Healthy Green Bean Casserole

5 from 1 reviews

A completely homemade, lightened up version of your favorite Thanksgiving casserole.


  • 2 Tablespoons butter
  • 2 cloves garlic, minced
  • 1/2 cup onion, diced
  • 1 cup mushrooms, thinly sliced and diced
  • 3 Tablespoons white whole wheat flour
  • 1.5 cups skim milk
  • 2/3 cups plain greek yogurt
  • 1/2 teaspoon salt
  • 3/4 teaspoon onion powder
  • 3/4 teaspoon garlic powder
  • black pepper, to taste
  • 212 ounce bags frozen green beans
  • 1/4 cup Parmesan cheese, grated (optional)
  • 1/4 cup Panko breadcrumbs


  1. Preheat oven to 350 degrees F.
  2. Melt butter in a large saucepan.
  3. Add garlic, onion and mushrooms and saute 5-7 minutes.
  4. Add flour and stir well.
  5. Slowly add milk, stirring constantly to avoid clumping.
  6. Add yogurt and seasonings, reduce heat and let simmer 5-10 minutes until thickened.
  7. Cook green beans according to package directions (in microwave or on the stove. Drain excess water).
  8. Add green beans to sauce and stir to combine.
  9. Pour into a casserole dish. Top with parmesan if desired. Sprinkle with breadcrumbs.
  10. Bake at 350 for 30 minutes.

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