Green bean casserole is a classic comfort food that has become a staple at holiday dinners, particularly Thanksgiving. It combines tender green beans with a creamy mushroom sauce, topped with crispy fried onions for the perfect balance of textures and flavors. This dish is rich, comforting, and surprisingly easy to make, making it a crowd-pleaser at any gathering.
The base of green bean casserole is made with fresh or canned green beans, although fresh beans offer a better texture and flavor. They are blanched or briefly cooked until tender but still firm, then combined with a creamy mushroom sauce made from sautéed onions, garlic, and mushrooms, with a rich cream base made from sour cream, heavy cream, or a can of cream of mushroom soup. A little soy sauce or Worcestershire sauce can be added for depth and umami.
After combining the green beans and sauce, the casserole is topped with crispy fried onions, which are a signature element of the dish. These onions add a satisfying crunch and savory flavor that contrasts beautifully with the creamy filling. Some recipes call for adding cheese to the casserole, like shredded cheddar or mozzarella, for extra richness and flavor.
Once assembled, the casserole is baked until bubbling and golden brown on top. The result is a dish with creamy, flavorful green beans and mushrooms surrounded by a crispy, golden topping that adds a delightful texture and savory crunch in every bite.
Green bean casserole pairs wonderfully with roasted meats like turkey, ham, or chicken, and it complements rich dishes like mashed potatoes and stuffing. It also works as a side for more casual meals, adding a comforting touch to any dinner.
For drinks, green bean casserole pairs well with a light white wine like Chardonnay or Sauvignon Blanc, or even a sparkling apple cider for a non-alcoholic option.
Whether served at the holidays or as a hearty side for any meal, green bean casserole is a timeless dish that offers warmth, comfort, and a satisfying balance of textures.
Ingredients
- 1 pound green beans trimmed and cut into 1-inch pieces
- 1 can cream of mushroom soup 10.5 ounces
- 1 cup milk
- 1 teaspoon soy sauce
- 1 can fried onions 6 ounces
Instructions
- Preheat oven to 350°F (175°C).
- In a large bowl, mix cream of mushroom soup, milk, and soy sauce.
- Add green beans and half of the fried onions. Stir to combine.
- Transfer the mixture to a baking dish and bake for 25 minutes.
- Top with the remaining fried onions and bake for an additional 5 minutes.
Nutrition
This casserole is sooo good! My family loved it. It was super easy to make too! Will definitely make it again.
Honestly not a fan… it was too mushy for my taste and I feel like it needed more seasoning. A bit bland.
I totally get what you’re saying! It can definitely be a bit soggy if overcooked. Maybe try using fresh green beans next time and adding some garlic or herbs to kick it up a notch!
Too bland for my taste! I added a ton of seasoning but still didn’t do it for me.
Pretty solid and easy. I’m not sure about the soy sauce though—seemed a little salty next to the soup. Next time I’ll cut it down to 1/2 tsp.
Totally agree—soy sauce can sneak up on you. Next time I’d do even less than 1 tsp too. I tried it once and it felt saltier than it needed to be, especially since the soup is already pretty salty.
What’s with the soy sauce? That doesn’t belong in green bean casserole! 😠
I know it sounds weird, but the soy sauce adds a nice umami flavor! Give it a try before you knock it! 😄
Meh. Too mushroom-y for me, and I dont like soy sauce taste in casseroles.
Easy peasy. Kids ate it (finally). 350 F and done. Love it.
Nice! My kids usually refuse anything green but this sounds like it might actually work. Did you use the regular cream of mushroom or low-fat?
350 F for how long again? I always overcook green beans 😅 also I think I used too much milk once and it got watery, so not sure. But glad it turned out!
It’s ok I guess. Just green beans and stuff… nothing special.
I had no cream of mushroom soup so I used cream of chicken instead. Turned out fine but not the same flavor. Also my oven runs hot so I pulled it a bit early.
Glad it still worked! Cream of chicken is a solid swap, just changes the flavor profile a bit. And yeah—an oven that runs hot can definitely make you pull it early. Next time you could start checking at like 20 minutes.
This is a classic for a reason—nice creamy sauce and the fried onions give it that satisfying crunch. I used low-sodium soy sauce and it still tasted great.
Made this for dinner last night and it actually turned out really comforting. The soy sauce gives the mushrooms a nice depth without tasting “fishy” or anything. I used French’s fried onions and the topping stayed crunchy.
The fried onions make it. Without them I feel like it would be boring. I also like broiling it for 1-2 minutes at the end so the top gets extra golden.
Totally agree—the fried onions are the whole point. The little broil at the end sounds perfect for that extra crunch and golden top.
I love green bean casseroles but this one felt… bland? Like, it needed more seasoning than just soy sauce. Also I forgot to trim the beans and regretted it, so maybe I’m blaming myself. 😅
Super easy weeknight casserole. I did 30 minutes total because my oven runs hot, but flavor was spot on. My family asked for seconds.
30 minutes only? My casserole usually takes like forever 😅 Also, I used no soy sauce once and it tasted… bland? So I believe you. Fried onions on top are the best part, can’t go wrong.
Yesss! Love hearing this—30 minutes and still spot on flavor is a win. I’m definitely trying it next week. Thanks for the tip about the oven temp!
This is exactly the kind of comfort food I crave. The soy sauce adds a savory depth I wouldn’t have thought of—nice twist! I used fresh green beans and it still turned out great.
So good! I added some garlic and cheese and it was amazing!
Easy to follow and my kids loved it! A great way to get them to eat veggies!
This sounds great! I hope my picky eaters will love it too. Thanks for sharing!
This was the best casserole I’ve ever made! So creamy and delicious! Will definitely make it again. 💚
I’m glad you loved it! This casserole is a classic. I add some cheese for extra flavor! 🧀
Pretty solid comfort food. I added a pinch of black pepper and used a splash more soy sauce just because I like it saltier. 350°F worked well—timing was on point.
Love hearing that! I’m with you on the soy sauce—this one really benefits from a little extra savory punch. Glad 350°F worked perfectly for you too.
This recipe is a classic, but I feel like it needs something more. Maybe some garlic?
I totally agree! Garlic would really elevate this dish. It’s a great idea!
Okay but… 1 cup milk seems like a lot for one can of soup. Mine didn’t really thicken, it just kinda baked and stayed loose.
Nah I think your oven might be off or you used smaller can of soup? Also green beans have a lot of moisture… mine always stays soupy if I don’t bake longer than 30 mins.
That’s a fair point. Depending on the soup brand and how watery your green beans are, 1 cup milk can leave it a bit loose—mine thickens more when I let it bake until it’s bubbling around the edges.
I tried this recipe but it didn’t really turn out for me… the sauce was too runny. Maybe I did something wrong?
Green beans turned out bland until I added extra fried onions. Next time I’ll season with pepper/garlic too.
Totally agree—this casserole can use a little extra punch. I usually add garlic powder and black pepper right in the sauce too, and the fried onions really help. Next time I’ll try pepper + a touch more onions from the start.
I think I’ll stick with plain veggies next time. Too much cream!
I get what you’re saying! The cream can overpower the beans sometimes. You could try a bechamel or cheesy sauce instead next time!
I followed the recipe but mine was kind of watery. Maybe I didn’t drain the green beans enough? Still edible, just not as thick as I expected.
Yeah, watery casseroles usually mean there’s extra liquid from the beans or the sauce didn’t thicken enough. If you used fresh/uncooked beans, try blanching them briefly or baking a few minutes longer next time.
Not bad, but I think it needs more flavor—maybe a sprinkle of black pepper or garlic. Also I used 1 lb but my casserole dish was kind of overflowing, so watch your portions.
Wow. So easy. 350°F and 30 minutes total and you get that classic casserole vibe. My kid ate it without complaining, so I’m calling that a win.
Yum! I could eat this every day! It’s perfect for Thanksgiving!
The bake time felt a little short—my beans were still a bit firm after 25 minutes. I added 10 more and then it was great.
350F is right? I cooked it and the onions burned on top before 5 minutes was up. I’d say cover with foil last-minute if your oven runs hot.
I’ve made this at 350°F and it usually works, but my oven runs hot too—burnt onions are real. I’d definitely tent with foil for the last 5 minutes if yours is similar.
350F should be fine, but 10 minutes total time for the onions is maybe too long depending on the dish size. Next time add onions partway through or lower to 325F after 20 min.