Creamy Green Bean Casserole from Scratch - Sally's Baking Addiction (2024)

Learn how to make creamy green bean casserole completely from scratch with real ingredients. This family favorite side dish will put that Thanksgiving turkey to shame!

Creamy Green Bean Casserole from Scratch - Sally's Baking Addiction (1)

Green bean casserole is my family’s absolute FAVORITE (and maybe yours too?) and this homemade version blows every other recipe out of the water. Bold statement, right? 😉

Creamy Green Bean Casserole from Scratch - Sally's Baking Addiction (2)

This is Green Bean Casserole From Scratch!

I can’t remember a single holiday season without a batch of good ol’ green bean casserole. You know, the kind made from condensed soup and those irresistible greasy fried onions? I love this Thanksgiving side dish and decided to try it completely from scratch, right down to the fried (baked!!) onions sprinkled on top. And we couldn’t be happier with the results. You haven’t had green bean casserole until you’ve had green bean casserole from scratch.

  • No cans of condensed soup
  • Use fresh green beans
  • Real, homemade gravy
  • Homemade “fried” onions

Fresh green beans give the most wonderful flavor and texture. They aren’t soggy like canned green beans. This homemade version of the classic puts the Thanksgiving turkey to shame.

Creamy Green Bean Casserole from Scratch - Sally's Baking Addiction (3)

How to Make Green Bean Casserole

  1. “Fry” the Onions: Coat sliced onions in some flour, then beaten egg + milk, then breadcrumbs. Bake.
  2. Blanch the Green Beans: Rinse fresh green beans, trim them, halve them, blanch them.
  3. Make the Gravy Sauce: Melt some butter with chopped mushrooms on medium-high heat. Add a little salt and pepper, then some garlic for flavor. Next, add some flour to soak up all the moisture that the mushrooms have released in the cooking process.Add chicken broth and half-and-half, and watch that sauce thicken!
  4. Stir it All Together: Add some of your breaded onions and all of the green beans, then give it a good stir.
  5. Bake: Top with the rest of the onions and bake in the oven at 400°F (204°C) for 10-15 minutes or until bubbly.

I always appreciate a short bake time, especially on Thanksgiving.

Let’s not ignore the fact that green bean casserole is, for lack of better words, heavy. Rich, buttery, heavy comfort food. It’s certainly not something we eat all the time, which makes it even more special around the holidays. If you’re going to fatten up innocent green beans, this is the way to do it!!

Creamy Green Bean Casserole from Scratch - Sally's Baking Addiction (4)

Grab These Ingredients for the Casserole:

  • Fresh Green Beans
  • Butter
  • Salt & Pepper
  • Flour
  • Mushrooms
  • Garlic
  • Half-and-Half
  • Chicken Broth

And for the “fried” baked onion topping, you need 1 large onion, flour, egg, Panko breadcrumbs, milk, salt, and pepper. The onions are golden brown and crunchy, the perfect texture contrast to the creamy sauce!

What about those mushrooms? They give such a wonderful flavor to the creamy gravy, but I understand they’re not everyone’s favorite. If desired, leave the mushrooms out or replace with 1 thinly sliced bell pepper.

Creamy Green Bean Casserole from Scratch - Sally's Baking Addiction (5)
Creamy Green Bean Casserole from Scratch - Sally's Baking Addiction (6)

How to Make Green Bean Casserole Ahead of Time

Prepare everything as directed, except turn the oven off after the onions are done. After the sauce is finished and the casserole is assembled, set aside and allow to cool. Cover tightly, then refrigerate overnight. The next day, bake for 15-20 minutes at 400°F (204°C) until bubbly. You can also prepare the casserole, including topping with onions, then freeze for up to 3 months before baking. Thaw in the refrigerator then bake as directed.

Creamy Green Bean Casserole from Scratch - Sally's Baking Addiction (7)

More Thanksgiving Recipes

If you’re looking for Thanksgiving side dishes and desserts, I have you covered!

  • The Great Pumpkin Pie (reader favorite!)
  • Sweet Potato Casserole
  • Homemade Biscuits
  • Cranberry Sauce
  • Cornbread
  • and Cornbread Stuffing
  • Pecan Pie
  • Candied Sweet Potatoes
  • Cranberry Brie Puff Pastry Tarts
  • Apple Pie

For even more Thanksgiving dessert inspiration, see all my favorite Thanksgiving pie recipes.

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Creamy Green Bean Casserole from Scratch - Sally's Baking Addiction (8)

Creamy Green Bean Casserole from Scratch

5 Stars4 Stars3 Stars2 Stars1 Star4.9 from 27 reviews

  • Author: Sally
  • Prep Time: 30 minutes
  • Cook Time: 55 minutes
  • Total Time: 1 hour, 25 minutes
  • Yield: serves 8
  • Category: Dinner
  • Method: Baking
  • Cuisine: American
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Description

Creamy, comforting green bean casserole made completely from scratch. This undeniably rich side dish will put that thanksgiving turkey to shame! For make-ahead option and freezing instructions, see recipe note.

Ingredients

Baked “Fried” Onions

  • 1 large onion
  • 1/2 cup (62g) all-purpose flour ()
  • 3/4 cup (45g) Panko breadcrumbs*
  • 1/2 teaspoon salt
  • 1/4 teaspoon ground black pepper
  • 1 large egg
  • 1 Tablespoon (15ml) milk

Green Bean Casserole

  • 1 Tablespoon + 1 teaspoon salt, divided
  • 1 pound fresh green beans, rinsed, trimmed and halved
  • 2 Tablespoons (28g) unsalted butter
  • 8ounces mushrooms, sliced into halves or quarters*
  • 1/2 teaspoon ground black pepper
  • 2 cloves garlic, minced (mincedroasted garlic is greathere)
  • 2 Tablespoons (15g) all-purpose flour
  • 3/4cup (180ml) chicken or vegetable broth
  • 1 and 1/4 cups (300ml) half-and-half*

Instructions

  1. Preheat the oven to 475°F (246°C). Line a large baking sheet with parchment paper or a silicone baking mat. Set aside.
  2. For the onions: (while the onions bake, you can blanch the green beans—step 4.) Thinly slice the onion, and separate the slices. Pour flour in one small bowl, Panko + salt + pepper into a medium bowl, and whisk the egg and milk together in another small bowl. To bread the onion slices, you’ll want to use one hand for dry and one hand for wet. It helps things move a little quicker and easier. First, dip a few slices into the flour. Then into the egg mixture. And finally, give them a nice dunk into the Panko and coat them well. Place onto baking sheet. Repeat with the rest of the onions. Bake onions until golden brown, about 25 minutes. Flip them twice during this time. Set them aside.
  3. Reduce oven to 400°F (204°C).
  4. Bring a gallon of water and 1 Tablespoon of salt to a boil in a large saucepan. Add the beans and blanch for 5 minutes. Drain and immediately placeinto a large bowl filled with ice water to stop the cooking process. Drain again and set aside.
  5. For the casserole: Over medium-high heat, melt the butter in a large 10- to 12-inch ovenproof skillet. Add the mushrooms, 1 teaspoon salt, and the pepper. Cook, stirring occasionally, until the mushrooms begin to give off some of their moisture—about 5 minutes. Add the garlic, stir, and cook for another 2 minutes. Sprinkle the flour on top and stir until combined. The flour will soak up all the moisture. Add the chicken broth and simmer for 3 minutes. Decrease the heat to medium-low and add the half-and-half. Stirring occasionally, cook until the mixture is thick—about 10 minutes or maybe more if you prefer a thicker sauce.
  6. Remove from the heat and add around 1/4 of the onions and all of the green beans. Give it a nice stir, combining the sauce and beans. Top with remaining onions and bake until bubbly, about 10-15 minutes. Remove from the oven and serve warm.
  7. Leftovers keep well in an airtight container in the refrigerator for up to 4 days. Reheat as desired.

Notes

  1. Make Ahead & Freezing Instructions: Prepare everything as directed, except turn oven off after the onions are done, do not heat to 400°F (204°C). After the sauce is finished and the casserole is assembled, set aside and allow to cool. Cover tightly either in the skillet or carefully transfer to another dish. Refrigerate overnight. The next day, bake for 15-20 minutes at 400°F (204°C) until bubbly. You can also prepare the casserole, including topping with onions, then freeze for up to 3 months before baking. Thaw in the refrigerator then bake as directed.
  2. Special Tools (affiliate links): Baking Sheet | Silicone Baking Mat or Parchment Paper | Glass Mixing Bowls | Whisk | 10- to 12-inch Ovenproof Skillet
  3. Onion Topping: If you’re not really into the baked “fried” onions, feel free to use a small or medium onion instead. Or leave it out completely and sprinkle the top of the casserole (before going into the oven) with 1/2 cup Panko breadcrumbs for crunch.
  4. Panko Breadcrumbs: Panko is a Japanese style breadcrumb found in all major grocery stores or anywhere breadcrumbs are sold. It gives the onions a heartier crunch.
  5. Mushrooms: Feel free to leave out the mushrooms or replace with thinly sliced bell pepper.
  6. Half-and-Half: I tested this recipe with varying amounts of half-and-half—this amount does the trick. You can use heavy cream instead of the half-and-half for a richer sauce if you prefer. I do not recommend whole milk or buttermilk (or any other lower fat milks) instead. You want a thick, rich sauce.
  7. Want to double the recipe to feed a larger crowd? It’s easy! Simply double the ingredients. Then in step 6, remove the skillet from heat then pour the bean mixture into a large 9×13-inch (or similar size) casserole dish. Top with onions, then bake until bubbly, around 20 minutes.

Adapted from Alton Brown—he likes to add fresh ground nutmeg, but I wasn’t really a fan. Feel free to add some though!

Creamy Green Bean Casserole from Scratch - Sally's Baking Addiction (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.

Why do Americans eat green bean casserole? ›

How It Became a Holiday Staple. 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.

Who created green bean casserole? ›

Green Bean Casserole was created by a Campbell Soup Company employee, Dorcas Reilly, at our Camden, New Jersey headquarters in 1955. She was one of the first full-time members of Campbell's Home Economics department—now known as the Campbell Test Kitchen, where I work.

How do you blanch fresh green beans? ›

In a large saucepan or stock pot, bring 4 quarts water and 1 tablespoon salt to boil. Meanwhile, set out a large bowl of ice water. To the pot of boiling water, add the green beans and boil until tender-crisp but still bright green, about 3 to 5 minutes. Transfer to the ice bath to stop the cooking.

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 can I thicken up my 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.

What is a fun fact about green bean casserole? ›

The recipe was created in 1955 by Dorcas Reilly at the Campbell Soup Company. As of 2020, Campbell's estimated it was served in 20 million Thanksgiving dinners in the US each year and that 40% of the company's cream of mushroom soup sales go into a version of the dish.

What do Americans call green beans? ›

Phaseolus vulgaris

Often called green beans or snap beans in America, string beans are one of the most common garden vegetables in the United States. String beans come in many forms—some 130 in all—ranging from the petite, delicately flavored French variety called haricot verts to the broader, meaty Italian specimens.

How many days can you eat green bean casserole? ›

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 people still eat green bean casserole? ›

Of course, some people do eat Green Bean Casserole year-round, but if Campbells stats about the recipe are anything to go by, most people eat it on Thanksgiving.

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%)

Does green bean casserole thicken? ›

If you don't, the excess water from the beans can leak out into the casserole and make it thin and runny. If you sense it's a little watery, "add a thickener like roux or starch to absorb the additional liquid or cook a little longer," she says. That'll give it that rich, dense consistency you're looking for.

Do you add salt when blanching green beans? ›

Using a high concentration of salt in the blanching water (2 tablespoons per quart of water) allows the green beans to tenderize rapidly, so their bright green color is preserved. The large amount of salt in the blanching water penetrates the beans' sturdy skins to season them more fully than smaller amounts would.

Can dogs eat green beans? ›

Are Green Beans Safe for Dogs? Chopped, steamed, raw, or canned—all types of green beans are safe for dogs to eat, as long as they are plain. Green beans themselves are not only safe for dogs, but veterinarians also recommend them as a healthy treat. Best of all, dogs seem to love them.

How long do green beans last in the fridge? ›

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 do you fix a soggy casserole? ›

Just because your casserole is starting to look a bit soupy doesn't mean it's beyond saving. In fact, all you need to do is add some pasta noodles or grains to your base. This trick works for the simple reason that both types of ingredients soak up water as they cook.

How do you keep casserole topping from getting soggy? ›

To prevent a soggy top and a firm or crunchy bottom, it's important to use a shallow baking dish, to cook the casserole at the correct oven temperature and for the appropriate amount of time, and to be mindful of the amount of liquid used in the recipe.

Do you have to cover green bean casserole when baking? ›

Spread half of soup mixture over beans in dish. Top with remaining half of beans and soup mixture. BAKE uncovered 30 minutes.

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.

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