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Green Bean Casserole Recipe


Green Bean Casserole

Green Bean Casserole

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The traditional green bean casserole is made with canned cream of mushroom soup to provide mushroom flavor and an easy sauce. I wanted to see if I could improve upon tradition by making a homemade sauce with fresh mushrooms. The result is this delectable green bean casserole recipe that really makes a statement.

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Prep Time: 10 minutes

Cook Time: 30 minutes

Total Time: 40 minutes

Yield: 10-12 servings


  • 1-1/2 Tbsp. butter
  • 1/2 cup diced onion
  • 1 cup sliced mushrooms
  • 1-1/2 Tbsp. all-purpose flour
  • 1 tsp. garlic powder
  • 1 tsp. black pepper
  • 1-1/2 cups vegetable broth
  • 1/4 cup sour cream (low-fat or non-fat is okay)
  • 3 14 oz. cans green beans
  • 1 cup shredded Parmesan cheese
  • 1 6 oz. can French fried onions


  1. Preheat oven to 350 degrees F. Spray a 2-quart casserole dish with cooking spray.

  2. Heat butter in a medium skillet over medium heat. Add onions. Cook 2-3 minutes.

  3. Add mushrooms. Cook, stirring, until browned.

  4. Sprinkle flour over vegetables and cook a minute or two to allow the raw flour taste to cook off.

  5. Season with garlic powder and pepper. Stir in vegetable broth and sour cream. Cook until thickened, stirring. Remove from heat.

  6. Place green beans in a large mixing bowl. Pour mushroom sauce over green beans. Toss to coat well.

  7. Stir in the cheese and half of the french fried onions.

  8. Pour into prepared casserole. Bake 20 minutes. Sprinkle remaining fried onions over top. Bake another 5-10 minutes until bubbly.
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