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holiday casserole recipe with green beans, mushroom

Green Bean Casserole Recipe

Creamy, comforting, and made from scratch, this Green Bean Casserole with frozen green beans features homemade mushroom gravy, crispy fried onions, and simple ingredients everyone will love.
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Prep Time: 20 minutes
Cook Time: 30 minutes
Total Time: 50 minutes
Course: Side Dish
Cuisine: American
Servings: 10 servings
Calories: 310kcal
Author: Ruth Truett

Equipment

  • large skillet
  • spatula
  • 9x13 baking dish

Ingredients

  • 4 (10 oz bags) frozen, cut green beans, thawed
  • 8 tablespoon salted butter
  • 1 med onion, diced
  • 1 (8 oz container) mushrooms, thinly sliced I used cremini, but any kind will work
  • 3-4 cloves garlic minced
  • 3 tablespoon all-purpose flour
  • 1 cup French's fried onions
  • 1 cup heavy cream
  • 1 cup chicken or vegetable stock
  • kosher salt, to taste
  • fresh ground black pepper, to taste

Casserole Topping

  • 1 cup French's fried onions
  • ½ cup parmesan, grated

Instructions

  • Preheat the oven to 350°.
  • Sauté onions and mushrooms in the butter until softened. Add garlic and cook until fragrant.
  • Sprinkle in flour and whisk for a few minutes to cook out the raw flour taste.
  • Add the fried onions and mix together.
  • Slowly add the broth and cream, whisking continuously. Bring to a simmer and let the sauce thicken a bit. Check for salt and pepper. Add if needed.
  • Add the thawed green beans and mix to combine.
  • Pour the green bean mixture into a greased 9x13 pan. Mix topping ingredients together and sprinkle over the top of the casserole.
  • Bake for approximately 30 minutes or until golden and bubbly.
  • Enjoy!

Nutrition

Serving: 1serving | Calories: 310kcal | Carbohydrates: 18g | Protein: 5g | Fat: 25g | Saturated Fat: 14g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 0.4g | Cholesterol: 56mg | Sodium: 301mg | Potassium: 321mg | Fiber: 3g | Sugar: 5g | Vitamin A: 1456IU | Vitamin C: 15mg | Calcium: 110mg | Iron: 1mg
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