Campbells Green Bean Casserole is a beloved staple at millions of Thanksgiving tables across America. With its creamy texture, crispy onion topping, and savory flavor, it’s a dish that brings both comfort and nostalgia. This version stays true to the classic while offering modern cooking tips, like air fryer instructions. Whether you’re a first-time cook or a seasoned host, this recipe is simple, delicious, and a guaranteed crowd-pleaser.

Campbells Green Bean Casserole baked in dish with crispy onion topping

Why Campbells Green Bean Casserole Remains a Classic

This casserole has stood the test of time for good reason. It’s easy to prepare, uses only five pantry-friendly ingredients, and delivers a satisfying blend of creamy, crispy, and savory in every bite. It’s also highly adaptable — perfect for busy weeknights, holiday feasts, or potlucks.

Quick to Make: Just mix, bake, and serve.
Crowd-Friendly: Loved by both kids and adults.
Budget-Friendly: Uses common, inexpensive ingredients.
Versatile: Bake it traditionally or use an air fryer to save oven space.
Comforting Flavor: Creamy mushroom base and crispy onions make for an irresistible combination.

What You’ll Need for This Creamy Casserole

Cream of Mushroom Soup: The base of the sauce, adding rich umami flavor and creaminess.

Green Beans: Canned is classic, but fresh or frozen can also be used for texture and nutrition.

Soy Sauce: Adds depth and enhances the overall savory profile.

French Fried Onions: Crispy and flavorful topping that contrasts perfectly with the soft beans.

Milk: Helps thin out the soup and make the casserole creamy.

Black Pepper: Adds a subtle kick. Avoid adding salt, as the soup and soy sauce provide enough sodium.

Ingredient Substitutions for Customization

Fresh Green Beans: Want more crunch? Use fresh green beans. Just blanch them first for 2 minutes in boiling water.

Frozen Green Beans: A great middle ground — no blanching required and better texture than canned.

Cream of Celery or Chicken Soup: For a slightly different flavor profile.

Low-Sodium Soy Sauce or Soup: Ideal for those watching their salt intake.

Cheese: Add shredded cheddar or mozzarella inside and on top for a cheesy twist.

Gluten-Free Fried Onions: Swap in gluten-free alternatives if needed.

Bacon or Almonds: For added crunch and flavor, sprinkle cooked bacon bits or sliced almonds on top before baking.

Step-by-Step: How to Make Campbells Green Bean Casserole

  1. Prep the Green Beans
    If using fresh beans, trim and blanch them for 2 minutes. Canned beans should be drained. No need to thaw frozen beans.
  2. Make the Sauce
    In a large bowl, combine cream of mushroom soup and milk. Stir until smooth, then mix in soy sauce and pepper.
  3. Mix It All Together
    Add the green beans and half of the fried onions. Stir until the mixture is evenly coated and combined.
  4. Choose Your Cooking Method
    Oven:
    • Preheat to 350°F.
    • Pour mixture into a greased 1½ to 2-quart baking dish.
    • Bake for 25 minutes, then stir.
    • Top with remaining onions and bake for 5 more minutes until golden brown.
    Air Fryer:
    • Preheat to 350°F.
    • Use an oven-safe dish that fits your air fryer basket.
    • Cook for 10 minutes, stir, then top with remaining onions.
    • Air fry for 2–3 more minutes until crispy.

Pro Tips to Nail This Holiday Side Dish

Use a Dish That Fits: For air frying, make sure your casserole dish fits comfortably and can be removed easily.

Avoid Extra Salt: The condensed soup and soy sauce already contribute a significant sodium content.

Make Ahead Friendly: Assemble the casserole a day ahead and refrigerate. Increase baking time by about 10 minutes if cooking it cold.

Ensure It’s Hot in the Center: Especially when baking with other dishes, make sure the center of the casserole is fully heated.

Don’t Skip the Onions: French fried onions are not just a topping — they’re the crunchy highlight that makes this dish iconic.

Delicious Add-Ons & Variations to Try

Cheesy Version: Stir in shredded cheddar or Swiss cheese for a richer, cheesier casserole.

Bacon-Lovers Twist: Add cooked, crumbled bacon before topping with onions.

Spicy Kick: Mix in crushed red pepper flakes or a dash of hot sauce to the mushroom mixture.

Almond Green Bean Casserole: Top with sliced almonds for a nutty, crunchy alternative to fried onions.

Gluten-Free Version: Use gluten-free mushroom soup and fried onions.

Make-Ahead Notes: Assemble the entire dish (without topping) and store covered in the refrigerator up to 24 hours before baking. Add onions just before final bake.

A Brief History of This Beloved Side

Campbells Green Bean Casserole was created in 1955 by Dorcas Reilly at the Campbell’s Test Kitchen. Originally intended as a simple, everyday side dish, it gained massive popularity as a holiday staple by the 1960s. Today, it graces more than 20 million Thanksgiving tables each year, a testament to its place in American food culture.

onclusion: A Side Dish That Stands the Test of Time

Campbells Green Bean Casserole isn’t just a recipe — it’s a holiday tradition, a comfort food classic, and a reminder that the simplest dishes often make the biggest impact. With just a handful of affordable ingredients and minimal prep time, this creamy, crispy, savory casserole fits seamlessly into any Thanksgiving spread or weeknight dinner. Whether you prepare it in the oven or air fryer, the result is always comforting, satisfying, and delicious. Keep it classic or add your own twist — either way, it’s sure to be a hit at the table.

Frequently Asked Questions About Campbells Green Bean Casserole

Can I make Campbells Green Bean Casserole ahead of time?

Yes, this dish is make-ahead friendly. You can assemble the casserole up to 24 hours in advance (without adding the final onion topping). Cover it and refrigerate, then bake directly from the fridge. Just extend the cooking time by about 10 minutes to ensure the center is fully heated before adding the onions and finishing the bake.

Can I freeze leftover Campbells Green Bean Casserole?

Absolutely. For best results, remove the crispy onion topping before freezing to prevent sogginess. Store the casserole in an airtight container and freeze for up to 3 months. To reheat, thaw overnight in the refrigerator and bake covered at 350°F for 20 minutes. Then, uncover, stir, and heat for 10 more minutes. Add fresh onions and bake for 5 additional minutes.

Is it better to use fresh, canned, or frozen green beans?

All three options work well, depending on your preference. Canned green beans deliver that classic texture and are most convenient. Fresh green beans offer more bite and color but require blanching first. Frozen green beans provide a balance — slightly firmer than canned and no blanching needed.

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Campbells Green Bean Casserole baked in dish with crispy onion topping

Campbells Green Bean Casserole


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  • Author: Zoey
  • Total Time: 20–35 minutes
  • Yield: 6 servings 1x

Description

Campbells Green Bean Casserole is a creamy, crispy holiday classic made with green beans, cream of mushroom soup, and French fried onions. Perfect for Thanksgiving or any comforting family meal, this quick and easy side dish can be made in the oven or air fryer.


Ingredients

Scale
  • 1 can (10.5 oz) condensed cream of mushroom soup
  • 1/2 cup milk
  • 1 teaspoon soy sauce
  • 4 cups cut green beans (2 cans, 16 oz each or 1 lb frozen or fresh)
  • 1 1/3 cups crispy French fried onions, divided
  • 1/4 teaspoon black pepper
  • Non-stick cooking spray

Instructions

  1. Preheat oven or air fryer to 350°F (175°C).
  2. If using fresh green beans, trim and blanch in boiling water for 2 minutes. Drain canned green beans or use frozen beans directly.
  3. In a large bowl, combine cream of mushroom soup and milk. Stir until smooth and lump-free.
  4. Add soy sauce and pepper, then mix well.
  5. Stir in green beans and 2/3 cup of the crispy fried onions.
  6. Spray a 1½ to 2-quart casserole dish with non-stick spray and pour in the mixture.
  7. Oven method: Bake for 25 minutes, stir, then top with remaining onions and bake an additional 5 minutes until golden.
  8. Air fryer method: Cook for 10 minutes, stir, top with remaining onions, then cook 2–3 minutes more until golden brown.

Notes

  • Do not add extra salt — the soup and soy sauce provide enough.
  • Use low-sodium soup or soy sauce if preferred.
  • For make-ahead, assemble and refrigerate up to 24 hours before baking.
  • Use fresh, frozen, or canned green beans depending on desired texture.
  • Cheese, bacon, or almonds can be added for variation.
  • Prep Time: 5 minutes
  • Cook Time: 15 minutes (Air Fryer) or 30 minutes (Oven)
  • Category: Side Dish
  • Method: Bake
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: 145 kcal
  • Sugar: 3 g
  • Sodium: 532 mg
  • Fat: 8 g
  • Saturated Fat: 4 g
  • Unsaturated Fat: 1.2 g
  • Trans Fat: 0 g
  • Carbohydrates: 14 g
  • Fiber: 2 g
  • Protein: 4 g
  • Cholesterol: 5 mg

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