
Green bean casserole is a classic holiday side dish that can be made in an air fryer in under 20 minutes. The recipe typically includes green beans, cream of mushroom soup, milk, and fried onions, but can be modified to include other ingredients like cheese, garlic powder, and bacon. The versatility of this recipe makes it a popular choice for those looking to add a creamy, savory, and crunchy dish to their holiday meals or weeknight dinners.
| Characteristics | Values |
|---|---|
| Ingredients | Cream of mushroom soup, milk, green beans, salt, pepper, garlic powder, cheese, fried onions, soy sauce, Parmesan cheese, bacon, mushrooms, carrots, bell peppers, baby corn, zucchini, broccoli, cauliflower, potatoes, spinach, kale |
| Preparation | Mix ingredients in a bowl, transfer to a baking dish, air fry for 10-15 minutes, sprinkle fried onions on top, air fry for 2-3 minutes |
| Temperature | 325°F to 350°F |
| Timing | Can be made 2-3 days in advance |
| Storage | Cover and refrigerate |
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What You'll Learn

Choosing the right green beans
Fresh green beans offer the best taste and texture for this recipe. Look for bright, firm beans with smooth, unblemished skins. Avoid any that appear wilted, discoloured, or soft as they will not hold their shape during cooking. Before adding them to your casserole, it is recommended to steam or sauté them first to enhance their flavour and texture.
If you choose frozen green beans, ensure they are thoroughly thawed before use. Frozen beans are convenient when fresh beans are out of season, and they can be added directly to the casserole without pre-cooking. However, if you prefer a more crunchy texture, consider air frying them first before adding them to the casserole.
Canned green beans are the most convenient option as they are already cooked and only need to be drained and rinsed before use. They are a good alternative if you don't have access to fresh or frozen beans, but they may be softer in texture. If you prefer a firmer bean, you can air fry them for a few minutes before adding them to the casserole.
Regardless of the type of green beans you choose, it is important to select a variety that is uniform in size so that they cook evenly in the casserole. Additionally, you can cut the beans into bite-sized pieces to ensure a more consistent texture throughout the dish.
By choosing the right type of green beans and preparing them appropriately, you can ensure that your air-fried green bean casserole has the perfect texture and flavour.
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Preparing the beans
Once you've chosen your beans, place them in an air fryer-safe baking dish that fits in your air fryer. If you're using an oven-style air fryer, an 8-inch dish is recommended. For basket-style air fryers, a 7-inch bucket-style baking pan with handles works well. Spray the beans with oil and place the dish in the middle rack or basket of your air fryer. Set the temperature to 340°F/170°C and air fry for 12 minutes, stirring halfway through. If needed, stir 3 times during cooking and continue until the beans are cooked to your desired texture.
Now that the beans are cooked, it's time to mix them with the other ingredients. Remove the dish from the air fryer and set it aside. The next step is to combine the beans with the cream of mushroom soup, milk, and seasonings. You can also add cheese, soy sauce, or other vegetables of your choice. Mix everything together in a medium-sized bowl, then pour the mixture back into the baking dish.
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Mixing the ingredients
To make a green bean casserole in an air fryer, you will need a few simple ingredients. The exact quantities of each ingredient will depend on the number of servings you want to make, but a good rule of thumb is to use equal parts of each ingredient.
Firstly, you will need to prepare the green beans. You can use fresh, frozen, or canned green beans for this recipe. If you are using fresh green beans, it is recommended to cook them first in a skillet or pan until they are tender, and then let them cool down before adding them to the casserole. This will ensure that the green beans have a good texture and are not mushy in the final dish. If you are using frozen green beans, you can cook them from frozen or thaw them beforehand. For canned green beans, be sure to drain the water before adding them to the recipe.
Once your green beans are prepared, you can start mixing the ingredients. In a medium-sized mixing bowl, combine the cream of mushroom soup, milk, salt, and pepper. You can also add some garlic powder or soy sauce to taste. Stir these ingredients together until they are well combined. If you want to add some extra flavour and texture, you can also mix in some crumbled cooked bacon, sliced mushrooms, or sautéed onions.
Next, add the green beans to the mixing bowl. If you are using frozen or canned green beans, be sure to drain them first to remove any excess liquid. Stir the green beans into the soup mixture until they are well coated.
Finally, you can add some crispy onions to the mixture. You can either use store-bought French-fried onions or make your own by slicing onions and air frying them until they are crispy. Add half of the crispy onions to the mixing bowl and stir them into the casserole mixture.
Now your green bean casserole is ready to be poured into a baking dish and placed in the air fryer!
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Cooking the casserole
Firstly, prepare your ingredients: cream of mushroom soup, milk, green beans, salt, pepper, garlic powder (optional), cheese (optional), and fried onions. You can use fresh, frozen, or canned green beans, but if they're frozen, make sure you cook them from frozen—don't thaw them first. If you're using canned green beans, drain the water from the can before adding them to the air fryer. If you're using fresh green beans, you might want to cook them first in a skillet or pan, let them cool, and then use them in the recipe to get the best texture.
If you want to make your own fried onions, you can make them in the air fryer, too. Cut the onions into rings and separate them into individual strips. Place them in the air fryer basket and cook at 350°F for 10–15 minutes, checking regularly to make sure they don't burn.
Now, it's time to assemble the casserole. In a medium bowl, combine the soup, milk, salt, and pepper. If you're using garlic powder and cheese, add them now, too. Stir everything together, then add the green beans and half of the fried onions. If you're using soy sauce, add it now. Transfer the mixture to a baking dish that fits in your air fryer. Place the dish in the air fryer basket or on a shelf and cook at 325–350°F for 10–15 minutes, stirring halfway through.
Once the cooking time is up, remove the dish from the air fryer and sprinkle the remaining fried onions on top. You can also add some breadcrumbs at this point for extra crunch. Return the dish to the air fryer and cook for another 2–3 minutes, until the onions are golden brown.
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Storing and reheating
Storing your green bean casserole is easy. If you've made too much, you can store it in an airtight container in the refrigerator for up to three days. You can also make the casserole in advance and freeze it for months, then simply reheat it in the air fryer whenever you need it.
To reheat your green bean casserole, place it in the air fryer, covered with foil, and heat at 350°F for 5-10 minutes until warmed through. You can also reheat individual portions in the microwave if you prefer.
If you're using frozen green beans, remember to cook them from frozen. Do not wait for them to thaw. Canned green beans should be drained before use, and warmed in the air fryer for about four minutes at 360°F before continuing with the recipe.
The beauty of this recipe is that it's so versatile. You can use any oven-safe dish in your air fryer, and it's easy to adapt the recipe to your taste preferences. You can even make it vegan by swapping out the cream of mushroom soup for a plant-based alternative.
So there you have it! A delicious and easy side dish that can be made in advance and enjoyed at any time.
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Frequently asked questions
You will need green beans, cream of mushroom soup, milk, salt, pepper, and fried onions. You can also add in other seasonings, like garlic powder, cheese, or soy sauce.
The cooking time varies depending on the recipe and the type of air fryer. On average, it takes around 10-15 minutes to cook the casserole at temperatures between 325°F and 350°F.
Yes, you can use either frozen or canned green beans. If using frozen beans, cook them directly from frozen without thawing. For canned beans, drain the water and warm them in the air fryer before continuing with the recipe.











































