Go Back

The Best Homemade Healthy Green Bean Casserole

A wholesome, from-scratch green bean casserole made with fresh green beans, creamy mushroom sauce, and a light crispy onion topping — all without canned soup.
Print Recipe Pin Recipe
Prep Time 20 minutes
Cook Time 25 minutes
Total Time 45 minutes
Servings: 6 servings
Course: Holiday, Side Dish
Cuisine: American
Calories: 165
Ingredients Equipment Method Notes

Ingredients
  

Casserole
  • 1.5 lb fresh green beans, halved
  • 1 tbsp olive oil
  • 1 small onion, diced
  • 8 oz mushrooms, sliced
  • 3 garlic cloves, minced
  • 1 tsp salt
  • 0.5 tsp black pepper
  • 1 tsp dried thyme
  • 2 tbsp whole wheat flour
  • 1 cup low-sodium broth chicken or vegetable
  • 0.5 cup plain Greek yogurt
Healthy Crispy Onions
  • 1 large onion, thinly sliced
  • 1 tbsp olive oil
  • 0.25 cup whole wheat panko breadcrumbs
  • 0.25 tsp salt

Equipment

  • Large pot
  • Skillet
  • Baking dish
  • Mixing bowls

Method
 

  1. Blanch green beans and cool in ice water.
  2. Sauté onions and mushrooms, add garlic and seasonings.
  3. Stir in flour and broth to form a thickened sauce.
  4. Mix in Greek yogurt and fold in green beans.
  5. Place mixture into a baking dish.
  6. Toss sliced onions with oil, panko, and salt; spread over casserole.
  7. Bake until bubbling and golden.

Notes

Cool sauce slightly before adding yogurt to prevent curdling.