Every Thanksgiving, the Green Bean Casserole brings comfort and nostalgia to the table. It turns simple green beans into a creamy, crispy masterpiece. This dish connects generations through shared memories.
Remember watching your grandmother layer green beans with cream of mushroom soup? Then, she’d top it with crispy fried onions. The Green Bean Casserole is more than a side dish. It’s a tradition that touches the heart of family gatherings.
Everyone loves this recipe, from busy home cooks to professional chefs. Its simple ingredients and easy preparation make it perfect for holiday meals. Whether you’re experienced or new to cooking, mastering the Green Bean Casserole will make your Thanksgiving spread special.
In this guide, we’ll cover everything you need to know about the Green Bean Casserole. You’ll learn its history, essential ingredients, and tips to make your dish unforgettable.

Classic Green Bean Casserole
Equipment
- Baking dish
- Mixing Bowl
- Measuring Cups
- Oven
- colander if using canned beans
- Saucepan if blanching fresh beans
Ingredients
- 4 cups green beans (fresh or canned)
- 1 can cream of mushroom soup
- ½ cup milk
- 1 ⅓ cups crispy fried onions
- ½ tsp salt
- ¼ tsp black pepper
Instructions
- Preheat oven to 350°F (175°C).
- If using canned green beans, drain them. If using fresh green beans, blanch in boiling water for 3–4 minutes, then drain.
- In a large bowl, mix green beans, cream of mushroom soup, milk, salt, and pepper until well combined.
- Transfer the mixture to a baking dish and spread evenly.
- Top with 2/3 of the crispy fried onions.
- Bake uncovered for 25–30 minutes until hot and bubbly.
- Sprinkle remaining onions on top and bake for an additional 5 minutes until golden brown.
- Let it rest for 5–10 minutes before serving to set.
Notes
Nutrition
Table of Contents
History and Origin of Green Bean Casserole
Green bean casserole is a favorite at Thanksgiving. It began in the 1950s with a big change in holiday cooking.
The story starts with Dorcas Reilly, a skilled home economist at Campbell’s Soup Company. She aimed to make tasty, easy recipes for home cooks.
How Green Bean Casserole Came to Be
In 1955, Reilly created a recipe that changed Thanksgiving. She wanted to use common ingredients found in most kitchens:
- Green beans
- Cream of mushroom soup
- Crispy fried onions
The Role of Campbell’s Soup in Popularizing the Dish
Campbell’s Cream of Mushroom soup was key. It made the dish creamy and rich, loved by families everywhere.
Because of its popularity, Campbell’s put the recipe on their soup labels. This helped spread the dish across America. What began as a simple recipe became a Thanksgiving classic, loved by many.
Essential Ingredients for Your Casserole
Making the perfect Green Bean Casserole begins with picking the right ingredients. These casseroles need a mix of fresh produce, creamy sauce, and crispy toppings. This mix creates a side dish that will wow your family and friends.
Fresh Green Beans vs. Canned Beans
Choosing between fresh and canned green beans is key for your Green Bean Casserole. Fresh beans give a crunchy texture and bright flavor but need more prep. Canned beans are quicker and give consistent results.
- Fresh green beans: Crunchier texture, more prep work
- Canned green beans: Quick and easy, uniform consistency
- Pro tip: If using fresh beans, blanch them briefly to maintain color and texture
The Importance of Cream of Mushroom Soup
Cream of mushroom soup is the magic ingredient in Green Bean Casserole. It makes a creamy sauce that holds the dish together.
- Provides creamy texture
- Adds depth of flavor
- Helps ingredients stick together
Choosing the Right Fried Onions
The crispy onion topping is essential for your casserole. Choose French’s or similar brands for a golden, crunchy topping. This adds the perfect finish to your easy casserole.
- French’s Classic Fried Onions recommended
- Look for golden, crispy texture
- Sprinkle generously before baking
Step-by-Step Guide to Making Green Bean Casserole
Making green bean casserole is easy and fun. It’s great for holidays or weeknights. Follow these steps to make a dish everyone will enjoy.

Gathering Your Ingredients
First, gather all your ingredients. You’ll need:
- Fresh or canned green beans
- Cream of mushroom soup
- Crispy fried onions
- Milk
- Salt and pepper
Preparing Your Casserole
Start by preparing your casserole. Here’s how:
- Preheat your oven to 350°F
- Drain green beans if using canned
- Mix beans with soup and milk
- Season with salt and pepper
- Transfer to a baking dish
- Top with crispy fried onions
Baking to Perfection
Bake for 25-30 minutes. The top should be golden and crispy. It’s ready when it bubbles around the edges.
Serving Your Casserole
Serve hot from the oven. Pro tip: Let it cool for 5-10 minutes. This makes it easier to serve. Your family will love this classic dish.
Variations on the Classic Green Bean Casserole
Thanksgiving classics like green bean casserole are great for trying new flavors and techniques. You can make your family sides more exciting with creative twists. These changes can make the traditional recipe even more comforting.

Healthier Ingredient Alternatives
Make your favorite Thanksgiving classic healthier with smart ingredient swaps. These changes cut calories without losing flavor. Here are some nutritious options:
- Replace cream of mushroom soup with Greek yogurt
- Use fresh mushrooms instead of canned varieties
- Swap regular fried onions for baked almond-flour coated onions
- Incorporate fresh herbs like thyme or rosemary for added flavor
Creative Culinary Twists
Take your family sides to the next level with unexpected ingredients. These additions bring depth and excitement to the traditional green bean casserole:
- Sprinkle crispy bacon bits for smoky flavor
- Add sharp cheddar or gruyere cheese for richness
- Mix in roasted garlic or caramelized shallots
- Top with toasted pecans or sliced almonds
| Variation | Key Ingredients | Flavor Profile |
|---|---|---|
| Bacon Lover’s | Crispy bacon, sharp cheddar | Smoky, rich |
| Herb Infused | Fresh thyme, rosemary | Aromatic, earthy |
| Nutty Crunch | Toasted pecans, almond-flour onions | Crunchy, sophisticated |
The best Thanksgiving classics are those that show your family’s unique taste. Feel free to experiment and make a green bean casserole that becomes your new holiday tradition.
Frequently Asked Questions About Green Bean Casserole
Green Bean Casserole is a classic dish that many people love. It’s perfect for holidays or as a tasty side dish. Here are answers to common questions to help you make it perfectly.
Make-Ahead Magic
Planning ahead can make your Green Bean Casserole preparation easier. You can make it up to two days before you serve it. Here are some tips:
- Assemble the casserole completely
- Cover tightly with aluminum foil
- Store in the refrigerator
- Wait to add crispy onion topping until just before baking
Leftover Love
Don’t worry about leftover Green Bean Casserole. It can be turned into something new and exciting. Here’s how to store and reuse it:
- Refrigerate within two hours of cooking
- Store in an airtight container
- Consume within 3-4 days
Use your leftovers to make a creamy green bean dip or add them to another casserole. Reheating in an oven at 350°F helps keep the onion topping crispy.
Freezing Considerations
Freezing Green Bean Casserole is possible, but the texture might change. If you freeze it, leave out the crispy onion topping. Add it fresh when you reheat. Frozen casserole can last up to a month if stored properly.
Tips for Perfecting Your Green Bean Casserole
Making the perfect Green Bean Casserole for Thanksgiving is more than just a recipe. Professional chefs focus on technique for this family favorite. Learning key strategies can make your casserole stand out.
Choose fresh green beans for the best taste. Don’t overcook them to avoid a mushy texture. Blanch them quickly to keep their color and crispness. Dry them well before mixing to prevent moisture issues.
Common Mistakes to Avoid
One big mistake is using too much liquid, making the casserole soggy. Drain canned items well and use less cream of mushroom soup. A thicker sauce keeps your dish creamy without being watery.
Recommended Cooking Tools and Utensils
Good kitchen tools can make a big difference. Use a ceramic or glass dish for even heat. A sharp knife and sturdy whisk are essential for prep and mixing. An instant-read thermometer ensures your casserole is cooked just right.





