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Campbell's Iconic Green Bean Casserole

  • prep time: 10 min
  • total time: 40 min
  • serves: 6 people
  • calories: 151 1 serving
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Born in the Campbell’s Test Kitchen in 1955, this recipe has stood the test of time. With just five staple ingredients and a mere 10 minutes of prep, it's no wonder this dish has been a beloved family favorite for

Born in the Campbell’s Test Kitchen in 1955, this recipe has stood the test of time. With just five staple ingredients and a mere 10 minutes of prep, it's no wonder this dish has been a beloved family favorite for over six decades. A forever crowd-pleaser, this iconic recipe is always an instant hit at dinner parties. For a fun and shareable version of our green bean casserole try our Green Bean Casserole Bites.

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Ingredients

  • 1 can (10.5 ounces) Campbell’s® Condensed Cream of Mushroom Soup
  • 1/2 cup 2% milk
  • 1 teaspoon soy sauce
  • 4 cups cooked cut green beans
  • 1 1/3 cups French's® French Fried Onions (amount divided in recipe steps below)
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Instructions

  • Step 1

    Heat the oven to 350°F.  Fold in the Campbell's® Condensed Cream of Mushroom Soup, milk, soy sauce, beans and 2/3 cup onions in a 1 1/2-quart oven safe casserole until all ingredients are combined.  Season the mixture with salt and pepper.

  • Step 2

    Bake for 25 minutes or until hot and bubbling.  Stir the bean mixture.  Sprinkle with the remaining 2/3 cup onions.

  • Step 3

    Bake for another 5 minutes or until the onions are golden brown.  Let green beans rest a few minutes before serving to help the flavors meld and the casserole settle.  Store leftovers in an oven safe dish for easy reheating. 

Tips
For the cooked green beans, use about 1 1/2 pounds of fresh green beans. We recommend you prepare the fresh green beans to be just slightly cooked or “blanched”. To do this boil the trimmed beans for 2-4 minutes until they are crisp-tender, then immediately plunge them into a bowl of ice water to stop the cooking and preserve their bright green color. You could also use 16-20 ounces of thawed frozen green beans or 2 cans (14.5 ounces each) green beans, drained.                                                
If preparing using Unsalted Cream of Mushroom you can add salt to taste.  Our test kitchen found that 1/4 teaspoon of salt enhanced the flavor of the recipe and contributes an additional 98.3 mg of sodium per serving, but you can add less or more to make it right for you.
Toasted almonds can add a delightful crunch.  Add 1/4 cup toasted sliced almonds to the onion topping.
To add a festive touch: Stir in 1/4 cup chopped red pepper with the soup.
Chef Tip: Try this Italian version with pancetta and rosemary!  Cook 4 ounces pancetta, diced, in a skillet over medium heat until almost crisp.  Add 1/4 cup chopped onion and 1/2 teaspoon minced fresh rosemary leaves to the skillet and cook until onion is tender.  Add the pancetta mixture to the soup mixture in Step 1.  In Step 2, sprinkle the remaining French fried onions with 1 tablespoon grated Pecorino Romano cheese, then bake as directed in Step 3.
You can also use Campbell's® Condensed Unsalted Cream of Mushroom Soup or Campbell's® Condensed Cream of Celery Soup in place of the Campbell's® Condensed Cream of Mushroom Soup.
Substitutions & Variations
Campbell's Product Swaps
Instead of:
Campbell’s® Condensed Cream of Mushroom Soup
Campbell’s® Condensed Unsalted Cream of Mushroom Soup
More control over seasoning so you can salt to taste.
Instead of:
Campbell’s® Condensed Cream of Mushroom Soup
Campbell’s® Condensed Heart Healthy Cream of Mushroom Soup
A lower-sodium option.
Instead of:
Campbell’s® Condensed Cream of Mushroom Soup
Campbell’s® Condensed Cream of Celery Soup
A different flavor preference.
Alternate Cooking Methods
Stovetop
  • Divide the French fried onions and set aside half for the topping.
  • Combine the remaining ingredients in a 12-inch skillet.
  • Heat to a boil, then reduce heat and simmer for 10 to 15 minutes, stirring occasionally, until the beans reach your desired tenderness.
  • Spoon into a serving dish and top with the reserved onions.
  • For a crispy golden topping, toast the reserved onions in an air fryer or toaster oven for 2 to 3 minutes before serving.
Slow Cooker
  • Combine all ingredients except the onions reserved for the topping in the slow cooker.
  • Cover and cook on High for 2 to 3 hours.
  • Stir, then top with the reserved onions.
  • Place a paper towel over the slow cooker, replace the lid and cook for 5 more minutes. Adding the paper towel absorbs condensation and prevents the onions from getting soggy.
  • Set the slow cooker to Warm until ready to serve, for up to 1 hour.
Air Fryer
  • Prepare the recipe as directed in a 1½-quart baking dish that fits in your air fryer.
  • Air fry at 350°F for about 15 minutes.
  • Stir the casserole and add the onion topping.
  • Air fry for 2 more minutes, until the topping is golden.
Storage
Refrigerate
Make it a day ahead. Cover and refrigerate without the onion topping.
Freeze
Freeze without the onion topping for up to 2 months.
Thaw
Thaw overnight in the refrigerator before reheating.
Reheat
Bake at 350°F for 45 minutes. Add onions for the final 5 minutes.

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Nutrition Facts
Calories 151
Total Fat 10 g
Sat. Fat 3 g
Trans Fat 0 g
Cholesterol 2 mg
Sodium 513 mg
Total Carb 14 g
Dietary Fiber 2 g
Sugar 4 g
Protein 3 g
Vitamin D 1 %DV
Calcium 4 %DV
Iron 4 %DV
Potassium 4 %DV

This nutritional information refers to each serving of the entire recipe and not just the products used as ingredients.

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Campbell's Pinterest Campbell's Instagram Campbell's TikTok
Calories 151
Total Fat 10 g
Sat. Fat 3 g
Trans Fat 0 g
Cholesterol 2 mg
Sodium 513 mg
Total Carb 14 g
Dietary Fiber 2 g
Sugar 4 g
Protein 3 g
Vitamin D 1 %DV
Calcium 4 %DV
Iron 4 %DV
Potassium 4 %DV

This nutritional information refers to each serving of the entire recipe and not just the products used as ingredients.

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Frequently Asked Questions

General Information
Can I make green bean casserole ahead of time?

Yes. Assemble the casserole (soup, milk, soy sauce, green beans, and two-thirds of the French Fried Onions) up to a day ahead then cover and refrigerate. Bake the casserole, adding the onion topping during the final 5 minutes of baking time.

Can I use fresh or frozen green beans in Green Bean Casserole?

Yes! We prefer using fresh green beans whenever possible! Use about 1½ pounds of fresh green beans, blanched 2-4 minutes until crisp-tender then shocked in ice water (be sure to drain them well!). You can also use 16-20 ounces of thawed frozen green beans. If you prefer using canned green beans, that’s okay too! Use 2 (14.5 oz.) cans and drain them well.

What can I substitute for Cream of Mushroom Soup in this recipe?

The great news is that you can easily substitute other Campbell’s condensed soups for the classic umami flavor of Cream of Mushroom. Campbell’s Condensed Cream of Celery Soup is a delicious swap if you want a vegetable-forward flavor. If you love a rich savory flavor, try Campbells Condensed Cream of Chicken Soup and if you love a cheesy Green Bean Casserole, use Campbell’s Condensed Cheddar Cheese Soup.

How do I adjust the salt level of green bean casserole?

Campbell’s Condensed Unsalted Cream of Mushroom Soup gives you greater control over seasoning and provides the flexibility to salt to taste. Campbell’s Heart Healthy Cream of Mushroom Soup provides a lower-sodium option.

How long does green bean casserole take to bake, and how do I store leftovers?

It bakes about 30 minutes total (25 minutes, then 5 more minutes after adding the remaining onions) at 350°F after 10-minute prep. Store leftovers in a microwave-safe storage container for easy reheating.

Can you freeze Green Bean Casserole?

Yes. Freeze the baked casserole without the onion topping for up to 2 months, then thaw it overnight in the refrigerator before reheating. For the best texture and flavor, we recommend making Green Bean Casserole fresh because it requires only a few minutes of prep.