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Best Green Bean Casserole Recipe

Tender green beans covered in a creamy mushroom sauce, then topped with cheese and crispy fried onions. This green bean casserole is a classic Thanksgiving side dish that everyone loves!

Green bean casserole cooked in a white baking dish.
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Green Bean Casserole with Cheese

I’ve always loved sautéed green beans, but I’ll admit that I didn’t start to like this casserole up until a few years ago. That is, until I tried my friend’s version with cheese on top. Now I’m hooked! It’s always on our Thanksgiving menu, along with other classics like creamy mashed potatoes, sausage stuffing and cranberry sauce.

Green bean casserole is a classic Thanksgiving side dish and tastes amazing served alongside an oven roasted turkey or baked ham. It’s super creamy, flavorful and just down right comforting. Everyone always loves it!

This recipe is easy to make and pretty close to the classic version. However I just added a little bit of butter and cheese, because why not? They both seem to make everything better!

Recipe Ingredients

This is the best green bean casserole recipe! Each ingredient is simple and when put together creates a great side dish. You will love how simple it is to make with all the fresh ingredients!

Green beans in a white bowl.

Find the full printable recipe with specific measurements below.

  • Chicken broth: Cook the green beans in a large pot with broth to give it an extra added flavor.
  • Green beans: I used fresh cut green beans that were trimmed to 2-inches.
  • Butter: Salted butter works well with this recipe. It adds a hint of extra flavor!
  • Onions: Chopped up and added to the casserole dish.
  • Garlic: Minced in a jar works or fresh.
  • Cream of mushroom: Not everyone loves canned goods but this cream of mushroom is perfect for the casserole dish. Adds in a creaminess plus flavor!
  • French fired onions: These are cooked onions that have flavor on them. They are crispy and delicious!
  • Cheddar cheese: Grate your cheddar cheese or purchase a pre-made bag of cheddar cheese.

How to Make Green Bean Casserole

Easy green bean casserole is always a family favorite in our house! This casserole is great to make ahead and prepare for special occasions along with candied yams. Fresh green beans makes this casserole amazingly delicious!

Green bean casserole ready to bake.
  1. Simmer. Heat the chicken broth in a skillet over medium-heat. Add the green beans and let simmer for 7 minutes. Then drain.
  2. Mix. Push green beans to one side of skillet. Add butter and chopped onions and cook for 3 minutes. Then stir in garlic and cook an additional 1-2 minutes. Add the cream of mushroom soup and let simmer a minute or two. Salt and pepper, to taste. Top with 1/2 of the fried onions. Then pour into a buttered 1 1/2 quart casserole dish.
  3. Bake. Bake uncovered at 350°F  for 15 minutes. Stir and then add the remaining cheese and fried onions to the top. Bake an additional 10 minutes, or until bubbly.

Crockpot Version

Want to save room in the oven? Make this easy crockpot green bean casserole. Just dump the ingredients in and then set it and forget it. It doesn’t get any easier!

Green bean casserole cooked in a baking dish.

Make-Ahead Instructions

If you want to prepare the casserole the night before, simply pour the prepared mixture into the casserole dish (leave out the fried onions and cheese) and cover with foil. Then when ready to bake, add the fried onions and cheese on top and bake according to instructions.

Cooking Tips + Variations

Here are some cooking tips that will help perfect your green bean casserole dish. Follow these extra guidelines to help make this casserole dish the best!

  • Double the recipe if using a 9×13″ pan.
  • I like to steam my fresh green beans in chicken broth (instead of water) to add a little more depth of flavor.
  • Feel free to add in 1/2 cup sliced mushrooms while cooking the onions.
  • You can use a homemade cream of mushroom soup if you’d prefer to make it from scratch.
  • Feel free to omit the cheese on top if you prefer it plain.
  • If the onions start to get too crispy when baking, you can cover the dish with foil.

Recipe FAQs

Is green bean casserole better with canned or fresh?

Canned green beans can become mushy in the casserole. Fresh green beans give the casserole a fresh and flavorful texture.

How do you keep green bean casserole from being runny?

If you feel that your green bean mixture is a little runny, you can add in thickener like flour or cornstarch.

Can I make green bean casserole ahead of time and refrigerate it?

Absolutely! Assemble the casserole but leave the french onion topping off. Cover with aluminum foil and store in the refrigerator overnight.

Does green bean casserole thicken in the oven?

Yes! The oven will thicken this classic holiday side dish!

Storage + Reheating

To store: If you have leftovers, simply cover and store in the fridge for up to 3 days.

To reheat: I recommend reheating any leftovers in the oven so that the fried onions stay crispy. Just place the casserole in the oven at 350°F for 15 to 20 minutes, or until it’s warm throughout. You can cover with foil if the fried onions start to brown too fast.

Spoonful of green bean casserole.

5 star review

“Made this recipe and served it as a side dish for our roasted chicken. Dinner was wonderful, my husband and kids loved it! The butter and cheese made it so creamy and delicious. Thanks for sharing this recipe!

– Natasha

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green bean casserole served with wooden spoon

Green Bean Casserole Recipe

5 from 7 votes
↑ Click stars to rate now!
Author: Jamielyn Nye
This green bean casserole is a classic Thanksgiving side dish that everyone loves! Tender green beans covered in a creamy mushroom sauce, then topped with cheese and crispy fried onions.
Prep Time: 10 mins
Cook Time: 20 mins
Total Time: 30 mins
Servings: 8

Ingredients 

  • 15 ounce can chicken broth
  • 4 cups green beans , trimmed to 2-inch pieces
  • 3 Tablespoons butter , I used salted
  • ½ cup finely chopped onions
  • 1-2 teaspoons minced garlic
  • 10 ounce can cream of mushroom
  • 1-2 cups french fried onions , more as desired
  • ½ cup grated cheddar cheese , more if desired

S&P, to taste

    Instructions

    • Preheat the oven to 350°F. Butter a 1 1/2 quart casserole dish.
    • Heat the chicken broth in a skillet over medium-heat. Add the green beans and simmer for 7 minutes. You can also use water if preferred (the chicken broth just adds another depth of flavor). Drain extra liquid.
    • Push the green beans to one side of the skillet. Add butter and chopped onions. Cook for 3 minutes. Then stir in garlic and cook an additional 1-2 minutes.
    • Add the cream of mushroom soup and let simmer a minute or two. Salt and pepper, to taste. Top with 1/2 cup of the fried onions. Pour mixture into the casserole dish.
    • Bake uncovered for 15 minutes. Stir and then add the remaining fried onions and cheese to the top. Bake an additional 10 minutes, or until bubbly.

    Notes

    Double: If you’d like to double the recipe, place in a 9×13″ baking dish.
    Green beans: For a shortcut you can skip simmering the green beans in stock and just use 2 cans of green beans. 
    Mushrooms: You can add 1/2 cup sliced mushrooms (while cooking the onions), if desired. 
    Make ahead: If you want to prepare this dish the night before, simply pour the prepared mixture into the casserole dish (leave out the fried onions and cheese and add just before baking) and cover with foil. 
    Storage: Store the leftovers in a covered container in the refrigerator for up to 3 days.

    Nutrition

    Serving: 0.5cup | Calories: 152.55kcal | Carbohydrates: 11g | Protein: 3.6g | Fat: 10.84g | Saturated Fat: 5.88g | Cholesterol: 19.77mg | Sodium: 473.69mg | Potassium: 312.63mg | Fiber: 1.87g | Sugar: 3.01g | Vitamin A: 581.46IU | Vitamin C: 11.29mg | Calcium: 82.63mg | Iron: 0.89mg

    Nutrition provided is an estimate. It will vary based on specific ingredients used.

    Course: Side Dish
    Cuisine: American

    Did you make this recipe? Don’t forget to give it a star rating below!

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