Go Back

French Onion Green Bean Casserole – A Comfort Food Classic with a Flavorful Twist

Shruthi
The French Onion Green Bean Casserole delivers creamy, savory perfection with every bite. Fresh green beans, caramelized onions, and melted cheese blend beautifully in a rich sauce. A crispy onion topping adds texture and depth, making it irresistible. This upgraded version of a classic holiday dish is comfort food at its finest.
Prep Time 15 minutes
Cook Time 40 minutes
Total Time 53 minutes
Course Side Dish
Cuisine American-French Fusion
Calories 260 kcal

Ingredients
  

  • 1 lb fresh green beans, trimmed
  • 2 tbsp butter
  • 2 large onions, thinly sliced
  • 2 cloves garlic, minced
  • 1 tbsp all-purpose flour
  • 1 cup beef broth
  • 1 cup heavy cream
  • 1 tsp Worcestershire sauce
  • 1 cup shredded Gruyère cheese
  • Salt and black pepper to taste
  • 1 ½ cups crispy fried onions

Instructions
 

  • Preheat oven to 375°F (190°C).
  • Cook the beans in boiling salted water for 5 minutes, then drain and set aside.
  • Caramelize the onions: In a skillet, melt butter and cook onions over medium heat for 20 minutes until golden. Add garlic and cook another minute.
  • Make the sauce: Stir in flour, then add broth, cream, and Worcestershire sauce. Simmer until thickened.
  • Combine: Mix green beans into the onion sauce, add cheese, salt, and pepper.
  • Bake: Transfer to a greased baking dish, top with fried onions, and bake for 20 minutes until bubbly and golden.
  • Serve hot and enjoy the rich, creamy goodness.

Notes

  • Use fresh green beans for the best flavour and texture.
  • Caramelize onions slowly to enhance sweetness and depth.
  • Gruyère or Swiss cheese adds a nutty, rich flavor to the dish.
  • Add a splash of white wine to the onions for extra depth.
  • This casserole can be assembled ahead and baked just before serving.
Keyword caramelized onions, creamy baked dish, French onion casserole, green bean casserole, holiday side dish