Campbells Green Bean Casserole
This Campbells Green Bean Casserole is the familiar, comforting side with tender green beans in a creamy mushroom sauce and a crunchy fried onion topping — creamy, savory, and a little crisp on top. It’s worth making because it’s quick, uses pantry staples, and feeds a crowd without fuss.
I like this version because it keeps the classic flavors but is forgiving: use fresh, frozen, or canned green beans and it still turns out well. It’s easy to assemble ahead and pops in the oven when you’re ready.
Why This Campbells Green Bean Casserole Works
1. Uses Campbells condensed cream of mushroom soup for dependable, savory creaminess without extra fuss.
2. Balances textures — tender beans and creamy sauce with crispy fried onions on top for contrast.
3. Flexible with green bean type (fresh, frozen, or canned) so you can make it year-round.
4. Simple seasoning and one-pan baking make it quick to prep and easy to scale for company.
Ingredients
Start with the basics and adjust for how many people you’re serving.
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– Campbells condensed cream of mushroom soup: The base of the sauce — use the original for classic flavor.
– Green beans: Fresh (trimmed and blanched), frozen (thawed), or canned (drained) all work; fresh gives the best texture.
– Milk: Thins the soup into a sauce; use dairy or unsweetened plant milk for a lighter finish.
– Fried onion topping: Store-bought French fried onions are the classic crunchy finish — add at the end.
– Butter: Adds richness; a little melted butter with the soup helps coat the beans.
– Salt and black pepper: Simple seasoning that brightens the dish; taste before baking.
– Optional add-ins (soy sauce or Worcestershire): A splash adds umami if you like a deeper savory note.
Substitutions and Variations
– Use canned cream of celery or cream of chicken instead of mushroom for a milder flavor; mushroom gives a more classic umami.
– Swap frozen green beans for fresh blanched beans for crisper texture; canned beans make the casserole softer and quicker.
– Replace fried onion topping with homemade panko crumbs toasted in butter for a less salty, lighter crunch.
– Make it vegetarian by keeping the mushroom soup and skipping any Worcestershire that contains anchovies.
– Stir in a handful of shredded cheddar before baking for a cheesy variation; it makes the sauce richer and slightly denser.
How to Make Campbells Green Bean Casserole
This is a summary — the full recipe card contains exact amounts and baking times.
1. Preheat the oven and prepare a 9×13 or similar casserole dish by greasing lightly.
2. If using fresh beans, trim and blanch them until just tender; if frozen, thaw and drain; if canned, drain well.
3. In a mixing bowl, combine Campbells condensed cream of mushroom soup, milk, a little melted butter, and a splash of soy or Worcestershire if using; season with salt and pepper.
4. Stir the green beans into the sauce until evenly coated, then transfer the mixture to the prepared dish.
5. Bake uncovered until the sauce is bubbling and heated through (see the recipe card for temperature and time).
6. Remove from oven, sprinkle French fried onions evenly over the top, then return to the oven briefly to brown the onions.
7. Let rest a few minutes before serving so the sauce sets slightly.
Tips for the Best Results
1. Don’t overcook fresh beans — blanch until just tender so they hold their shape after baking.
2. Drain canned or thawed frozen beans well to prevent a watery casserole.
3. Add the fried onions at the end of baking to keep them crisp; add a few extra minutes under the broiler if you want extra color.
4. Use a shallow, wide baking dish so the topping crisps evenly.
5. Taste the sauce before baking and adjust salt/pepper — the soup can be salty, so season lightly.
Common Mistakes
– Using too much liquid: Fix by reducing milk or draining beans well so the casserole isn’t soupy.
– Adding fried onions too early: They’ll go soggy — add them only during the last few minutes of baking.
– Overcooking fresh beans before baking: They’ll become mushy — blanch briefly so they finish cooking in the oven.
– Skipping a quick taste test: The soup can vary in saltiness — taste and adjust seasoning before baking.
– Crowding the pan: Using a deep, narrow dish can prevent even browning — choose a wide dish for better crispiness.
Storage
Storing: Cool the casserole to room temperature, then cover and refrigerate for up to 3–4 days. Reheat in the oven or microwave until hot throughout.
Freezing: You can freeze the baked casserole without the fried onions for up to 2 months. Thaw overnight in the fridge, add fresh fried onions, and reheat in the oven until warmed and crisp.
Reheating or serving later: Reheat covered in a 325°F oven to avoid drying, then uncover and add fried onions in the last 5–10 minutes to restore crunch.
How to Serve Campbells Green Bean Casserole
– Classic holiday plate alongside roasted turkey or baked ham.
– As a simple vegetable side for weeknight dinners with roasted chicken and mashed potatoes.
– Spoon over rice or noodles for a comfort-food casserole-style meal.
– Serve in smaller ramekins for a potluck or buffet where people want individual portions.
More Helpful Notes
– If you like a lighter casserole, reduce the butter and use low-fat milk or a light plant milk.
– For extra mushroom flavor, sauté some sliced mushrooms and stir them into the sauce.
– If making ahead, assemble and refrigerate unbaked; add fried onions and bake when ready.
– To make it gluten-free, use gluten-free fried onions or substitute toasted gluten-free breadcrumbs.
Frequently Asked Questions

Campbells Green Bean Casserole
Ingredients
Casserole
- 5 cups fresh green beans, trimmed and cut into 1 1/2-inch pieces
- 10.5 ounce condensed cream of mushroom soup (one can)
- 1/3 cup whole milk
- 1 1/2 teaspoons soy sauce
- 3/4 teaspoon Worcestershire sauce
- 1/4 teaspoon black pepper
- 1/4 teaspoon garlic powder
- 1/4 teaspoon paprika
- 3/4 cup shredded sharp cheddar cheese
- 1 1/4 cups crispy fried onions
Instructions
Preparation Steps
- Heat the oven to 375°F and position a rack in the center. Lightly grease a 2-quart baking dish.
- Bring a large pot of well-salted water to a boil. Add the green beans and cook 3 to 4 minutes until bright green and crisp-tender. Drain, plunge into ice water to stop the cooking, then drain again and pat very dry so the sauce clings well.
- In a medium saucepan over medium-low heat, whisk together the condensed mushroom soup, milk, soy sauce, Worcestershire, black pepper, garlic powder, and paprika. Warm until smooth and steaming, 3 to 4 minutes. Stir in 1/2 cup of the cheddar just until melted; remove from heat.
- Combine the blanched beans with the warm sauce in a large bowl. Fold in 1/2 cup of the crispy fried onions. Transfer to the prepared baking dish and sprinkle the remaining 1/4 cup cheddar evenly over the surface.
- Cover the dish tightly with foil and bake for 15 minutes.
- Uncover, stir gently to redistribute the sauce, then scatter the remaining 3/4 cup crispy fried onions over the top. Bake 8 to 10 minutes more until bubbling and the onions are golden. For an extra-crisp finish, broil for 30 to 60 seconds, watching closely.
- Let the casserole rest 5 minutes before serving to set the sauce.
Notes
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