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Easy green bean casserole recipe from scratch with creamy mushroom sauce and crispy fried onions

Easy Green Bean Casserole From Scratch

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Prep Time 20 minutes
Cook Time 35 minutes
Total Time 55 minutes
Servings: 8 servings
Calories: 190
Ingredients Method

Ingredients
  

  • 1 1/2 lb fresh green beans, trimmed
  • 2 tbsp butter
  • 8 oz mushrooms, sliced
  • 2 cloves garlic, minced
  • 2 tbsp all-purpose flour
  • 1 cup low-sodium vegetable or chicken broth
  • 1 cup milk
  • 1/2 tsp onion powder
  • 1/2 tsp black pepper
  • 1/2 tsp salt
  • 1 1/2 cups crispy fried onions

Method
 

  1. Blanch green beans in salted boiling water for 4–5 minutes, drain and transfer to cold water.
  2. Cook mushrooms in butter until browned; add garlic and flour and stir for 1 minute.
  3. Whisk in broth and milk, season with onion powder, pepper and salt, and simmer until thickened.
  4. Fold drained beans into sauce, transfer to a greased baking dish and top with half the crispy onions.
  5. Bake at 375°F until hot and bubbling, adding remaining crispy onions in the final few minutes.