Best Ever Green Bean Casserole

Alton Brown

Recipe courtesy Alton Brown, 2007

Show: Good EatsEpisode: Bean Stalker

Picture of Best Ever Green Bean Casserole Recipe 1 Video | Photo: Best Ever Green Bean Casserole Recipe
Rated 4 stars out of 5
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  • Read 383 Reviews
Total Time:
1 hr 10 min
Prep
25 min
Cook
45 min
Yield:
4 to 6 servings
Level:
Easy
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Ingredients

For the topping:

  • 2 medium onions, thinly sliced
  • 1/4 cup all-purpose flour
  • 2 tablespoons panko bread crumbs
  • 1 teaspoon kosher salt
  • Nonstick cooking spray

For beans and sauce:

  • 2 tablespoons plus 1 teaspoon kosher salt, divided
  • 1 pound fresh green beans, rinsed, trimmed and halved
  • 2 tablespoons unsalted butter
  • 12 ounces mushrooms, trimmed and cut into 1/2-inch pieces
  • 1/2 teaspoon freshly ground black pepper
  • 2 cloves garlic, minced
  • 1/4 teaspoon freshly ground nutmeg
  • 2 tablespoons all-purpose flour
  • 1 cup chicken broth
  • 1 cup half-and-half

Directions

Preheat the oven to 475 degrees F.

Combine the onions, flour, panko and salt in a large mixing bowl and toss to combine. Coat a sheet pan with nonstick cooking spray and evenly spread the onions on the pan. Place the pan on the middle rack of the oven and bake until golden brown, approximately 30 minutes. Toss the onions 2 to 3 times during cooking. Once done, remove from the oven and set aside until ready to use. Turn the oven down to 400 degrees F.

While the onions are cooking, prepare the beans. Bring a gallon of water and 2 tablespoons of salt to a boil in an 8-quart saucepan. Add the beans and blanch for 5 minutes. Drain in a colander and immediately plunge the beans into a large bowl of ice water to stop the cooking. Drain and set aside.

Melt the butter in a 12-inch cast iron skillet set over medium-high heat. Add the mushrooms, 1 teaspoon salt and pepper and cook, stirring occasionally, until the mushrooms begin to give up some of their liquid, approximately 4 to 5 minutes. Add the garlic and nutmeg and continue to cook for another 1 to 2 minutes. Sprinkle the flour over the mixture and stir to combine. Cook for 1 minute. Add the broth and simmer for 1 minute. Decrease the heat to medium-low and add the half-and-half. Cook until the mixture thickens, stirring occasionally, approximately 6 to 8 minutes.

Remove from the heat and stir in 1/4 of the onions and all of the green beans. Top with the remaining onions. Place into the oven and bake until bubbly, approximately 15 minutes. Remove and serve immediately.

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Newest Ratings and Reviews

Read all 383 reviews

  • on January 01, 2012

    Flag

    Have to admit, I was a little skeptical. How good can green bean casserole be? Oh, it can be GREAT!!! Everyone HAD to have the recipe.It is tricky not to burn the onion topping. I'm going to try a lower oven temperature next time. (But I have a feeling I'm going to have a LOT of practice making this recipe!

    people found this review Helpful.
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  • on December 31, 2011

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    This recipe was INCREDIBLE!!!! Soooo easy and delicious!!! Will defiantly make it again! Was a HUGE hit at my Xmas Party!!!!

    people found this review Helpful.
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  • on December 27, 2011

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    They were fantastic and live up to their name. I will make them again.

    people found this review Helpful.
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