The Ultimate Homemade Green Bean Casserole Recipe (2024)

Why It Works

  • Using blanched fresh green beans instead of canned or frozen yields a brighter color and a crisp-tender texture.
  • A homemade mushroom sauce, made with butter, cream, chicken stock, and a touch of soy sauce, lends the casserole extra nutty and savory flavors.
  • Homemade fried shallots are crisper and more flavorful than canned French-fried onions, and they're a great condiment to keep on hand for all sorts of dishes.

The classic Campbell's green bean casserole is a staple on many Thanksgiving tables. But there are easy ways to upgrade the out-of-the-can version, without transforming it into something unrecognizable.

The Ultimate Homemade Green Bean Casserole Recipe (1)

First things first: If you're intimidated by the length and number of steps in the recipe attached here, bear in mind that you don't need to use the whole thing. You can use canned fried onions instead of frying your own. Or, to make it even easier, stick with two cans of cream of mushroom soup instead of making your own creamy mushroom sauce.

Because, if the only thing you do is substitute real blanched green beans for the canned variety, you're already giving your green bean casserole a major upgrade.

How to Make Green Bean Casserole From Scratch

Step 1: Fry Your Own Shallots

The Ultimate Homemade Green Bean Casserole Recipe (2)

My fried shallots are inspired by Thai-style fried shallots, something that you should have on hand in your kitchen all the time. I make mine in batches of a couple pounds. (To cook more than what's called for in this recipe, just increase the amount of oil to keep them covered.)

A mandoline makes quick work of the shallots, and yields perfectly thin and even slices. Simply add them to a pan or wok, cover with oil, turn your heat up to high, and stir. The shallots will soften and then turn a light golden brown, at which point you can strain them into a bowl. Be sure to reserve the oil, though—we'll be using it again in a minute.

Blot the strained shallots with paper towels until the towels appear dry. Once cooled, the shallots will keep in an airtight container for up to a month. Add them to sandwiches and soups, use them as a garnish for cooked meats, or just eat 'em out of hand, straight out of the jar.

Step 2: Swap the Cream of Mushroom Soup for a Homemade Sauce

The Ultimate Homemade Green Bean Casserole Recipe (3)

For my homemade mushroom sauce, I start by smashing the mushrooms with a skillet. Not only is it an extremely satisfying procedure, but it creates imperfect chunks of mushrooms, just like what you find in the canned stuff.

I sauté the mushrooms in that aromatic shallot oil, along with a cube of butter for some extra rich and nutty flavor. Once they've begun to sizzle, after about five to 10 minutes, I stir in some minced garlic, then add flour to thicken the base, stirring until it forms a light golden-blond roux.

Whisking in a mixture of heavy cream, chicken stock, lemon juice, and soy sauce adds richness, moisture, acidity, and a burst of umami that coaxes out the mushrooms' natural savory character. I bring the sauce to a boil, then simmer until its consistency is slightly thinner than pancake batter.

Step 3: Use Fresh Green Beans

Using fresh green beans is hands down the simplest way to upgrade your casserole. For the brightest flavor and a crisp-tender texture, I blanch the trimmed beans in salted boiling water for five minutes, then shock them in an ice bath to halt the cooking process.

Step 4: Putting It All Together

Assembling the casserole couldn't be simpler: Just combine the green beans, mushrooms, and a cup of the shallots in a bowl, and stir to evenly distribute all the ingredients. Transfer the mixture to a baking dish, bake at 350°F (180°C) for 15 to 20 minutes until it's hot and bubbly, and top with more shallots to serve.

How to Make Green Bean Casserole Ahead of Time

If you want to help streamline your Thanksgiving Day prep, making your green bean casserole in advance is a no-brainer. Start with the fried shallots, which can be made up to one month in advance and kept in an airtight container. The mushroom sauce (steps six through 10 in the attached recipe) can also be made up to four days in advance.

Two days before serving, you can assemble the entire thing—beans, mushroom sauce, and one cup of the fried shallots—in a baking dish and refrigerate. To complete the casserole, cover the dish with foil and stick it in a preheated 350°F oven until hot, about 30 minutes. Uncover and continue cooking until it's bubbly, about 10 minutes longer. Top with an additional cup of fried shallots, then serve.

Recipe Details

The Ultimate Homemade Green Bean Casserole

Prep10 mins

Cook90 mins

Active60 mins

Total100 mins

Serves8to 12 servings

  • 1 pound (450g) shallots, peeled and sliced 1/8 inch thick on amandoline

  • 2 cups (480ml) canola oil

  • Kosher salt

  • 1 1/2 pounds (675g) white button mushrooms, rinsed and spun dry in a salad spinner

  • 2 teaspoons (10ml) soy sauce

  • 2 teaspoons (10ml) lemon juice from 1 lemon

  • 2 cups (480ml) low-sodium store-bought orhomemade chicken stock

  • 1 1/2 cups (360ml) heavy cream

  • 2 tablespoons (30g) butter

  • 2 cloves garlic, finely minced or grated on a Microplane grater

  • 1/4 cup (30g) flour

  • Freshly ground black pepper

  • 2 pounds (900g) green beans, ends trimmed, cut into 2-inch segments

Directions

  1. Combine shallots and oil in a wok or medium nonstick saucepan. Shallots should barely stick out above level of oil. Place over high heat and cook, stirring frequently, until shallots are completely soft, about 12 minutes.

  2. Meanwhile, line a rimmed baking sheet with 6 layers of paper towels. Continue to cook shallots, stirring constantly, until shallots are light golden brown, about 8 minutes.

  3. Immediately strain through a fine-mesh strainer set in a heat-proof bowl or saucepan. Set shallot oil aside. You should have about 2 cups of fried shallots.

  4. Transfer fried shallots to paper towels. Lift up one end of top paper towel and roll shallots off onto second. Blot with first towel to absorb excess oil. Repeat 4 more times, transferring shallots from one paper towel to the next, until only one paper towel remains. Season well with salt.

  5. Allow shallots to cool completely, about 45 minutes. Once they've cooled, transfer to a sealed airtight container. Shallots can be made up to 1 month in advance.

  6. Smash mushrooms under the bottom of a large skillet until broken into 1/4- to 1/2-inch pieces. Roughly chop into pieces approximately 1/8 to 1/4 inch in size. Set aside.

  7. Combine soy sauce, lemon juice, chicken stock, and heavy cream in a 1-quart liquid measuring cup or medium bowl.

  8. Add 2 tablespoons (30ml) reserved shallot oil (save remainder in an airtight container for another use) and butter to a 12-inch nonstick skillet. Heat over high heat until butter is melted and foaming subsides. Add mushrooms to skillet and cook, stirring occasionally, until liquid is evaporated and mushrooms begin to sizzle, 6 to 10 minutes.

  9. Reduce heat to medium-high. Add garlic and cook, stirring constantly, until fragrant, about 30 seconds. Add flour and cook, stirring constantly, until light golden blond, 1 to 2 minutes. Whisking constantly, add stock and cream mixture.

  10. Bring to a boil, reduce to a simmer, and cook until mixture achieves a texture between pancake batter and heavy cream, about 5 minutes. Season to taste with salt and pepper.

  11. Adjust oven rack to lower-middle position and preheat oven to 350°F (180°C). Bring 1 gallon (3.8L) water and 1/4 cup (48g) kosher salt to a boil over high heat. Fill a large bowl with 1 quart ice cubes and 2 quarts (1.9L) water.

  12. Add green beans to water and boil until tender but still bright green, about 5 minutes. Drain through a colander set over the sink and immediately transfer to ice water until completely cooled. Drain green beans and set aside.

  13. Combine green beans, mushroom sauce, and 1 cup fried shallots. Transfer to a 9- by 13-inch rectangular baking dish or a 10- by 14-inch oval baking dish. Bake until hot and bubbly, 15 to 20 minutes. Top with remaining cup fried shallots and serve.

Special Equipment

Wok or nonstick saucepan, mandoline, rimmed baking sheet, fine-mesh strainer, colander, 9- by 13-inch baking dish

Notes

You can use canned fried onions or shallots instead of making your own in steps 1 and 2. For better results, look for fried shallots in a Thai or Vietnamese market—but French's will do just fine if that's what you prefer. Slice the shallots on a plastic mandoline (like a Benriner) to get even results. The oil used to fry the shallots can be saved in an airtight container, away from the light, for up to three months. Use it for stir-fries or in salad dressings.

How to Scale Down This Recipe to Feed a Smaller Crowd

This recipe can be scaled down by half. To do it: divide all ingredients by two, substitute a 10-inch skillet for the baking dish listed.

Make-Ahead and Storage

Fried shallots can be made up to one month in advance and stored in an airtight container. Mushroom sauce can be made up to four days in advance. Assembled casserole can be made and stored up to two days in the refrigerator. To complete, cover with foil and heat in a preheated 350°F (180°C) oven until hot, about 30 minutes. Uncover and cook until bubbly, about 10 minutes longer. Top with a cup additional fried shallots and serve.

  • Green Beans
  • Thanksgiving Side Dishes
  • Christmas Sides
  • Thanksgiving
  • American
The Ultimate Homemade Green Bean Casserole Recipe (2024)

FAQs

How do you keep green bean casserole from being soupy? ›

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.

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

Frozen French-cut green beans are a better option. They hold their texture better than canned, and you can cook them straight from their frozen state. And if you're using fresh green beans? You'll need to cook them first by roasting, steaming or boiling them.

Why is green bean casserole the best? ›

Green bean casserole was considered a perfect dish for holiday entertaining because it was simple, inexpensive, and could easily be made ahead of time. It became known as a "jiffy casserole" because it went from one bowl to one pan.

How many cans of green beans are 4 cups? ›

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

Why isn't my green bean casserole thickening? ›

Add a thickener

While your green bean casserole is on the stove, incorporate a thickener into the vegetables, such as cornstarch or flour. According to The Kitchn, you can combine cornstarch and a small amount of water or broth in a cup and stir until the lumps are gone, and it becomes a thick yet drizzly consistency.

How do you make a casserole less liquidy? ›

Or better yet, avoid them altogether.
  1. Add A Starch. Cornstarch in wooden bowl - NIKCOA/Shutterstock. ...
  2. Experiment With Pasta Or Grains. ...
  3. Take The Lid Off. ...
  4. Drain Fat From Meat. ...
  5. Choose A Dry Or Low-Fat Cheese. ...
  6. Sprinkle Seeds Into Your Bake. ...
  7. Remove Excess Liquid. ...
  8. Leave The Casserole In The Oven A Bit Longer.
Oct 29, 2023

Are frozen green beans better for you than canned green beans? ›

Aside from certain fruits like tomatoes and pumpkins, canned goods are likely to have less nutritional value than frozen. If you take the canned vegetable route, make sure that you avoid varieties with added sugars or sodium. Also, many of the nutrients from canned vegetables stay in the the liquid.

Which canned green beans taste best? ›

I have tried many types of canned green beans, but Le Sueur Premium Select Whole Green Beans stand out to me. They are top-quality green beans that taste fresh and delicious. These whole green beans come in convenient 14.5 ounce cans. The cans are easy to open and the beans inside look vibrant and appetizing.

Should I use fresh or canned green beans? ›

"I use fresh French-cut green beans the majority of the time," says lifestyle blogger Chantelle Hartman Malarkey. If fresh isn't available, Malarkey reaches for frozen. "Canned green beans are very soft and delicate," Malarkey says.

Can you mess up green bean casserole? ›

Don't start throwing toppings on the casserole before it's cooked through. "Adding topping too early [is a mistake] because the onions get soggy or burn," Chef Patel says. Instead, wait it out. Just a few minutes before the dish is finished and ready to be pulled from the oven, you can then add in those toppings.

What makes green beans taste better? ›

I added some sliced onion sautéed along with the green beans, added some garlic paste from the tube (Gourmet Garden®), some freshly-ground black pepper, and a healthy sprinkle of lemon pepper. Wow, so simple and yet soooo delicious.

How many days does green bean casserole last in the fridge? ›

Stored properly, your leftover green bean casserole will last 3-4 days in the fridge. Freezing: Wrap your green bean casserole tightly with heavy-duty aluminum foil, freezer wrap or transfer to an airtight container and keep in the freezer for 6 months.

How to make green bean casserole not watery? ›

Any liquid from the beans will make your casserole watery. Only add 1/4 cup milk with the condensed soup—do not add the water as directed on the can. Add the crispy fried onions during the last 5 minutes of baking or they will absorb some of the sauce and become soggy.

How many green beans is 1 cup? ›

Although there's no hard-and-fast rule to predict exactly how hungry your guests will be, this formula should get you through the farmer's market or grocery store with confidence that you've got it right: Assume that one serving of green beans is about one cup, or 5 oz, with about 12 to 13 green beans per cup, ...

How many pounds of green beans for 12 people? ›

“When alternative sides are plentiful, assume guests will eat a little less of each and one pound will serve four people,” Hartigan says. “And if vegetarians outnumber carnivores at your table, assume your green beans will go fast and assume that one pound will serve two people.”

How do you make beans less liquidy? ›

If your beans are still too watery after prolonged cooking and mashing, consider adding a thickener like cornstarch, all-purpose flour, or arrowroot. To do this, first, make a slurry of equal parts thickener and water, then slowly add it to your refried beans. They should thicken considerably.

How do you keep green beans from getting soggy? ›

Store beans in a veggie crisper or an air-tight plastic container. You can keep them in the plastic bag they came in from the store, but condensation may develop and speed up spoilage. To prevent this, place a paper towel in the bag or container to absorb extra moisture, and replace it as it gets damp.

How do you reduce the liquid in baked beans? ›

All you have to do is continue to let the beans cook but uncover them this time. While they heat up without a lid, the water will evaporate more rapidly and you should have thickened beans in no time. You can simply watch the liquid levels and take the beans off the heat when they've reached your preferred texture.

How do you thicken baked beans at home? ›

If you want to make a dish of beans thicker; the most straightforward way; is; once the beans are cooked completely; take 1/3 of the cooked beans; puree them ; and add them back to the main pot. (You can adjust with stock or a tomato product if the mixture is too thick).

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