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Homemade Green Bean Casserole taken with iphone 15 pro max --iw 2 --ar 4:5 --v 6.0 --raw

Best Green Bean Casserole

This creamy and rich green bean casserole features tender green beans, sautéed onions and garlic, fresh mushrooms, and a velvety sauce topped with crispy French fried onions for the perfect holiday side dish.
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Course Soup
Cuisine Mexican
Servings 8 servings
Calories 260 kcal

Equipment

  • 1 Mixing bowl Large

Ingredients
  

Main Ingredients

  • 2 pounds fresh green beans rinsed, trimmed, halved
  • 2 tablespoons salted butter
  • 1 medium onion chopped
  • 2 cloves garlic minced
  • 8 ounces baby bella or white button mushrooms chopped (optional)
  • 1 teaspoon kosher salt
  • ½ teaspoon freshly ground black pepper
  • 2 tablespoons all-purpose flour
  • 1 cup chicken broth
  • 1 cup half-and-half
  • ½ cup Panko bread crumbs
  • 6 ounces French fried onions

Instructions
 

Instructions

  • Preheat oven to 375°F.
  • Boil green beans for 5 minutes until tender-crisp, then drain and set aside.
  • Melt butter in a skillet and sauté onion for 5 minutes until soft. Add garlic and optional mushrooms and cook for 5-7 minutes.
  • Add salt, pepper, and flour. Stir and cook for 2 minutes.
  • Slowly whisk in chicken broth, stir until thickened, about 3-4 minutes.
  • Reduce heat and add half-and-half. Heat until warmed through.
  • Fold in green beans until they’re coated with sauce.
  • Transfer mixture to greased 9x13-inch baking dish.
  • Top with breadcrumbs and French fried onions.
  • Bake for 20-25 minutes until hot and bubbly, adding onions during last 5 minutes for extra crunch.
  • Let rest a few minutes before serving.

Notes

Let the casserole rest before serving to thicken the sauce. Add French fried onions just before baking for max crunch.