Green Bean Casserole (From Scratch!)

Green Bean Casserole from scratch is the quintessential side dish for Thanksgiving, Christmas and Easter. I ditched the canned cream soup in favor of fresh ingredients that not only taste better, but are healthier too.

Like my homemade stuffing recipe, I absolutely prefer to make green bean casserole from scratch, with fresh green beans, homemade cream of mushroom soup, and other pantry ingredients. Yet it’s creamy, flavorful, and absolute comfort food. Serve this traditional holiday side dish with your Thanksgiving Turkey and the best Make Ahead Mashed Potatoes.

Green Bean Casserole from Scratch

If you’ve been making a green bean casserole recipe with a bunch of cans of cream soup because it’s easier, I’m about to blow your mind. You’re going to love how easy it is to make from scratch! It tastes so much fresher and it’s a lot better for you too.

Like so many people, I grew up on green bean casserole made with canned green beans and cream soup. There’s nothing wrong with a classic, but when you can easily make it without all those “extra” ingredients it’s healthier, tastier and it’s about to become a new family favorite.

Why We Love It

• No cream soup! This is a big one for me because I just don’t like the flavor or the preservatives.
• Fresh vegetables! This casserole is made with fresh green beans and mushrooms.
• It’s super easy, in fact it will probably surprise you.

Step By Step Instructions

My super easy recipe can even be prepped a day ahead of time!

1. Prep the beans. Trim the ends and pick out any green beans with lots of brown spots while you’re waiting for a big pot of salted water to boil.
2. Par-boil the green beans. Drop the beans into boiling water and partially cook them. They should be bright green in color and be tender-crisp. Remove the green beans from the boiling water and immediately drop them into a large bowl of ice water. The shock of the cold water will immediately stop the cooking process so the beans will keep that nice crisp texture.
3. Saute mushrooms. Dump the water out of the pot and put it back on the stove. Melt some butter, then saute some chopped onions, minced garlic and sliced mushrooms for several minutes. Be sure to season them with salt and pepper. It’s important to season at each layer so the seasoning carries throughout the dish.
4. Make the cream sauce. Whisk flour into the mushrooms and cook for several minutes. Pour in chicken broth and heavy cream and simmer for 5-10 minutes until it’s nice and thick. Taste and add salt and black pepper.
5. Assemble the casserole. Stir in the green beans and some crispy onions and make sure that everything is well combined before pouring the green bean mixture into a baking dish.
6. Bake. Add some more crispy fried onions on top for crunch and yummy flavor, then bake at 375 degrees F for 25 minutes.

Make Ahead Casserole

You can make this casserole up to 24 hours in advance. Just before baking, cool and cover tightly with foil or plastic wrap and store in the refrigerator. Take out of the fridge while you preheat the oven, or add 10 minutes to the cook time. This is great for holiday meal preparation, leaving you time the day of to prep more time consuming dishes.

To make and freeze an unbaked casserole, follow the same instructions, but place it in the freezer for up to 6 months. Be sure to use a dish that is both freezer safe and oven safe.

Serving Suggestions

I’ve been known to make this casserole any time of the year, but it’s especially popular around Thanksgiving and Christmas. I mean, it’s the perfect side dish for a great Thanksgiving Turkey or Glazed Baked Ham! So how about some classic holiday sides?

• Sweet Potato Casserole
• Make Ahead Mashed Potatoes
• Honey Roasted Carrots
• Creamy Cornbread Casserole
• One Pan Cauliflower Mac and Cheese

Don’t forget the turkey!

Get the best roast turkey recipe, plus TONS of tips!

Roast Turkey Recipe →

What To Do With Leftovers

Storage: Store leftover casserole in an airtight container in the refrigerator for 2-3 days or in the freezer for up to 2 months.

Reheating: Thaw frozen casserole in the fridge overnight. Reheat leftovers in the oven, covered with foil, at 350 degrees F until warmed, or reheat in the microwave at 50% power.

FAQs

Want more Thanksgiving Side Dishes?

• 101+ Thanksgiving Side Dishes – over 100 of the best classic and unique recipes for your holiday feast.

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Green Bean Casserole

5 from 6 votes

Kristin Maxwell

Green Bean Casserole from Scratch is easy to make with fresh ingredients and no canned soup! It's the best side dish for your holiday meal.

Prep Time 10 mins

Cook Time 50 mins

Total Time 1 hr

Print RecipePin RecipeReview Recipe

Course Side Dish

Cuisine American

Servings 8 servings

Calories 374kcal

Ingredients

  

1x2x3x

• ▢ 2 pounds green beans trimmed and cut in half
• ▢ ¼ cup butter
• ▢ 1 pound sliced white button mushrooms cleaned and stems removed
• ▢ 1 clove garlic minced (1 teaspoon)
• ▢ Salt and pepper to taste
• ▢ ¼ cup flour
• ▢ 2 cups vegetable broth or chicken
• ▢ 1 cup heavy cream
• ▢ 1 6- ounce can French Fried Onions divided

Instructions

 

• Preheat oven to 375 degrees. Grease a large baking dish (13×9) with nonstick cooking spray.
• Bring 4 quarts of water to a boil in a large pot over medium heat. Add 2 tablespoons salt and the trimmed green beans. Boil for 4-5 minutes or until beans are bright in color and tender-crisp (tender but still have a “bite” to them).
• Meanwhile, prepare a large bowl of ice water. Place the beans into the ice bath to stop the cooking process. Set aside.
• Add butter to the pot and melt over medium heat. Add garlic, mushrooms, salt and pepper (¼-½ teaspoon each) and cook, stirring often, for about 6 minutes. Add ¼ cup flour and cook for 1-2 minutes, stirring constantly. Add broth and heavy cream, reduce heat slightly and simmer until sauce is thickened; about 10 minutes. Taste and add salt and pepper to your liking.
• Add green beans and about ⅓ of the french fried onions to the pot and stir until evenly coated. Pour into prepared baking dish and spread evenly. Top with remaining fried onions and bake uncovered until sauce is bubbly and topping is golden; about 20-25 minutes. Rest for at least 5 minutes before serving.

Notes

Storage: Store leftover casserole in an airtight container in the refrigerator for 2-3 days or in the freezer for up to 2 months.

Reheating: Thaw frozen casserole in the fridge overnight. Reheat leftovers in the oven, covered with foil, at 350 degrees F until warmed, or reheat in the microwave at 50% power.

Make Ahead: You can prepare the casserole up to 24 hours in advance. Just before baking, cool and cover tightly with foil or plastic wrap and store in the refrigerator. When ready to bake, take out of the fridge while you preheat the oven, or add 10 minutes to the cook time. 

Freeze ahead: To make and freeze an unbaked casserole, follow the same instructions, but place it in the freezer for up to 6 months. Be sure to use a dish that is both freezer safe and oven safe.

Nutrition

Calories: 374kcalCarbohydrates: 25gProtein: 5gFat: 29gSaturated Fat: 16gCholesterol: 56mgSodium: 513mgPotassium: 442mgFiber: 4gSugar: 5gVitamin A: 1522IUVitamin C: 15mgCalcium: 65mgIron: 2mg

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