Ultimate Green Bean Casserole

22 ingredients
6 steps

Ingredients

  • Casserole
  • 3 lbs fresh green beans, picked over with the end tips cut off and cut into pieces about 1 1/2 inches long
  • 1 cup sun-dried tomato, chopped fine (optional)
  • 1 1/2 cups French's French fried onions (or French Fried Onions is a good one)
  • Bechamel
  • 5 tablespoons unsalted butter
  • 1 cup shallots or 1 cup onion, minced
  • 1 tablespoon minced garlic (about 3-4 cloves)
  • 1/4 cup unbleached all-purpose flour
  • 3 1/2 cups whole milk
  • 2 bay leaves
  • 3/4 teaspoon nutmeg, freshly grated
  • 1/2 teaspoon salt
  • 3 -5 drops hot sauce
  • 1/4 teaspoon ground black pepper
  • 2 ounces parmesan cheese, freshly grated (about 1 cup)
  • 4 cups fresh mushrooms, chopped (any kind or a combination, use canned if fresh is not available)
  • Topping
  • 6 tablespoons unsalted butter, softened
  • 1/4 cup parmesan cheese, freshly grated
  • 1 cup French-fried onions
  • 3 pieces toast, preferably whole grain and well toasted

Directions

  1. 1
    Preheat the oven to 350 degrees F.
  2. 2
    Steam green beans until they are still just slightly crisp and set aside.
  3. 3
    Grease a 13x9 inch casserole or other similar size dish with butter and set aside.
  4. 4
    Make the bechamel: Melt 5 tablespoons butter until foaming in medium saucepan over medium heat; add shallots and garlic and cook, stirring frequently, until translucent, about 4 minutes. Add flour and cook, stirring constantly, for about 1 1/2 minutes. Do not brown. Gradually whisk in milk. Bring mixture to boil over medium-high heat, whisk in bay leaves, nutmeg, salt, hot sauce and pepper. Reduce heat to low and simmer 10 minutes, whisking occasionally. Discard bay leaf and whisk in 1 cup Parmesan. Add mushrooms and mix well.
  5. 5
    In a mixing bowl combine bechamel mixture, green beans, tomatoes if using and 1 1/2 cups of the French fried onions. Mix well to combine. Spread mixture into prepared baking dish.
  6. 6
    Place the 6 Tbs. butter, 1/4 cup Parmesan, 3/4 cup French fried onions and toasted bread in a food processor and pulse until well combined and crumbly. Spread over the top of the green beans. Bake in preheated oven for about 15 to 20 minutes until the topping is golden brown and the casserole is bubbling.

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