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+ servings

Green Bean Casserole

This green bean casserole is a simple recipe made with frozen green beans and topped with french fried onions.
Prep Time 5 mins
Cook Time 40 mins
Total Time 45 mins
Course Side Dish
Cuisine American
Servings 8
Calories 225 kcal


  • 4 slices bacon crispy
  • 1 pound frozen green beans
  • 1 small onion diced
  • 3 cloves garlic minced
  • ½ pound mushrooms finely chopped
  • 3 Tbs butter
  • 3 Tbs flour
  • 2 ½ cup half & half
  • 1 ½ cup parmesan cheese save ½ cup for topping
  • 2 ½ cups french fried onions: ½ cup for mixture and 2 cups for topping
  • Salt and pepper to taste
  • 2 tsp italian seasoning


  • Preheat oven to 350 degrees
  • In a skillet over medium high heat, cook bacon until crispy. Set aside and chop when cooled.
  • Wipe some of the grease from skillet, but leave about 1 Tbs in the pan to fry your mushroom mixture. Cook mushrooms, onion, and garlic and set aside. 
  • Steam frozen green beans until you have reached your desired tenderness. 
  • Melt butter in skillet. Once butter is completely melted, add in your flour and whisk together. Once it starts to thicken (about 30-60 seconds), slowly add in half & half in increments until mixture is thickened. 
  • Add in salt and pepper, italian seasoning, and 1 cup of parmesan cheese. Stir together until the cheese is melted. Add in chopped bacon, onion and mushroom mixture, and ½ cup of fried onions. 
  • Top with ½ cup parmesan cheese and bake in oven for 20 minutes. 
  • After 20 minutes, take your casserole out of the oven and top with 2 cups (or more!) fried onions until completely covered. 
  • Put dish back into oven for 10 more minutes, or until casserole is bubbling.


Calories: 225kcal