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    Homepage » Recipes

    Green Bean Casserole Recipe from Scratch

    Published: Nov 24, 2020 This post may contain affiliate links · This blog generates income via ads · 10 Comments

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    Green Bean Casserole

    Easy green bean casserole recipe made from scratch. A delicious classic side dish to accompany any Thanksgiving meal. You can make it in advance and pull it out at mealtime.

    This crowd-pleasing French's green bean casserole is made of fresh string beans, freshly made mushroom béchamel sauce, and French crispy fried onions.

    Absolutely delicious, and easy to make! This holiday side dish is the ultimate comfort food to feed a crowd. It's also the best green bean casserole for those of you who don't want to use canned products and want to take control of your sodium intake. You can adjust the amount of salt in this recipe according to your liking.

    Homemade Green Bean Casserole

    The Popular Side Dish for Thanksgiving:

    The original Campbell's green bean casserole consists of canned string beans, cream of mushroom soup, and french fried onion. The recipe was created in 1955 by Dorcas Reilly at the Campbell Soup Company, and it has become one of the most popular traditional Thanksgiving side dishes ever since.

    Homemade Green Bean Casserole

    The Ingredients:

    This casserole is made with canned soup or canned green beans! It's absolutely 💯 made from scratch, except for fried onions! The store-bought fried onion will help you cut down on your cooking time.

    To make this tasty side dish for Thanksgiving dinner, you need the following ingredients:

    1. Fresh green beans
    2. Mushrooms
    3. Chicken broth
    4. Heavy cream
    5. Dijon mustard
    6. Onion powder
    7. Garlic powder
    8. All-purpose flour
    9. Unsalted butter
    10. Nutmeg
    French's Green Bean Casserole

    How to Make Green Bean Casserole:

    This Thanksgiving side dish is very easy to prepare and to make. And, ... the result is phenomenal!

    The preparation and cooking process is pretty simple. Here's how:

    Blanch Green Beans

    Step 1. Blanch the Green Beans

    • First, wash fresh green beans thoroughly in clear, cool water. 
    • After that, cook green beans in a large pot of salted boiling water for about 3-5 minutes depending on the size of green beans or until bright green and halfway to tenderness. Working in multiple batches if needed.
    • Quickly transfer green beans to an ice bath to cool, then drain well. Set aside.

    If you are using canned beans, there is no need to blanch them.

    Mushroom Sauce

    Step 2. Make Homemade Creamy Mushroom Sauce

    • Sauté mushrooms for 4-6 minutes.
    • Make a roux by combining an equal amount of fat and flour, and cook for 1-2 minutes or until roux is golden brown and smells mildly nutty.
    • Add spices and stir for 1 minute.
    • Add chicken broth and heavy cream, simmer for 7-10 minutes or until the sauce is thickened.
    Bechamel Sauce with Mushrooms

    Step 3. Bake

    • Pour the mushroom sauce over green beans then transfer the mixture to a large baking dish.
    • Sprinkle with a generous amount of French crispy fried onions.
    • Bake for about 15-20 minutes at 375°F.

    How to Avoid Watery Green Bean Casserole:

    There is nothing worse than a watery and mushy casserole. Here are some important tips to follow:

    #1. Tender Green Beans

    The green beans should be tender but not mushy. After blanching, toss the green beans into an ice bath to stop the cooking process and drain well!

    #2. Thick Sauce

    The finished mushroom sauce should be really thick and smooth, and actually not resemble soup. The sauce may look like it's not enough to cover the beans but don't worry, just mix everything and the sauce will get more coverage and saucier as it bakes. 

    #3. Use Enough Thickener

    Green Bean Casserole

    Make-Ahead Green Bean Casserole:

    If you are a fan of make-ahead recipes, this recipe is perfect for you. Here's how to make it a day ahead:

    1. Prepare the green beans; clean, blanch, and drain.
    2. Make creamy mushroom sauce
    3. Pour the mushroom sauce over green beans then transfer the mixture to a large baking dish.
    4. Let the casserole cool to room temperature.
    5. Wrap the baking dish well with plastic wrap and foil.
    6. Cover with foil and refrigerate.
    7. To serve, remove the foil and add the remaining onions before baking.

    How to Store Leftover Green Bean Casserole:

    Properly stored, the leftover can last up to 5 days in the fridge.

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    Green Bean Casserole
    5 from 5 votes

    Green Bean Casserole

    Rika
    This crowd-pleasing French’s green bean casserole is made of fresh green beans, freshly made mushroom béchamel sauce, and French crispy fried onions. Absolutely delicious, and easy to make! It’s the ultimate comfort food to feed a crowd.
    Print Recipe Pin Recipe
    Prep Time 10 mins
    Cook Time 45 mins
    Course Side Dish
    Cuisine American
    Servings 8
    Calories 238 kcal

    Ingredients
     

    • 2 pounds fresh green beans
    • 24 oz cremini mushrooms, (chopped)
    • 2 tablespoon unsalted butter
    • 2 tablespoon all-purpose flour
    • 1 teaspoon onion powder
    • 1 teaspoon garlic powder
    • 1 teaspoon kosher salt, (less or more according to your liking)
    • 1 teaspoon black pepper
    • ¼ teaspoon ground nutmeg
    • 1 teaspoon dijon mustard
    • 1¼ cup chicken broth
    • 1 cup heavy cream
    • 1 cup French's Original Crispy Fried Onions, (or use more according to your liking)

    Instructions
     

    • Preheat the oven to 375°F.
    • In a large pot, bring a gallon of water and 2 tablespoons of salt to a boil.
      Add green beans and blanch for about 3-5 minutes 3-5 minutes depending on the size of green beans or until bright green and halfway to tenderness.
      Drain and place in an ice-water bath to stop cooking. Drain and set aside.
    • In a large skillet over medium-high, melt butter and cook sliced mushrooms, undisturbed for 2 minutes, and continue to cook, stirring, until they are soft and most of their liquid has evaporated for about 4-5 minutes.
    • Melt butter and add flour, cook and keep stirring for 1-2 minutes or until roux is golden brown and smells mildly nutty.
    • Add garlic powder, dijon mustard, onion powder, black pepper, nutmeg and stir for 1 minute.
    • Add chicken broth, simmer for 1-2 minutes.
    • Add heavy cream, reduce the heat and simmer for 6-8 minutes or the sauce thickens and coats the back of a spoon. Stirring occasionally. Remove from the heat.
    • Add the blanched green beans and stir to coat in the sauce. Transfer the mixture to a 3-quart or 9'x13' baking dish then layer French fried onions on top.
    • Cook in the oven until hot and bubbly for about 15-20 minutes.

    Nutrition

    Calories: 238kcalCarbohydrates: 18gProtein: 5gFat: 18gSaturated Fat: 10gCholesterol: 48mgSodium: 515mgPotassium: 677mgFiber: 4gSugar: 5gVitamin A: 1308IUVitamin C: 17mgCalcium: 79mgIron: 2mg
    Keyword French's Green Brean Casserole, Green Bean Casserole, Homemade Green Bean Casserole, Thanksgiving Green Bean Casserole
    Tried this recipe?Let us know how it was!

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    1. Noelle

      November 25, 2020 at 1:54 pm

      5 stars
      Make this for tomorrow and it was my first time making it from sctrach, it was so simple! Can't wait to taste it 🙂

      Reply
      • Rika

        December 06, 2020 at 8:39 pm

        I am glad that you liked it, Noelle!

    2. Brenda

      November 25, 2020 at 2:14 pm

      5 stars
      Love how this green bean casserole gets its crispy-tenderness from fresh green beans and the blanching! Skipping the canned ingredients definitely gives a lot more control on the flavor and less additives too!

      Reply
      • Rika

        December 06, 2020 at 8:39 pm

        I couldn't agree more, Brenda!

    3. Tara

      November 25, 2020 at 2:36 pm

      5 stars
      Such a wonderful dish for the holidays! I love the addition of the mushroom béchamel sauce. So many incredible flavors.

      Reply
      • Rika

        December 06, 2020 at 8:38 pm

        The mushroom bechamel sauce is so versatile 🙂 and it's actually pretty easy to make!

    4. Sisley White

      November 25, 2020 at 3:03 pm

      5 stars
      Thank you for the recipe.

      Reply
      • Rika

        December 06, 2020 at 8:38 pm

        You're welcome, Sisley!

    5. Beth

      November 25, 2020 at 3:27 pm

      5 stars
      Yum! I'm always looking for new side dishes for Thanksgiving and this is perfect!

      Reply
      • Rika

        December 06, 2020 at 8:37 pm

        Thanks, Beth! Green bean casserole is a must-have holiday side dish!

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