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5.0 from 591 votes

Green Bean Casserole (from Scratch)

Creamy green bean casserole recipe made from scratch with homemade cream of mushroom soup, topped with parmesan garlic and herb breadcrumbs.

Prep Time
10 mins
Cook Time
10 mins
Total Time
45 mins
Servings: 6 people
Calories: 280 kcal
Course: Side Dish
Cuisine: American

Ingredients

For the Green Bean Casserole
  • 1 lb green beans trimmed
  • 1 Tbsp unsalted butter
  • 1 Tbsp olive oil
  • 8 oz mushrooms (cremini, baby bella, or white)
  • 1 medium onion chopped
  • 2 cloves garlic
  • 2 Tbsp all-purpose flour
  • 1/2 cup chicken or vegetable stock
  • 1 cup heavy whipping cream
  • 1 Tbsp Worcestershire sauce 
  • 1 Tbsp soy sauce
  • salt to taste
  • black pepper to taste
For the Parmesan Herb and Garlic Breadcrumbs
  • 1/2 cup breadcrumbs
  • 1/3 cup Parmesan Cheese
  • 1/4 tsp garlic powder (or 1 tsp garlic flakes)
  • 1 tsp dried parsley

Instructions

    Cup of Yum
  1. Preheat Oven to 375˚F. Set a large pot with water over high heat and bring to a boil then add trimmed green beans. Cook/blanch them for 5 minutes for firmer beans or 8 minutes for softer beans. Drain and set aside. 
  2. Meanwhile, Place a large pan over medium/high heat and add 1 Tbsp butter and 1 Tbsp oil, then add sliced mushrooms with a pinch of salt and pepper. Saute until the mushroom liquid has evaporated and mushrooms are golden.
  3. Move mushrooms to one side of the pan and add chopped onion. Saute onions over low heat for a couple of minutes then stir them together with mushrooms and saute until onions are soft (6-8 min). Add minced garlic and cook for 30 seconds longer while stirring. 
  4. Add 2 Tbsp flour and stir until the flour turns into a paste. Continue cooking 1-2 minutes, stirring constantly until it smells slightly nutty, being careful not to burn the mixture.
  5. Add the 1/2 cup chicken stock and bring to a boil over medium heat, stirring constantly and scraping the bottom of the pan with a spatula. Add 1 cup heavy cream, 1 Tbsp Worcestershire sauce, 1 Tbsp soy sauce and cook over low until sauce has a creamy and gravy-like consistency (it thickens more as it bakes). Season with salt to taste.
  6. Add blanched green beans to the mushroom sauce and stir to combine then transfer to a casserole dish. 
  7. In a separate bowl, combine 1/2 cup breadcrumbs, 1/3 cup parmesan cheese, 1/4 tsp garlic powder and 1 tsp dried parsley. Sprinkle over the green bean casserole. Bake uncovered at 375 F for 20 minutes then broil for 2-3 minutes until topping is golden. 

Nutrition Information

Calories 280kcal (14%) Carbs 19g Protein 6g (12%) Fat 20g (31%) Saturated Fat 11g (55%) Cholesterol 64mg (21%) Sodium 464mg (19%) Potassium 389mg (11%) Fiber 3g (12%) Sugar 5g (10%) Vitamin A 1240IU (25%) Vitamin C 12.3mg (14%) Calcium 141mg (14%) Iron 1.8mg (10%)

Nutrition Facts

Serving: 6people

Amount Per Serving

Calories 280

% Daily Value*

Calories 280kcal 14%
Carbs 19g
Protein 6g 12%
Fat 20g 31%
Saturated Fat 11g 55%
Cholesterol 64mg 21%
Sodium 464mg 19%
Potassium 389mg 8%
Fiber 3g 12%
Sugar 5g 10%
Vitamin A 1240IU 25%
Vitamin C 12.3mg 14%
Calcium 141mg 14%
Iron 1.8mg 10%

* Percent Daily Values are based on a 2,000 calorie diet.