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Smoked green bean casserole with french fried onions with serving spoon in casserole.
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Smoked Green Bean Casserole

Smoked Green Bean Casserole is the ultimate side dish for holiday dinners. Made with fresh green beans and a homemade mushroom sauce that is loaded with flavor. Easy to make on the grill!
Prep Time15 minutes
Cook Time55 minutes
Total Time1 hour 10 minutes
Course: Side Dishes
Cuisine: American
Keyword: Green bean casserole Traeger grill, grilled green bean casserole, Thanksgiving side dish on the grill
Servings: 6 Servings
Calories: 366kcal
Author: Milisa

Ingredients

  • 1 pound fresh green beans washed, trimmed and cut in half
  • 4 tablespoons butter divided use
  • 1 cup diced onion
  • 1 cup diced bell pepper
  • 1 tablespoon minced garlic
  • 8 ounces white mushrooms washed and sliced
  • 1 tablespoon all purpose flour
  • 1 cup heavy cream
  • ¾ cup chicken or vegetable broth
  • 1 teaspoon kosher salt
  • 1 teaspoon fresh ground pepper
  • 1 cup French fried onions

Instructions

  • Preheat grill to 350°.
  • Bring 4 cups of water to a boil in a large pan. Add green beans and cook for 8-10 minutes or until tender. Drain and set aside.
  • Add onions, bell peppers and garlic to a skillet with 2 tablespoons butter, cook over medium- high heat until vegetables are star softened.
  • Add mushrooms and continue to cook, stirring occasionally until mushrooms are softened, about 3 – 5 minutes.
  • Add remaining 2 tablespoons of butter to the skillet and sprinkle in flour. Whisk to combine and cook over medium heat for 3-5 minutes.
  • Whisk in cream, broth, salt and pepper. Cook for 4-5 minutes, whisking continually until thickened and smooth.
  • Add green beans and mix to combine.
  • Leave the mixture in the skillet or place in a baking pan that you don't mind placing on the grill.
  • Top with French fried onions and cover with aluminum foil.
  • Grill for 25 minutes. Remove aluminum foil and continue to cook 10-15 minutes or until onions are browned and crispy.
  • Remove from grill and serve immediately.

Notes

  • Make Ahead: Prepare the green bean casserole to the point before adding the onions. Cover tightly with plastic wrap or aluminum foil. Refrigerate up to 2 days. Add onions before baking and add an additional 5 minutes to cook time.
  • Leftovers: Store leftover green bean casserole in an airtight container in the refrigerator up to 2 days.
  • Reheat: Place green bean casserole in a non-stick pan and cook over medium heat, stirring until heated through.
  • Variations: Use a can of cream of mushroom soup in place of adding flour and heavy cream if desired.
  • More Additions: Add in 1 cup shredded cheese for a cheesy green bean casserole. Sprinkle 4 slices cooked and crumbled bacon over the top with the French fried onions for a loaded green bean casserole.

    • Nutrition

    Serving: 1g | Calories: 366kcal | Carbohydrates: 23g | Protein: 9g | Fat: 28g | Saturated Fat: 15g | Polyunsaturated Fat: 10g | Trans Fat: 1g | Cholesterol: 81mg | Sodium: 528mg | Fiber: 4g | Sugar: 8g