Best Ever Green Bean Casserole (Alton Brown) Recipe

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Best Ever Green Bean Casserole (Alton Brown)
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  1. Preheat the oven to 475 degrees F.
  2. 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.
  3. 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.
  4. 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.
  5. 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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Nutrition Facts

Per ServingPer 100 g
Amount Per 1 Serving
Calories 257.67 Kcal (1079 kJ)
Calories from fat 119.09 Kcal
% Daily Value*
Total Fat 13.23g 20%
Cholesterol 37.65mg 13%
Sodium 1316.78mg 55%
Potassium 740.19mg 16%
Total Carbs 28.14g 9%
Sugars 7.39g 30%
Dietary Fiber 5.87g 23%
Protein 8.65g 17%
Vitamin C 24.3mg 41%
Vitamin A 0.1mg 2%
Iron 2.2mg 12%
Calcium 135mg 14%
Amount Per 100 g
Calories 64.94 Kcal (272 kJ)
Calories from fat 30.02 Kcal
% Daily Value*
Total Fat 3.34g 20%
Cholesterol 9.49mg 13%
Sodium 331.89mg 55%
Potassium 186.56mg 16%
Total Carbs 7.09g 9%
Sugars 1.86g 30%
Dietary Fiber 1.48g 23%
Protein 2.18g 17%
Vitamin C 6.1mg 41%
Iron 0.5mg 12%
Calcium 34mg 14%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.


  • salty
  • savory
  • bitter
  • sweet
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Recipe Tags

Weightwatchers Points

  • 5.5
  • 7

Good Points

  • saturated fat free,
  • low cholesterol

Bad Points

  • High in Sodium

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