Green Bean Casserole

Enjoy the creamy, cozy taste of Green Bean Casserole, a classic American dish perfect for Thanksgiving. Made with green beans, creamy mushroom sauce, crispy onions, and melted cheese, it’s a great side for your holiday roast or next to mac and cheese. This easy, one-dish recipe is sure to be a favorite at any gathering!

Course Side Dish

Cuisine American

Prep Time 5

Cook Time 35

Total Time 40

Servings servings

Calories 121

Author Sangeetha Vel

Ingredients

For the Casserole Mixture

4 cups Green Beans canned, freshly cooked, or frozen
1½ cup Cream of Mushroom Soup
¼ cup Caramelized Onion or fried onion
1 tsp Soy Sauce low sodium
½ cup Milk
Salt to taste
½ tsp Black Pepper Powder

Toppings

¼ cup Cheddar Cheese mild or sharp, adjust quantity to your preference
¼ cup Parmesan Cheese adjust quantity to your preference
½ cup French Fried Onions adjust as needed

US Customary - Metric

Instructions

Preparing Green Bean Casserole Mixture

In a large mixing bowl, combine the green beans, cream of mushroom soup, caramelized onions, milk, soy sauce, a dash of pepper, and a little salt. Be mindful with the salt, especially if you’re using canned green beans or store-bought soup, as these can already be salty.
Gently mix everything together until well combined, making sure the green beans are evenly coated in the creamy mixture, which will be used in the next steps.

Layering and Baking

Pour the creamy green bean mixture into a shallow baking dish and spread it out evenly. A shallow dish helps the casserole bake evenly, allowing the flavors to blend well and the top layer to crisp up nicely.
Sprinkle cheddar and Parmesan cheese over the mixture. I’ve added a modest amount here, but feel free to add more or less based on how cheesy you like it. Cheddar gives a sharp flavor, while Parmesan adds a nutty taste.
Place the dish in a preheated oven at 350°F (175°C) and bake for 25-30 minutes. Keep an eye on it toward the end—the cheese should be bubbly and lightly browned when it’s ready.
Carefully take the casserole out of the oven. Sprinkle a generous layer of French fried onions on top for that classic crunch. These onions add both texture and flavor, so be generous if you enjoy a crispy topping.
Return the casserole to the oven for another 5-7 minutes, just until the onions turn a lovely golden brown. This quick bake crisps up the onions perfectly without overcooking the casserole.
Carefully remove the casserole from the oven and let it sit for a few minutes before serving. This brief cooling time helps it set, making it easier to serve and enhancing the flavors. Now your delicious Green Bean Casserole is ready to enjoy!

Serving

Serve this cozy Green Bean Casserole alongside your favorite main dishes, like baked turkey, whole-roasted chicken, creamy potatoes, and roasted veggies, for a complete and satisfying meal. For more pairing ideas, check out our Serving Suggestions section below.

Notes

Here are some important tips to make the best Green Bean Casserole that everyone will love:

Using Fresh Green Beans: If you’re using fresh green beans, start by trimming the ends, then blanch or parboil them until they’re tender-crisp. This typically takes about 2-3 minutes in boiling water. Quickly transfer the beans to a bowl of ice water to stop the cooking and keep their bright green color
Avoid Overcooking the Green Beans: If you are using fresh or frozen beans, be careful not to overcook them before adding them to the casserole. Tender-crisp beans hold up better during baking and keep the casserole’s texture balanced. Overcooking can lead to a mushy result.
Saltiness: Many store-bought ingredients in this recipe, like canned soup, green beans, and soy sauce, contain added salt. To prevent an overly salty casserole, taste the mixture before baking and adjust as needed. Low-sodium soy sauce is a good option for more control over the salt level. You can always add a little salt at the end if needed.
Cream of Mushroom Soup: For a richer, fresher flavor and to control the ingredients, try making a quick homemade cream of mushroom soup. For a detailed guide, refer to my cream of mushroom recipe.
Crispier Onion Topping: For a perfectly crunchy topping, add the crispy onions in the last 5-7 minutes of baking. This will prevent them from getting soggy while keeping that signature crunch. If you notice the onions browning too quickly, cover the casserole loosely with foil to prevent burning.
Choosing the Right Baking Dish: A shallow baking dish is ideal for even baking and helps the top layer get perfectly crisp. Glass or ceramic dishes are great for distributing heat evenly, but feel free to use what you have on hand.
Baking Dish Size: For this recipe, I’ve used an 8.5x6-inch baking dish. If you’re doubling or tripling the recipe, use a larger dish or divide it into multiple dishes to avoid overcrowding, as this can affect both cooking time and texture.
Make-Ahead Option: For busy holiday preparations, you can make your Green Bean Casserole up to 2 days in advance. Prepare the casserole mixture and store it in an airtight container in the fridge. Just before baking, add your cheese, then bake as usual. Check out our storage suggestions below for detailed instructions on reheating.
Customize with Cheese Options: While cheddar and Parmesan are classic choices, feel free to try Gruyère, mozzarella, or Swiss cheese for a twist. Gruyère adds a nutty flavor, while mozzarella makes it extra creamy.
Flavor Boost: For extra flavor, try adding mix-ins like sautéed mushrooms, bacon bits, or a crunchy topping of sliced almonds, breadcrumbs, or crushed crackers.

Nutrition

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