Side Dishes

Best-Ever Green Bean Casserole

From Alton Brown

6 Servings

  • Topping
  • 2 medium onions, thinly sliced
  • ¼ cup all-purpose flour
  • 2 tablespoons panko bread crumbs
  • 1 teaspoon kosher salt
  • 3 sprays vegetable oil cooking spray
  • Beans
  • 1 pound green beans, rinsed and trimmed
  • Sauce
  • 2 tablespoons unsalted butter
  • 12 ounces fresh mushrooms, trimmed and cut into ½-inch pieces
  • 1 teaspoon kosher salt
  • ½ teaspoon black pepper
  • 2 cloves garlic, minced
  • ¼ teaspoon ground nutmeg
  • 2 tablespoons all-purpose flour
  • 1 cup chicken broth
  • 1 cup half and half

Preheat oven to 475° F.

Combine the onions, flour, panko and salt in a large mixing bowl and toss to combine. Coat a half sheet pan with nonstick 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 or 3 times during cooking. Once done, remove from the oven and set aside until ready to use.

Turn the oven down to 400° F.

While the onions are cooking, make the beans and sauce. Bring one 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, 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 one-quarter of the onions and all of the green beans. Top with the remaining onions. Bake until bubbly, approximately 15 minutes. Remove and serve immediately.

We love green bean casserole and this looks and sounds delicious. However, it does look very time consuming but will probably will take the time to try this atleast once.
sixoil 2 years ago
looks delicious . I'll give this a try
tharveyster 3 years ago
This is a lot more work that the traditional recipe, but well worth it.

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