ULTIMATE Green Bean Casserole (2024)

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Behold, the ULTIMATE Green Bean Casserole recipe! Featured in magazines across the web and consistently rated THE best green bean casserole recipe EVER, this will convert even the most determined green bean haters! Tender green beans, bacon, cheese, cream, mushrooms and more, this deluxe green bean casserole is made from scratch and is guaranteed to become your go-to from now on!

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Green Bean Casserole: The quintessential American side dish for family gatherings, holidays, church socials, potlucks…the recipe clipping that virtually every American woman has had lying somewhere at some point throughout the past gazillion decades. Only this one is different. This one’s the best. Ever. And it’s made from scratch.

If up until now you’ve just been kind of “meh” towards green bean casserole, prepare to experience a major paradigm shift in attitude. This isn’t your Aunt Betsy’s green bean casserole recipe.

I developed this recipe years ago when I had about two pounds of fresh organic green beans and some fresh mushrooms that I needed to use up. As I browsed through my fridge I also noticed some thawed bacon, a block of white cheddar, and some half-and-half cream. The wheels started turning as the blueprint for the ultimate green bean casserole recipe unfolded in my mind. And the rest is history.

This ultimate, from scratch green bean casserole has since become one our most popular recipes every Thanksgiving and Christmas. Multiple websites have praised it and online magazines have linked to it. But most importantly of all, year after year our readers have fallen in love with it. Just read all the rave comments below. Without exaggeration this green bean casserole has literally become world famous. Yes, it’s THAT good!

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Even passionate green bean and green bean casserole haters have consistently been converted through this recipe. My brother included. My brother has hated green beans ever since he was old enough to say the word. And he has never once relented. But…he ate this. He ate THIS! He ate it…and he liked it!And as far as I’m concerned that seals the deal. Verdict drawn. Yes. The ULTIMATE Green Bean Casserole.

This recipe take a little longer than the 2 minutes and 38 seconds required to open a can of condensed mushroom soup, mix it with water, toss it with green beans, dump the mixture into a casserole dish, sprinkle with French fried onions, and put it in the oven to bake (ie, the classic recipe first introduced by Campbell’s in 1955). But this Ultimate Green Bean Casserole is still quick to make and to say that there is no comparison between the two is the understatement of the century. This isn’t called “ultimate” for no reason and we’re confident you’re going to love it as much as we and thousands of others do!

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How to Make Gluten Free Green Bean Casserole

You can substitute gluten free flour for thickening the sauce. Alternatively you can dissolve 1 1/2 tablespoons of cornstarch in the chicken stock and then proceed with melting the butter, then adding the half and half and chicken stock/cornstarch, and whisking continually as it simmers until it’s thickened. For the onions you can use gluten free French fried onions.

Can You Freeze This?

We do not recommend it. Creamy sauces have a tendency to break and separate when they’re frozen and thawed and the last thing you want is a watery mess at your dinner table.

Can Green Bean Casserole Be Made Ahead of Time?

Yes! Prep everything and place it in the casserole dish, except for the French fried onions, cover and refrigerate for up to a day before you’re ready to serve it. When you’re ready to bake it, take it out of the fridge and let it sit at room temperature for about 30 minutes. Then sprinkle on the French fried onions and proceed with baking.

This also makes it convenient to bring the assembled casserole (minus the French fried onions) to another location where you’ll be having dinner and then simply add the onions and bake the casserole once you arrive.

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Green Bean Casserole Recipe

This recipe begins by frying up bacon along with onions, mushrooms, and garlic. Next we make a roux with butter and flour which will not only serve as a thickener for the cream sauce but will add wonderful depth of flavor. Next we pour in the cream followed by that glorious white cheddar and watch it melt into a rich, luxuriously delicious sauce. Fresh green beans are then folded in the sauce, the mixture is poured into a casserole dish and topped with crispy, crunchy, utterly irresistible French fried onions. It’s baked until bubbly and oozing and then served at the table where it will completely disappear, every last drop of it, within minutes.

Let’s get started!

Fry the bacon in a large skillet over medium-high heat until crispy.

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Add the onions and cook for 4-5 minutes until soft and translucent.

Add the mushrooms and garlic and cook for 4-5 minutes until the mushrooms are soft. Transfer the bacon/mushroom mixture to a bowl and set aside.

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Melt the butter in the same skillet, add the flour, and whisk until combined.

Continue whisking for another minute until the mixture has slightly deepened in color. This will add flavor and cook off the “flour” flavor.

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Whisk in the half-and-half and chicken stock and continue to whisk, letting the mixture simmer, until it has slightly thickened.

Whisk in the white cheddar cheese until combined. Add the bacon/mushroom mixture and stir to combine.

Add the salt and pepper. Let the sauce simmer for a couple of minutes, stirring frequently.

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Add the blanched green beans and stir to thoroughly combine.

Pour the bean mixture into a 9×13 inch casserole dish.

Sprinkle all of the French fried onions evenly over the casserole.

NOTE: Since everything but the French fried onions that go on top is made from scratch, choose some quality ones and avoid using those nasty hydrogenated-oil-packed French fried onions (of course you also have the option of making them yourself!). There are better options out there. I had two in my pantry to choose from. I went with Lars’ Crispy Onions this time (the 3-pack is the best deal).

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Bake, uncovered, for 30 minutes in an oven preheated to 350 degrees F.

Let the casserole sit for about 5 minutes before serving.

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ENJOY!

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For more delicious side dishes be sure to try our:

  • BEST Au Gratin Potatoes
  • Ultimate Corn Pudding
  • Zucchini Au Gratin
  • Creamed Spinach
  • Yorkshire Pudding
  • Roasted Spiralized Beets
  • Mashed Potatoes and Parsnips with Horseradish
  • Brunede Kartofler (Danish Caramelized Potatoes)
  • Baked Endives with Ham and Bechamel
  • Roasted Brussels Sprouts with Cranberries, Bacon and Balsamic Reduction

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ULTIMATE Green Bean Casserole

Kimberly Killebrew

Featured in magazines across the web and consistently rated THE BEST green bean casserole EVER!

Print Recipe

4.55 from 429 votes

Prep Time 15 minutes mins

Cook Time 45 minutes mins

Total Time 1 hour hr

Course Side Dish

Cuisine American

Servings 6 servings

Calories 316 kcal

Ingredients

  • 3 slices thick-cut bacon , diced
  • 1/2 cup finely chopped yellow onion
  • 2 cloves garlic , minced
  • 12 ounces fresh button or cremini mushrooms , chopped
  • 3 tablespoons butter
  • 3 tablespoons all-purpose flour
  • 1 cup half-and-half
  • 1 cup chicken broth
  • 1/2 cup shredded white cheddar cheese
  • 3/4 teaspoon salt
  • 1/4 teaspoon freshly ground black pepper
  • 1 pound fresh green beans , trimmed, halved, and blanched (boil 5 minutes, place beans in ice water for a couple of minutes, drain)
  • 1 can quality French fried onions
  • or gluten free French fried onions

Instructions

  • Preheat the oven to 350 degrees F.

  • Fry the bacon in a large skillet over medium-high heat until crispy. Add the onions and cook until soft and translucent, about 4-5 minutes. Add the mushrooms and garlic and cook for another 4-5 minutes until the mushrooms are soft. Transfer the mixture to a bowl.

  • Melt the butter in the same skillet and whisk in the flour. Once combined, continue whisking for another 2 minutes until the mixture has slightly deepened in color. Add the half-and-half and chicken broth while constantly whisking to prevent lumps. Once slightly thickened, add the cheese and whisk until melted and combined.

  • Next add the mushroom/bacon mixture along with the salt and pepper. Let the sauce simmer for a couple of minutes, then add the green beans. Stir to combine.

  • Pour the bean mixture into a 9x13 casserole dish and sprinkle the French fried onions all over the top. Bake uncovered for 30 minutes until bubbling and the onions are golden and crispy. Let sit for 5 minutes before serving.

Video

Notes

Preparing in Advance: Everything can be done in advance except for adding the crispy onions, otherwise they'll get soggy. Add those just before baking. Also, let the casserole sit for at least 30 minutes after removing it from the fridge before baking.

Nutrition

Calories: 316kcal | Carbohydrates: 14g | Protein: 12g | Fat: 24g | Saturated Fat: 13g | Cholesterol: 62mg | Sodium: 752mg | Potassium: 571mg | Fiber: 2g | Sugar: 4g | Vitamin A: 1035IU | Vitamin C: 13.6mg | Calcium: 232mg | Iron: 1.5mg

Keyword Green Bean Casserole

Tried this recipe? Mention @daringgourmet or hashtag #daringgourmet

Originally published on The Daring Gourmet Dec 7, 2013

ULTIMATE Green Bean Casserole (2024)

FAQs

How do you make green bean casserole not soggy? ›

If you are finding that your green bean casserole is soupy, be sure to drain the green beans really well after blanching so you aren't getting extra water in the casserole that way. Then make sure to thicken the sauce properly by letting the chicken broth and half-and-half simmer long enough to thicken.

Which is better in green bean casserole canned or frozen? ›

When I make green bean casserole, I skip canned beans all together. Frozen green beans are the best green beans to use for green bean casserole.

Why is my green bean casserole always runny? ›

Green bean casserole should have a nice thick sauce that coats the green beans—it should not resemble soup. One common cause of a watery casserole is not adding enough thickener, such as flour or cornstarch, to your sauce.

How do I thicken up green bean casserole? ›

The Casserole Is Too Soupy

Don't worry, there's a relatively easy and quick fix that will help soak up the excess liquid: Make a slurry of flour or cornstarch in liquid (broth or water) to help thicken it up and then cook it for a bit longer.

How do you thicken a casserole in the oven? ›

Make a cornstarch slurry for a fast and easy thickener.

Use one tablespoon of cornstarch per cup of liquid you would like to thicken. Stir out all the lumps. A few minutes before your casserole is done, add it a little at a time until you are happy with the thickness. Then, let the casserole finish baking.

How many cans of green beans equals 4 cups? ›

✿ 4 cups of green beans is about 1½ pounds fresh or 16 ounces frozen or 2 cans (15 ounces each) drained.

Can you overcook green bean casserole? ›

Overcooking the beans won't just drain them of their appealing color, but it will also make them too soft and mushy, resulting in a less appetizing casserole.

Is green bean casserole better the next day? ›

If you're lucky enough to have any leftovers, Green Bean Casserole is delicious when reheated! Just know that the fried onions won't be crisp after being stored. But that's ok--simply sprinkle the casserole with a few more after heating. It will be a comforting addition to any lunch or leftovers dinner night.

How many days is green bean casserole good for? ›

Green Bean Casserole Leftovers

Your creamy green bean casserole will last about four days in the fridge. The crunchy topping will get softer as time goes by; pop it into the oven to reheat to crisp it up a bit. While casseroles have a reputation for being freezer-friendly, green bean casseroles don't freeze so well.

Do most people like green bean casserole? ›

Instacart conducted a survey with The Harris Poll and found that a majority of Americans, 69%, secretly dislike some classic Thanksgiving food but eat it anyway because of tradition. The top offenders were: Canned cranberry sauce (29%) Green bean casserole (24%)

What can I substitute for cream of mushroom in green bean casserole? ›

Instead of condensed cream of mushroom soup, this recipe utilizes an irresistible sour cream sauce thickened with flour and butter. The creamy, tangy mixture adds tons of richness and flavor — so there's no need for any store-bought soup.

How soupy should green bean casserole be? ›

White sauce of the casserole should be thick enough to coat the beans ,it should not be runny like soup. To make it thick add more corn flour or cornstarch. Casserole cooked in an oven might have runny sauce since the vegetables keep leaching water.

Why isn t my green bean casserole thickening? ›

Add a thickener

The extra thickening should thicken the sauce, and if the mixture is still runny, repeat the process. The site also reports that you should use 1 tbsp of corn starch if thickening a small portion and up to 4 tbsp of corn starch for large batches.

How do you keep green beans crisp? ›

While the beans are cooking, fill a large bowl with cold water and ice. As soon as the beans are done cooking, transfer them immediately to the ice bath to stop the cooking process and preserve their bright green color. Leave the beans in the bowl of ice water for a few minutes before removing them with tongs.

Why are my home canned green beans mushy? ›

To keep home-canned green beans firm, it's important to follow proper canning procedures to ensure that they are processed at the correct temperature and for the correct amount of time. Overcooking or undercooking can cause the beans to become mushy or tough.

How do you keep fresh green beans crisp? ›

It's best to store your fresh green beans in the fridge, otherwise store green beans in the freezer if you want them to last longer. You can also store unwashed and unblanched green beans in the refrigerator for up to about seven days before you need to store your green beans in the freezer.

How long can a green bean casserole sit out after baking? ›

The casserole can sit out at room temperature for about an hour, then it should be reheated or stored in the fridge.

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