This green bean casserole is a classic comfort food dish that combines tender green beans with a creamy mushroom soup base. Topped with crispy french fried onions, it's a perfect side dish for any family gathering or holiday meal.
If you don't typically stock cream of mushroom soup or french fried onions in your pantry, you'll need to pick these up at the supermarket. The cream of mushroom soup provides the creamy base for the casserole, while the french fried onions add a delightful crunch on top.

Ingredients for Green Bean Casserole Recipe
Green beans: Fresh and trimmed, these are the main vegetable in the dish.
Cream of mushroom soup: A canned soup that forms the creamy base of the casserole.
Milk: Helps to thin out the soup and create a smooth sauce.
French fried onions: Crispy onions that add texture and flavor, used both in the casserole and as a topping.
Salt: Enhances the overall flavor of the dish.
Black pepper: Adds a bit of spice and depth to the flavor.
Technique Tip for This Recipe
When preparing the green beans, blanch them in boiling water for 2-3 minutes before adding them to the casserole. This will help maintain their vibrant color and crisp texture.
Suggested Side Dishes
Alternative Ingredients
green beans - Substitute with broccoli florets: Broccoli provides a similar texture and nutritional profile, making it a great alternative.
cream of mushroom soup - Substitute with cream of celery soup: Cream of celery offers a different but complementary flavor that works well in casseroles.
milk - Substitute with unsweetened almond milk: Unsweetened almond milk provides a similar consistency and is a good option for those who are lactose intolerant.
french fried onions - Substitute with panko breadcrumbs: Panko breadcrumbs add a similar crunch without the onion flavor, which can be enhanced with a bit of garlic powder.
salt - Substitute with soy sauce: Soy sauce adds a depth of flavor and umami, reducing the need for additional salt.
black pepper - Substitute with white pepper: White pepper provides a similar heat and flavor but is less visually noticeable in the dish.
Other Alternative Recipes Similar to This Dish
How To Store / Freeze This Dish
- Allow the green bean casserole to cool completely before storing. This helps prevent condensation, which can make the dish soggy.
- Transfer the casserole to an airtight container. If you don't have one large enough, you can use multiple smaller containers.
- For short-term storage, place the container in the refrigerator. The casserole will stay fresh for up to 3-4 days.
- If you plan to freeze the casserole, wrap the container tightly with aluminum foil or plastic wrap before placing it in the freezer. This helps to prevent freezer burn.
- Label the container with the date so you can keep track of how long it has been stored. The casserole can be frozen for up to 2-3 months.
- When ready to reheat, thaw the casserole in the refrigerator overnight if frozen.
- Preheat your oven to 350°F (175°C). Transfer the casserole to an oven-safe dish if it was stored in a non-oven-safe container.
- Cover the dish with aluminum foil to prevent the french fried onions from burning. Bake for 20-25 minutes or until heated through.
- For a crispy topping, remove the foil during the last 5 minutes of reheating. If the topping needs extra crisping, you can broil it for 1-2 minutes, keeping a close eye to prevent burning.
- Enjoy your reheated green bean casserole as if it were freshly made!
How To Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Transfer the green bean casserole to an oven-safe dish if it's not already in one.
- Cover the dish with aluminum foil to prevent the french fried onions from burning.
- Heat for about 20-25 minutes, or until the casserole is warmed through.
- For a crispy topping, remove the foil during the last 5 minutes of reheating.
Microwave Method:
- Place a portion of the green bean casserole in a microwave-safe dish.
- Cover the dish with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape.
- Microwave on medium power for 2-3 minutes.
- Stir the casserole and check the temperature.
- Continue microwaving in 1-minute intervals until heated through, ensuring the french fried onions remain crispy.
Stovetop Method:
- Place a non-stick skillet over medium heat.
- Add a small amount of olive oil or butter to the skillet.
- Add the green bean casserole to the skillet, spreading it out evenly.
- Cover the skillet with a lid to help retain moisture.
- Heat for about 10-15 minutes, stirring occasionally, until the casserole is thoroughly warmed.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the green bean casserole in an air fryer-safe dish.
- Cover the dish with aluminum foil to protect the french fried onions.
- Heat for about 10-15 minutes.
- For a crispy topping, remove the foil during the last 3-5 minutes of reheating.
Best Tools for This Recipe
Oven: Used to bake the casserole at the specified temperature of 350°F (175°C).
Mixing bowl: Used to combine the green beans, cream of mushroom soup, milk, salt, and pepper.
Measuring cups: Used to measure out the milk and french fried onions accurately.
Measuring spoons: Used to measure the salt and black pepper.
Baking dish: Used to hold the casserole mixture while it bakes in the oven.
Spatula: Used to stir the ingredients together in the mixing bowl.
Knife: Used to trim and cut the green beans into 1-inch pieces.
Cutting board: Used as a surface to trim and cut the green beans.
Oven mitts: Used to safely handle the hot baking dish when removing it from the oven.
How to Save Time on Making This Recipe
Use pre-trimmed beans: Save time by buying pre-trimmed green beans from the store.
Microwave the beans: Quickly steam the green beans in the microwave for a few minutes before mixing.
Pre-mix ingredients: Combine cream of mushroom soup, milk, salt, and pepper the night before.
Use a single dish: Mix everything directly in the baking dish to reduce cleanup.
Pre-measure onions: Measure out the french fried onions ahead of time to streamline the process.

Green Bean Casserole Recipe
Ingredients
Main Ingredients
- 4 cups Green Beans trimmed and cut into 1-inch pieces
- 1 can Cream of Mushroom Soup 10.5 oz
- 1 cup Milk
- 1.5 cups French Fried Onions divided
- 1 teaspoon Salt
- 1 teaspoon Black Pepper
Instructions
- Preheat your oven to 350°F (175°C).
- In a mixing bowl, combine the green beans, cream of mushroom soup, milk, salt, and pepper.
- Stir in 1 cup of the French fried onions.
- Pour the mixture into a baking dish.
- Bake for 25 minutes, then sprinkle the remaining 0.5 cup of French fried onions on top.
- Bake for an additional 5 minutes or until the onions are golden brown.
Nutritional Value
Keywords
More Amazing Recipes to Try 🙂
- Green Chili Stew Recipe1 Hours
- West African Peanut Stew Recipe1 Hours
- Boilermaker Tailgate Chili Recipe2 Minutes
- Slow Cooker Beef Bourguignon Recipe8 Hours 30 Minutes
- Instant Pot Chili Recipe30 Minutes
- Beef and Guinness Stew Recipe2 Hours 50 Minutes
- Baybreeze Cocktail Recipe5 Minutes
- Beef Stew with Dumplings Recipe2 Hours 30 Minutes
Leave a Reply