...
Go Back
Close-up shot of a green bean casserole with crispy fried onions on top, surrounded by a cozy kitchen setting.

Best Green Bean Casserole Recipe

A classic holiday side dish with tender green beans, creamy mushroom sauce, and crispy fried onions for added crunch.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 8 servings
Course: Side Dish
Cuisine: American
Calories: 350
Ingredients Method Notes

Ingredients
  

Green Beans
  • 2 pounds fresh green beans, trimmed and cut in half
  • 0.5 tablespoon olive oil
  • 1 medium onion, chopped
  • 8 ounce mushrooms, chopped
  • 4 cloves garlic, minced
  • 2 cans condensed cream of mushroom soup (10.5 ounce)
  • 1 cup buttermilk
  • 1 cup chicken broth
  • 1 cup shredded Monterey Jack or mozzarella cheese preferably freshly shredded
  • 3 cups French’s crispy fried onions, divided

Method
 

  1. Preheat oven to 350F/180C. Grease a 9x13 pan.
  2. Boil green beans for 2-3 minutes, then drain.
  3. Sauté onions and mushrooms in oil for 3-5 minutes, add garlic and cook 1-2 minutes.
  4. Add soup, buttermilk, and broth; cook 5-8 minutes until heated.
  5. Mix in green beans, cheese, and ¾ cup fried onions. Transfer to pan.
  6. Bake uncovered 30-35 minutes, then top with remaining fried onions and bake 10 more minutes.

Notes

For extra flavor, add a sprinkle of fresh parsley before serving.