cheese or meat, this recipe stands out with its clean yet comforting flavors. Whether served as a side or a main dish, Classic Green Bean Casserole is a versatile addition to any meal.
Why You’ll Fall in Love with This Recipe
- Easy to Prepare: With minimal ingredients and straightforward steps, you can whip it up in no time.
- Deliciously Comforting: The creamy texture and savory flavors make it a crowd-pleaser.
- Family-Friendly: Kids and adults alike will love this dish, making it perfect for any gathering.
- Great for Leftovers: The flavors meld beautifully, making it even tastier the next day.
How Does It Taste?
Classic Green Bean Casserole offers a symphony of flavors that dance on your palate. The natural sweetness of the green beans provides a refreshing base, while the creamy mushroom sauce adds a savory richness that feels indulgent yet comforting. Each bite is topped with a satisfying crunch from the fried onions, providing a delightful contrast in texture. The overall flavor profile is a perfect balance of savory and slightly earthy, with hints of onion and garlic that elevate the dish without overpowering the fresh taste of the green beans. It’s a dish that feels both nostalgic and exciting, inviting you to dig in for seconds.
Health & Ingredient Benefits
Classic Green Bean Casserole isn’t just delicious; it also features some wholesome ingredients that bring health benefits to the table:
- Green Beans: Packed with vitamins A, C, and K, they are low in calories and high in fiber, making them a great choice for overall health.
- Mushroom Soup: A comforting base that adds depth and richness without the need for heavy cream.
- Onions: Full of antioxidants and anti-inflammatory properties, they lend a sweet and savory flavor that enhances the casserole.
- Milk: Adds creaminess and calcium, contributing to a balanced dish.
So, let’s dive into making this Classic Green Bean Casserole that not only warms the heart but also nourishes the body!
Ingredients You’ll Need
- 1 pound fresh green beans – adds a crisp texture and vibrant color
- 1 can (10.5 oz) cream of mushroom soup – provides creaminess and a savory base
- 1 cup milk – thins the soup and enhances creaminess
- 1 cup French fried onions – for that signature crunch and flavor
- 1 teaspoon soy sauce – adds depth and umami flavor
- Salt and pepper to taste – essential for balancing flavors
Tools You’ll Need
- Large pot – for blanching the green beans
- Mixing bowl – to combine ingredients
- Baking dish (2-quart) – to bake the casserole
- Spoon or spatula – for mixing
- Oven – to bake the casserole
Optional Substitutions & Additions
- Dairy-free options: Use a plant-based cream of mushroom soup and almond or oat milk.
- Spice variations: Add a pinch of garlic powder or onion powder for extra flavor.
- Protein boost: Stir in cooked chicken or turkey for added substance.
- Herb enhancement: Fresh thyme or rosemary can elevate the dish’s aromatic profile.
How to Make Classic Green Bean Casserole
Step 1: Prepare the Green Beans
Start by bringing a large pot of salted water to a boil. Once boiling, add the fresh green beans and blanch them for about 5-7 minutes until they are bright green and tender-crisp. Drain the beans and immediately transfer them to an ice bath to stop the cooking process. This keeps their vibrant color and crunch intact.
Step 2: Mix the Casserole Base
In a mixing bowl, combine the cream of mushroom soup, milk, soy sauce, salt, and pepper. Whisk the mixture until it is smooth and creamy, ensuring there are no lumps from the soup. The consistency should be pourable but thick enough to coat the beans.
Step 3: Combine All Ingredients
In a large baking dish, combine the blanched green beans with the soup mixture. Stir well to ensure all the beans are evenly coated. Then, fold in half of the French fried onions, which will add flavor and a delightful crunch to the casserole.
Step 4: Bake the Casserole
Preheat your oven to 350°F (175°C). Once preheated, place the baking dish in the oven and bake for about 25 minutes. The casserole should be bubbly around the edges, and the top should begin to set.
Step 5: Add the Crunchy Topping
After 25 minutes, remove the casserole from the oven and sprinkle the remaining French fried onions evenly over the top. Return it to the oven and bake for an additional 10-15 minutes, or until the onions are golden brown and crispy. This step is crucial for achieving that iconic texture!
Step 6: Serve and Enjoy
Once out of the oven, let it cool for a few minutes. This will help the casserole set a bit more, making it easier to serve. Scoop portions onto plates and enjoy the rich flavors and textures of this holiday classic!
What to Serve With
This classic green bean casserole pairs wonderfully with roasted turkey, ham, or beef dishes. For sides, consider serving it alongside mashed potatoes, stuffing, or cranberry sauce. As for drinks, a light white wine or non-alcoholic sparkling cider complements the meal beautifully.
Tips for Success
- Don’t overcook the green beans during blanching; they should remain slightly crisp for the best texture.
- Make sure to use fresh ingredients for the best flavor; canned beans can lead to a mushy casserole.
- For extra flavor, consider adding sautéed mushrooms or garlic to the mixture.
- Let the casserole rest for a few minutes before serving; this enhances the flavor and allows for easier serving.
Common Mistakes to Avoid
- Overcooking the casserole can lead to mushy beans and a less appealing texture.
- Skipping the ice bath can result in overcooked beans; always cool them down quickly!
- Using low-quality cream of mushroom soup can affect the overall taste; opt for a good brand.
- Forgetting to add the onions until the end can lead to a lack of crunch; mix them in before baking!
How to Store & Reheat
Storing
Allow any leftover casserole to cool completely before transferring it to an airtight container. It can be stored in the refrigerator for up to 3-4 days. If you plan to keep it longer, consider freezing it for up to 2-3 months. Just remember, the texture may change slightly once thawed.
Reheating
To reheat, you can place the casserole in a preheated oven at 350°F (175°C) for about 20-25 minutes, until heated through. For individual portions, microwave them in 30-second intervals until warm, but be mindful of not overcooking the beans.
Frequently Asked Questions
- Can I use frozen green beans? Yes, but I recommend thawing and draining them first to avoid excess moisture.
- Is it possible to make this casserole ahead of time? Absolutely! You can prepare it a day in advance and refrigerate it before baking.
- Can I use other types of soup? While cream of mushroom is traditional, you can experiment with cream of celery or cheddar for different flavors.
- What if I don’t have French fried onions? You can substitute crushed crackers or breadcrumbs mixed with melted butter for a crunchy topping.
Nutritional Info
This classic green bean casserole per serving typically contains around 150 calories, with approximately 6g of fat, 20g of carbohydrates, and 3g of protein. Keep in mind that these values can vary based on specific ingredients used and serving sizes.

Final Thoughts
If you’re looking for a comforting and delicious side dish to elevate your meal, the Classic Green Bean Casserole is a must-try! This beloved recipe brings together tender green beans, creamy mushroom sauce, and crispy fried onions, creating a delightful harmony of flavors and textures that will surely impress your family and friends. I love how easy it is to prepare, making it the perfect addition to any gathering or holiday feast. Plus, the nostalgia of this dish will warm your heart and bring back cherished memories. So, gather your ingredients and let the Classic Green Bean Casserole shine at your table—it’s a dish that truly embodies the spirit of togetherness and celebration!

Classic Green Bean Casserole
Made with canned green beans, cream of mushroom soup, and fried onions, this Classic Green Bean Casserole is always a hit on the holiday table.
Ingredients You’ll Need
- 2 (10.5 oz) cans cream of mushroom soup
- 1 cup milk
- 1 teaspoon soy sauce
- Black pepper to taste
- 5 (14.5 oz) cans green beans, drained
- 2-3 cups French fried onions
Instructions
-
Step 1
Preheat oven to 350°F. -
Step 2
In a 13×9″ baking dish, combine the cream of mushroom soup, milk, soy sauce, pepper, and green beans. -
Step 3
Bake for 25 minutes. -
Step 4
Top with the fried onions and bake an additional 5 minutes.
Important Information
Nutrition Facts
Per serving: ~350 calories. Based on a 2000 calorie diet.
Allergy Information
Always check labels for specific allergen information.



