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–+ servings

Green Bean Casserole with Mushrooms and Crispy Onions

This comforting green bean casserole features bright green beans, earthy sautéed mushrooms, and a creamy mushroom soup base, topped with crispy fried onions. The dish combines textures of tender beans, golden mushrooms, and crunchy topping, baked until bubbling and golden brown for a cozy, inviting presentation.
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Course: Main Course
Cuisine: American
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Calories: 250kcal
Author: James Taylor
Servings: 6

Equipment

Ingredients

  • 1 pound fresh green beans trimmed ends
  • 8 ounces mushrooms sliced
  • 1 can 10.5 oz cream of mushroom soup
  • 1/4 cup milk
  • 2 tablespoons butter unsalted, good quality
  • 1 tablespoon soy sauce or Worcestershire
  • 1 cup fried onions store-bought or homemade
  • 2 teaspoons fresh thyme or parsley chopped, for garnish

Instructions

  • Preheat your oven to 180°C (350°F) and set a casserole dish nearby.
    Preheat oven
  • Trim the ends off the green beans, then bring a large pot of water to a boil. Add the green beans and blanch for about 3 minutes until they turn vibrant green and are tender-crisp. Drain and quickly shock in ice water to stop the cooking, then pat dry with a towel.
  • In a skillet, melt the butter over medium heat. Add the sliced mushrooms and sauté for about 8 minutes until they release their earthy aroma and turn golden brown, filling your kitchen with a rich scent.
  • In a mixing bowl, combine the sautéed mushrooms with the cream of mushroom soup, milk, and soy sauce. Stir until smooth and well integrated, creating a creamy, flavorful base.
    combine the cream of mushroom soup
  • Gently fold the blanched green beans into the mushroom mixture, making sure they are coated evenly without breaking the beans apart.
  • Pour the mixture into a buttered casserole dish, spreading it out evenly. Sprinkle the crispy fried onions generously over the top for a crunchy finish.
    spread evenly
  • Bake uncovered for 25 minutes, until the casserole is bubbling around the edges and the top is golden brown and crispy.
    Bake uncovered in the preheated oven
  • Remove from the oven and let it rest for about 5 minutes, allowing the flavors to settle and the casserole to set slightly. The aroma of caramelized onions and herbs will fill your kitchen.
    Remove from the oven and let it rest for 5 minutes
  • Garnish with chopped fresh thyme or parsley for a burst of color and fresh herbal aroma. Serve hot and enjoy this cozy, layered dish.
    serving with roasted onion

Notes

For extra texture, add a handful of toasted walnuts or a splash of sherry to the mushroom mixture before baking. Adjust seasoning with salt or soy sauce to taste before baking.

Nutrition

Calories: 250kcal | Carbohydrates: 20g | Protein: 6g | Fat: 15g | Saturated Fat: 7g | Cholesterol: 20mg | Sodium: 600mg | Potassium: 350mg | Sugar: 4g | Vitamin C: 10mg | Calcium: 50mg | Iron: 2mg