Green Bean Casserole

4.56 from 9 votes

Green Bean Casserole is a staple for the holidays, and a must have for your Thanksgiving dinner. This simple recipe dresses up the classic favorite green beans with cream of mushroom soup.

taking a scoop of green bean casserole from the dish
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This green bean casserole is delicious!

A classic favorite, it is traditionally made with french style green beans, cream of mushroom soup, and topped with golden brown crunchy french fried onions.

This unique recipe is packed with extra flavor that takes the dish from good to great!

This recipe is semi homemade, but uses a few special ingredients to really amp up the flavor.

ingredients needed to make green bean casserole with mushrooms

Find the full recipe and instructions at the bottom of this post.

Green Bean Casserole Ingredients

  • Butter: to cook the vegetables in
  • Fresh garlic: fresh garlic really makes all the difference flavor wise!
  • Onion: onion in green bean casserole is a must
  • Sliced mushrooms
  • French style canned green beans: my favorite kind of green beans to use for green bean casserole
  • Cream of mushroom soup: the classic
  • Sharp cheddar cheese: for the topping
  • French fried onions: you simply can’t have green bean casserole without them!
  • Salt & pepper: to taste
a scoop of green bean casserole

To really make this casserole taste like you spent all day in the kitchen, we are adding in a mix of fresh sliced mushrooms, onion, and minced garlic. Fresh mushrooms in green bean casserole taste amazing!

How to make green bean casserole

Step 1: Add the minced garlic, thinly sliced onion, and mushrooms to a skillet along with butter. Cook this over medium high heat until the mushrooms have released their liquid and cooked down.

a skillet with mushrooms, minced garlic, and chopped onion in it

Step 2: Drain the liquid from 4 cans of french style green beans. Once your mushrooms have cooked down, add them to a bowl with with green beans and cream of mushroom soup, then stir to combine.

mixing together cream of mushroom soup, mushrooms, and green beans

Step 3: Grease a 9 by 13 baking dish, and add the casserole filling to it. Top with one cup of freshly grated sharp cheddar cheese.

Step 4: Bake the french green bean casserole at 400 degrees for 20 minutes, or until bubbly. Remove the casserole from the oven and top it with one container of french fried onions.

If you really love french fried onion topping, feel free to double it. You really can’t have too many crunchy golden brown french fried onions in my opinion!

green bean casserole

Bake the casserole an additional 5 minutes, or until the french fried onions are crispy and golden brown.

This family favorite side dish is so delicious and always a hit.

a scoop of green bean casserole
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taking a scoop of green bean casserole from the dish
4.56 from 9 votes

Green Bean Casserole

Green Bean Casserole with mushrooms and french fried onions is a staple for any holidays, and a must have for your Thanksgiving dinner!
Prep: 15 minutes
Cook: 40 minutes
Total: 55 minutes
Servings: 10

Ingredients 

  • 3 tablespoons butter
  • 8 cloves garlic, minced
  • 1 small yellow onion, thinly sliced
  • 8 oz sliced mushrooms
  • 4 cans, 14.5 oz each french style green beans, drained
  • 2 cans cream of mushroom soup
  • 1 cup fresh grated sharp cheddar cheese
  • 6 oz french fried onions
  • 1/2 teaspoon salt
  • 1/2 teaspoon pepper

Instructions 

  • Preheat the oven to 400 degrees
  • Add the butter, mushrooms, garlic, onion, salt, and pepper to a skillet
  • Cook the mushroom mixture over medium heat for 10-15 minutes, or until the mushrooms have cooked down and cooked off their liquid
  • Drain the french style green beans
  • In a bowl, stir together the drained green beans, cooked mushrooms and onions, and cream of mushroom soup
  • Grease a 9 by 13 baking dish and transfer the green bean casserole to it
  • Top the green bean casserole with 1 cup of grated sharp cheddar cheese
  • Bake the green bean casserole at 400 degrees for 20 minutes, or until bubbly
  • Remove the casserole from the oven and top it with the french fried onions. Bake it for another 5 minutes, or until the french fried onions are golden brown and crunchy on top.

Nutrition

Calories: 264kcal, Carbohydrates: 19g, Protein: 9g, Fat: 18g, Saturated Fat: 8g, Polyunsaturated Fat: 8g, Cholesterol: 32mg, Sodium: 824mg, Fiber: 4g, Sugar: 4g
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3 Comments

  1. This was SO GOOD. I was making a gluten free variation of this for a group friendsgiving, and really the only things I needed to look out for were the ingredients in the French fried onions and the cream of mushroom. Turned out my cream of mushroom contained wheat (ack!) so I whipped up my own homemade โ€œcreamy soupโ€ base. The sautรฉed onions, mushrooms, and garlic were EVERYTHING in this recipe, and came in clutch with the mushroom flavor where I was missing it in my creamy soup. Great recipe! Worth the extra steps for that onion mixture!

  2. A definite must have for your holiday spread! Loved this green bean casserole, especially the addition of fresh mushrooms, onion and garlic!