Inexperienced Bean Casserole Recipe – Love and Lemons

This inexperienced bean casserole recipe is an up to date tackle the traditional dish. It is made out of scratch with recent inexperienced beans and a creamy mushroom sauce.

Green bean casserole

Inexperienced bean casserole is at all times on my household’s Thanksgiving menu, proper alongside the mashed potatoes, stuffing, and cranberry sauce. We, like many people, made the model with Campbell’s cream of mushroom soup, French fried onions, and canned inexperienced beans for years…till I set myself the duty of creating a do-it-yourself inexperienced bean casserole from scratch.

Let me introduce you to the outcomes: this inexperienced bean casserole recipe. It stars recent inexperienced beans, crispy baked onions, and a wealthy and creamy mushroom sauce that blows the canned soup out of the water. As soon as I attempted it, I couldn’t return to the Campbell’s model, and I don’t assume you’ll be capable of both. This inexperienced bean casserole recipe is recent, colourful, and filled with savory taste. Add it to your vacation desk this yr, and it’s assured to be a success.

Green bean casserole recipe ingredients

Inexperienced Bean Casserole Elements

Right here’s what you’ll must make this inexperienced bean casserole recipe:

  • Contemporary inexperienced beans, in fact! I like haricots verts finest right here, however any recent inexperienced beans will do. In a pinch, frozen inexperienced beans are a effective substitute.
  • Cremini mushrooms – For the creamy do-it-yourself mushroom sauce. Swap in white button mushrooms in the event you desire!
  • Tamari or soy sauce – It brings out the mushrooms’ umami taste.
  • Garlic and thyme – They add recent, savory taste to the sauce.
  • Dijon mustard – It makes the sauce style good and tangy.
  • Milk (any variety!) and Parmesan cheese – They offer the mushroom sauce its creamy texture. The Parmesan provides wealthy, nutty taste too!
  • All-purpose flour – It thickens the mushroom sauce and helps the onions crisp up within the oven.
  • Yellow onions – You’ll thinly slice them for the crispy onion topping.
  • Panko breadcrumbs – They work with the flour to make the onions crispy.
  • Further-virgin olive oil – It provides richness to the sauce and helps the onions crisp up as they bake.
  • And salt and pepper – To make all of the flavors pop!

Discover the whole recipe with measurements beneath.

Hands tossing onions in a bowl

Find out how to Make Inexperienced Bean Casserole

This inexperienced bean casserole recipe has three elements: the crispy onions, the inexperienced beans, and the mushroom sauce. You’ll find the whole recipe with measurements on the backside of this publish, however for now, right here’s an summary of the way it goes:

Begin with the onions. Thinly slice the onions and toss them with olive oil, flour, salt, and panko. Unfold them in a good layer on two massive baking sheets and roast till they’re golden brown and starting to crisp up, tossing them each 10 minutes.

  • Variation: Quick on time? Streamline this recipe by utilizing store-bought French fried onions as a substitute of those crispy baked ones.

Onions on a baking sheet

Then, blanch the inexperienced beans. Convey a big pot of salted water to a boil and add the inexperienced beans. Cook dinner for 4 minutes, stirring sometimes, till the beans are crisp-tender and vibrant inexperienced. Drain them, and switch them to a big bowl of ice water to cease the cooking course of. After they’ve cooled, unfold them on a kitchen towel to dry.

Green beans in a colander

Subsequent, make the sauce. Sauté the mushrooms till they’re mushy, and stir in tamari, garlic, and thyme for taste. Sprinkle in some flour, and add milk and Dijon mustard. Simmer till thickened, round 20 minutes. Then, stir in Parmesan cheese and black pepper.

Creamy mushroom sauce in a skillet

Lastly, assemble and bake! Cowl the underside of a greased baking dish with a skinny layer of the sauce. Pile within the tender inexperienced beans, and unfold the remainder of the sauce on prime. Sprinkle with the crispy onions, and bake, coated, for 10 minutes. Uncover the baking dish, and bake for 10 minutes extra.

Get pleasure from!

How to make green bean casserole

Greatest Inexperienced Bean Casserole Recipe Ideas

  • Search for haricots verts. Any kind of recent inexperienced beans will work on this recipe, however we had the very best outcomes with skinny haricots verts. They’re slimmer than common inexperienced beans, which helps them combine with the sauce and onion topping. Plus, they’ve a scrumptious snappy texture!
  • Watch the onions as they cook dinner, and rotate the pans. If you toss the onions each 10 minutes as they cook dinner, rotate their baking sheets. This may assist guarantee even cooking—you don’t need one pan to burn earlier than the opposite will get crispy! Watch them carefully close to the tip of the cooking time, as they’ll rapidly go from good to burned.
  • Or use store-bought French fried onions. Wish to streamline this recipe? Exchange the crispy baked onions with 1 1/2 cups French fried onions.
  • Be sure your inexperienced beans are dry. Nobody likes a watery inexperienced bean casserole, so ensure that to dry the inexperienced beans completely after you blanch them!

Crispy onions on a baking sheet

Are you able to make inexperienced bean casserole forward of time?

Sure! You can also make this inexperienced bean casserole recipe as much as a day prematurely. Right here’s how:

  1. Bake the crispy onions, and retailer them at room temperature.
  2. Blanch the inexperienced beans.
  3. Make the mushroom cream sauce.
  4. Assemble the casserole with the sauce and inexperienced beans. Cowl tightly and retailer within the fridge till simply earlier than serving.
  5.  If you’re able to bake, uncover the casserole and add the crispy onions. Bake the casserole in keeping with the recipe till it’s heated via.


This inexperienced bean casserole recipe is finest on the day it’s made, however leftovers maintain effectively for as much as 2 days. Retailer them in an hermetic container within the fridge, and reheat within the microwave or a 350°F oven.

Best green bean casserole recipe

Extra Favourite Thanksgiving Recipes

If you happen to love this inexperienced bean casserole recipe, strive certainly one of these Thanksgiving facet dishes subsequent:

Inexperienced Bean Casserole

Prep Time: 20 minutes

Cook dinner Time: 1 hour

Complete Time: 1 hour 20 minutes

Serves 8

This inexperienced bean casserole recipe is an up to date twist on the traditional vacation facet dish. Made with recent inexperienced beans and a creamy do-it-yourself mushroom sauce, it is wholesome and scrumptious. I wish to prime it with crispy baked onions (see the notes beneath!), however store-bought French fried onions work right here too.

Stop your display from going darkish

  • Preheat the oven to 400°F. Frivolously grease a 9×13-inch baking dish.

  • Convey a big pot of salted water to a boil and set a big bowl of ice water close by. Drop the inexperienced beans into the boiling water and blanch for 4 minutes. Drain, and instantly immerse within the ice water to cease the cooking course of. Drain, and switch to a towel to dry.

  • Warmth the olive oil in a big skillet, add the mushrooms, and cook dinner till mushy, 8 to 10 minutes. Stir within the tamari, garlic, and thyme. Sprinkle the flour over the mushrooms and stir once more. Add the milk and mustard and stir to mix. Simmer till thickened, whisking usually, 15 to twenty minutes. Stir within the Parmesan cheese and pepper.

  • Unfold ⅓ of the sauce into the baking dish. Layer with inexperienced beans and prime with the remaining sauce. Sprinkle the onions on prime and bake, coated, for 10 minutes. Uncover and bake 10 extra minutes. If the onions begin to brown an excessive amount of, cowl the dish for the rest of the baking time. Garnish with sprinkles of Parmesan, if desired. Serve sizzling.

For the Crispy Baked Onions: Preheat the oven to 450°F. Line 2 massive baking sheets with parchment paper.
Thinly slice 2 medium yellow onions. In a big bowl, toss the onions with 4 teaspoons olive oil, 1/2 cup all-purpose flour, 2 tablespoons panko bread crumbs, and 1/2 teaspoon sea salt. Unfold evenly onto the baking sheets and bake for 25 to 35 minutes, tossing each 10 minutes (rotating the pans within the oven as mandatory), till calmly browned and crispy. Retailer at room temperature till you are able to assemble the casserole.
For vegan inexperienced bean casserole: Omit the cheese and add just a few additional pinches of salt to the mushroom sauce.


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