Learn how to make A French Onion Green Beans Casserole. Indulge your taste buds with a culinary masterpiece that transforms humble green beans into a decadent delight. Fresh, crisp green beans serve as the vibrant foundation, perfectly complemented by a symphony of flavors that includes rich Gruyere cheese, creating a creamy and savory sensation. The dish is elevated with a luscious white sauce that seamlessly binds the ingredients together, offering a velvety texture that lingers on the palate. Caramelized onions add a sweet and savory depth, infusing each bite with warmth and sophistication. Crowned with a golden layer of crispy panko breadcrumbs, this casserole achieves the ideal balance of textures—crunchy, creamy, and utterly satisfying. It’s not just a side dish, it’s festive culinary experience that promises to enchant every pallet at your holiday gathering.

Ingredients:
2 lb. of Green Beans
8 Oz Shredded Gruyere Cheese
2 Oz grated Parmesan Cheese
2/3 Cups of Panko Breadcrumbs
2 Tbsp. Butter

French Onions:
2-3 Large Sweet Onions (Radial cut)
2 Tbsp. Butter

White Sauce:
2 Tbsp. Unsalted Butter
2 Tbsp. All Purpose Flour
2 Cups of Milk
1/2 Tsp Salt
1 Tsp Black Pepper
1/2 Tsp grated Nutmeg
1/2 Tsp Cayenne Pepper
1 Tsp Dried Thyme

Directions:
1. Prep the Green Beans by snipping off the end, and cutting them in half
2. Bring a pot of water to a boil, add 1 Tsp salt, and add the Green Beans. Boil for 2-3 minutes to blanch the Green beans. Then strain and set aside to cool.
3. Caramelize the onions by heating a pot over medium low heat. To it add butter, and the sliced onions and stir them until the onions wilt and turn a brown color.
4. Create the white sauce by heating a sauce pan over medium heat. To it add butter, and all purpose flour to create a roux. Then add the milk slowly to prevent lumps. Then add the salt, black pepper, cayenne pepper, thyme and nutmeg.
5. In a small bowl, add the Panko breadcrumbs and drizzle in 2 Tbsp. of melted butter. Gently mix until all the breadcrumbs have absorbed the butter.
6. Preheat the oven to 375 F (or 190 C)
7. Grease a 9″ x 13″ casserole dish. Add half of the French Onions and spread them out evenly. Then add half of the Green Beans, and spread them evenly. Then ladle on half of the white sauce. Then add a layer of shredded Gruyere cheese. Then repeat starting with the Green Beans, then white sauce, then French Onions, and then Gruyere cheese. Atop the cheese add a layer of Panko Breadcrumbs. Then add a layer of grated parmesan cheese.
8. Put in the oven uncovered, and bake for 25 minutes at 375 F.
9. After 25 minutes, remove from oven, and allow to cool for 10 minutes before serving.
10. Enjoy 🙂

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What do you call a casserole that sings a tuna casserole welcome back to berry berry life today we’re making green bean casserole this is a perfect recipe for the holidays especially for family gatherings so let’s get started first we’ll start by preparing the green beans we usually get a large

Bag from Costco and this 2 lb bag is perfect for this recipe we’ll s off the ends and cut them in halves you can do this one at a time or group them in a bunch like this fun facts green beans are also known as string beans or snap

Beans they’re typically harvested when the pods are still immature they’re believed to have originated in Peru when buying green beans we usually get the large bag and typically prep and freeze them to be used in different dishes after the green beans we’ll slice the onions sweet onions are the best to make

French onion soup the extra sugar helps with caramelization what do you call an onion that’s always telling jokes a Pion usually for French onions we prefer slicing them into rounds but today we’ll use the radial cut which is pole to pole it helps the onions stay more intact

During cooking sweet onions have a shorter shelf life so you have to store them in a cool dry place with good air circulation once all the vegetables are cut we’ll bring a pot of water to boil and add a teaspoon of salt then throw in the green beans and boil them for about

2 to 3 minutes the blanching process helps to brighten and soften the green beans it also helps to slow down vitamin loss during cooking wow look at that color we want to preserve that color throughout the cooking process after the green beans we’ll caramelize the onions

To a large pot over medium low heat We’ll add a couple of tablespoons of butter and toss in our mountain of onions don’t worry if this looks like a lot of onions they’ll cook down quite a bit this process takes about 15 minutes it’s low and slow the burnt bits

Sticking to the bottom are called fond and can be used to make aou at the end the caramelized onion should look something like this with the vegetables cooked now we’ll make the white sauce to make this we’ll start with a root that’s equal parts butter and flour keep the

Temperature to a medium low to prevent burning we’ll cook the rud to a light color and then slowly add in cold milk we add the milk slowly to prevent clumps this white sauce is called a bashel in French which is one of the five mother sauces of French

Cuisine once we’ve Incorporated about a third of the milk we’ll add the remaining with the foundation of the sauce formed now we’ll tackle The Taste We’ll add some ground black pepper we like to use a coarse grind and some salt for Seasoning and for flavoring We’ll add some cayenne pepper for a little bit of heat and some freshly ground nutmeg because it’s nutty earthy and slightly sweet to round out the flavor why did the nutmeg go to therapy because it had a grading day and for the herb we’re

Using thy that we’ve dried at home we’ll bring everything to a gentle boil and allow the sauce to thicken to a nape consistency which means the sauce will have the consistency to stick to the back of a spoon with the sauce ready we’ll take it

Off the heat and allow it to cool and lastly we’ll prepare some breadcrumbs for the top in a small bowl we’ll add 2/3 cups of panko breadcrumbs and then drizzle in 2 tbsp of melted butter we’ll give it a gentle mix and allow the breadcrumbs to absorb the butter this

Will help them from burning in the oven and allowing them to get the gbd if you’re enjoying this video be sure to hit the like button and let us know in the comments below and don’t forget to subscribe for more great content with all the ingredients prepared now we can assemble the

Casserole we we’ll start with a layer of French onions we’ll add half the onions and spread them out evenly we didn’t grease the pan we just forgot to do it but in the end it didn’t make a difference if you think the food is going to stick to your pan feel free to

Grease it you’re the Peter to your pan then add half of our green beans and again spread them out evenly now we’ll Ladle on half of our sauce and next some shredded guier cheese I’m no scientist but there’s definitely a chemical reaction that makes you happy when shredding cheese and piling it on

Into a dish like this then we’ll repeat the cycle We’ll add the second half of our green beans the green beans are so vibrant not mushy at all the rest of the white sauce it’s like a vegetable lasagna without the pasta now the rest of our French

Onions then more of that guier cheese and don’t be stingy you can save that resolution for January 1st then we like to season with more salt and black pepper you don’t want boring vegetables boring translation unseasoned then on the top We’ll add our panko breadcrumbs the butter will help

Them turn golden brown and crispy and prevent them from burning and what breadcrumb crust would be complete without some grated Parmesan with the casserole prepared it’s ready to go into the Oven we’ll preheat the oven to 375 once the oven is at temperature we’ll place the casserole in the oven and bake for about 25 5 minutes then 25 minutes later it’s ready and smells Amazing the crust is nice and crispy we’ll go for the corner love the crunch of that crust ideally you want to allow the casserole to cool a little this helps to bind the ingredients together and it’s not soupy this is the consistency we’re looking for love the

Way the crust sticks to the green beans oh man I cannot wait to dig again the green beans are still green and have a nice crisp bite to them not mushy at all there you have it French onion green bean coll hope you enjoyed the video be

Sure to check out our holiday recipes or our holidays recipe playlist have a wonderful holiday and see you in the next episode of berry berry life enjoy

9 Comments

  1. That looks really good. I'd like to make this for our Christmas dinner but I generally need to make most things a day ahead. Would this hold up if I assembled it the day before and cooked it the next day?

  2. It is like you read my mind this year, Berry. I have a guilty secret of actually liking the tired old beans but I gave up Campbell's soups along with all other processed c**p years ago and had not found a good substitute (seems like it shouldn't be that hard.) The caramelized onions in this with the cheese look like just what I was looking for. I attend a large gathering for Christmas and I think I found my offering this year. Thank you for sharing.

  3. Love the terrible jokes grrroooaaannners 😂😂😂
    That casserole isn't a staple here in Canada, but it does look "more-ish", so I'll let it loose on my family during the holidays! Thank you.
    One thing I wanted to say is that when making white sauce, if you're using cold milk/water/broth you can just pour it all in and you won't get lumps. My mum was a chef and that was one thing she was always telling people.
    "Hot roux+cold liquid = no lumps"
    It may seem picky but it saves a few minutes, especially when you've got the oven and stovetop all going full tilt. Not having to stand and stir liquid into a roux slowly, over a period of time, does save precious minutes to do one or two of the other thousand things you need to do RIGHT NOW! 😊😊
    Not a criticism ~ just a suggestion.
    Hello 👋 from Jenn in Canada 🇨🇦 🇨🇦 🇨🇦

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