If you're looking for a timeless dish that embodies the essence of comfort food and is perfect for family gatherings, look no further than the Traditional Green Bean Casserole. This beloved side dish is a staple at Thanksgiving, Christmas, and potlucks, bringing rich, creamy flavors paired with crispy onion toppings. It's the perfect combination of textures and tastes, and it's incredibly easy to prepare. In this recipe, we’ll show you how to make it step-by-step, provide ingredient substitutions, and offer serving and presentation tips to ensure your green bean casserole is the star of the table.
Let’s dive into the details and make sure your green bean casserole turns out perfectly every time!

What is a “Green Bean Casserole”?
A green bean casserole is a traditional American side dish that typically features green beans, a creamy mushroom sauce (usually from canned cream of mushroom soup), and crispy fried onions on top. The dish is baked until bubbly and golden brown, creating a deliciously creamy interior and a crunchy topping. It's been a part of holiday dinners for decades, with origins dating back to the 1950s when it was first introduced by the Campbell’s Soup Company.
Ingredients List for Traditional Green Bean Casserole
For this classic recipe, you’ll need simple, pantry-friendly ingredients. Here’s what you’ll need to gather:
- 4 cups fresh or 2 cans (14.5 oz each) of cut green beans – Fresh green beans offer the best flavor and texture, but canned or frozen beans are also convenient options.
- 1 can (10.5 oz) condensed cream of mushroom soup – This is the backbone of the casserole’s creamy sauce.
- ½ cup whole milk – Helps thin the soup to create a rich, creamy consistency.
- 1 teaspoon soy sauce – Adds a subtle umami flavor that deepens the dish.
- ¼ teaspoon black pepper – For a touch of seasoning to balance the creamy sauce.
- 1 ⅓ cups crispy fried onions – These give the casserole its signature crunchy topping.
Ingredients List for Variations of Green Bean Casserole
If you’re feeling adventurous or want to customize your green bean casserole, here are some additional ingredients and variations you can try:
- ½ cup shredded cheddar cheese – Add this to the sauce mixture for a cheesy twist.
- ¼ cup sautéed mushrooms – For a fresh and earthy flavor, use fresh mushrooms instead of relying solely on the soup.
- ¼ cup slivered almonds – For a nutty crunch, mix almonds into the casserole or sprinkle on top before baking.
- ½ cup bacon bits – For a smoky, savory flavor, stir bacon pieces into the green bean mixture.
- Garlic powder or onion powder – Add a pinch of either for extra seasoning.
Substitutions and Variations
The beauty of the green bean casserole is its adaptability. Whether you have dietary restrictions or prefer to try new flavors, there are plenty of ways to adjust this recipe to suit your needs.
- Dairy-free or Vegan Version: Use a dairy-free cream of mushroom soup and plant-based milk, such as almond or oat milk. Swap the crispy fried onions for gluten-free or vegan-friendly options.
- Gluten-free Version: Many brands offer gluten-free cream of mushroom soup and crispy fried onions. Also, check your soy sauce for gluten content or use tamari as a substitute.
- Healthier Version: For a lighter casserole, use low-sodium cream of mushroom soup and reduced-fat milk. You can also steam fresh green beans instead of using canned or frozen varieties.
Step-by-Step Cooking Instructions

Ready to whip up a delicious Traditional Green Bean Casserole? Follow these simple steps:
- Preheat the oven: Begin by preheating your oven to 350°F (175°C). This allows the casserole to bake evenly.
- Prepare the green beans: If using fresh green beans, trim the ends and cut them into bite-sized pieces. Blanch them in boiling water for 4-5 minutes, then drain and rinse with cold water. For canned green beans, simply drain and rinse them.
- Make the creamy sauce: In a large mixing bowl, combine the cream of mushroom soup, whole milk, soy sauce, and black pepper. Stir until smooth and well-blended.
- Add the green beans: Gently fold the green beans into the creamy sauce mixture until evenly coated.
- Assemble the casserole: Pour the green bean mixture into a 1 ½-quart casserole dish. Spread it out evenly, then top with ⅔ cup of crispy fried onions.
- Bake: Place the casserole in the preheated oven and bake uncovered for 25-30 minutes, or until the casserole is bubbly and the onions are golden brown.
- Add the final topping: Remove the casserole from the oven and sprinkle the remaining crispy fried onions on top. Bake for an additional 5-10 minutes, or until the onions are crisp and lightly browned.
- Serve: Let the casserole cool for a few minutes before serving to allow it to set.
How to Cook Green Bean Casserole: A Step-by-Step Guide
Cooking the perfect green bean casserole boils down to a few key steps. Here’s a quick guide to help you along the way:
- Blanch fresh green beans: This step ensures that fresh green beans retain a vibrant green color and don’t become mushy in the casserole.
- Mix the sauce thoroughly: Ensuring the mushroom soup, milk, and seasonings are well-combined will make your casserole creamy and evenly flavored.
- Add crispy onions at the right time: If you add all the onions at the start, they may burn. Add half at the beginning and the rest during the last few minutes of baking.
- Monitor the baking time: Keep an eye on the casserole during the last 10 minutes to avoid overcooking and drying out the dish.
Common Mistakes to Avoid
Even a simple dish like green bean casserole can go wrong if you're not careful. Here are some common pitfalls to steer clear of:
- Using canned green beans without rinsing: Canned beans can be too salty and mushy. Rinsing them before use helps remove excess sodium and improves texture.
- Skipping the blanching step for fresh beans: If you use fresh green beans without blanching, they may end up undercooked or too crunchy.
- Overbaking the casserole: Baking too long can result in dry, tough beans and a burnt onion topping.
- Adding all the fried onions at the start: To maintain a crispy onion topping, add half at the beginning and half later in the baking process.
Serving and Presentation Tips
Presentation matters, especially during the holidays! Here’s how to make your green bean casserole look as good as it tastes:
- Use a shallow casserole dish: A low, wide dish helps the casserole bake evenly and gives it a beautiful golden-brown top layer.
- Garnish with fresh herbs: For an added touch of freshness and color, sprinkle chopped parsley or thyme over the casserole before serving.
- Arrange fried onions carefully: For a decorative touch, arrange the crispy onions in a pattern or concentric circles on top of the casserole.
How to Serve Green Bean Casserole
Green bean casserole is a versatile side dish that pairs well with a wide range of main courses. Here are a few ideas:
- Alongside roasted turkey or chicken: This dish complements the savory flavors of roasted poultry.
- With mashed potatoes: Serve with creamy mashed potatoes and gravy for a traditional holiday meal.
- As part of a vegetarian spread: Pair it with other veggie sides, like roasted Brussels sprouts or sweet potato casserole.
Presentation Ideas for Green Bean Casserole
Want to take your presentation up a notch? Try these ideas:
- Use individual ramekins: Serve the casserole in small ramekins for individual portions that look elegant and polished.
- Sprinkle fried onions in a pattern: Instead of scattering the onions randomly, create a lattice or spiral pattern on top for a sophisticated touch.
Green Bean Casserole Recipe Tips
To ensure your casserole turns out perfectly, keep these tips in mind:
- Don’t skimp on the crispy onions: The crunchy topping is what makes this dish special. Use plenty of onions for maximum texture.
- Use fresh green beans if possible: While canned beans are convenient, fresh beans provide a better texture and flavor.
- Adjust seasonings to taste: Feel free to add extra garlic, pepper, or soy sauce to suit your family’s preferences.
Frequently Asked Questions (FAQs)
Q: Can I make green bean casserole ahead of time? A: Yes! You can prepare the casserole up to two days in advance. Assemble the dish (without the crispy onions), cover it with plastic wrap, and refrigerate. When ready to bake, add the onions and proceed with the recipe.
Q: Can I use frozen green beans instead of fresh or canned? A: Absolutely! Just thaw the beans first and drain any excess water before using them in the recipe.
Q: How do I store leftovers? A: Store any leftovers in an airtight container in the refrigerator for up to three days. Reheat in the oven at 350°F for about 15 minutes or until warmed through.
Q: Can I add cheese to the casserole? A: Yes! Many people enjoy adding shredded cheddar or parmesan to the casserole for an extra layer of flavor.
Conclusion
The Traditional Green Bean Casserole is a classic dish that will never go out of style. Its rich flavors, creamy texture, and crispy onion topping make it a must-have for any holiday meal. With the step-by-step guide, ingredient substitutions, and serving tips provided here, you’re well on your way to making the perfect green bean casserole. So gather your ingredients and start cooking—your guests will thank you!
PrintTraditional Green Bean Casserole Recipe
This traditional green bean casserole recipe features tender green beans mixed with a rich, creamy mushroom sauce, topped with crispy fried onions. It's a must-have for holiday dinners, blending savory flavors with a delightful crunchy texture. Ideal for Thanksgiving or any comforting family meal.
- 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
- 1 can (10.5 oz) condensed cream of mushroom soup
- ¾ cup milk
- 1 tsp soy sauce
- 4 cups cooked green beans
- 1 ⅓ cups crispy fried onions
- Salt and pepper to taste
Instructions
- Preheat oven to 350°F (175°C).
- In a mixing bowl, combine cream of mushroom soup, milk, soy sauce, salt, and pepper.
- Stir in the cooked green beans and ⅔ cup of fried onions.
- Transfer the mixture to a baking dish.
- Bake for 25 minutes until bubbly.
- Top with remaining fried onions and bake for another 5 minutes until golden brown.
- Serve warm.
Notes
- Use fresh green beans instead of canned for a fresher taste.
- Add sautéed mushrooms for extra flavor.
Nutrition
- Serving Size: ⅙ of casserole
- Calories: 200 kcal
- Sugar: 3g
- Sodium: 500mg
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