Campbells Green Bean Casserole Recipe
Introduction
Campbell’s Green Bean Casserole is a classic comfort food that brings together tender green beans and a creamy mushroom sauce topped with crispy fried onions. This easy-to-make dish is perfect for family dinners or holiday gatherings, offering a delicious balance of textures and flavors.

Ingredients
- 1 can condensed cream of mushroom soup (10.5 oz)
- 1/2 cup milk
- 1 tsp soy sauce
- 4 cups cut green beans (from 2 cans, 1 lb fresh, or one 16 oz frozen package)
- 1/4 tsp ground black pepper
- 1 1/3 cups crispy french fried onions, divided
Instructions
- Step 1: Prepare the green beans. If using frozen, thaw completely and drain excess liquid. If fresh, trim and cut into 2-inch pieces, then blanch briefly in salted boiling water before draining. For canned beans, drain well. Preheat your oven to 350°F (or prepare your air fryer to the same temperature). Divide the fried onions into two portions: about 2/3 cup for mixing and 1/3 cup for topping, keeping the reserved portion fresh in a small bowl.
- Step 2: In a large bowl, whisk together the cream of mushroom soup, milk, and soy sauce until smooth and well combined. The soy sauce enhances the umami flavor without adding saltiness.
- Step 3: Add the green beans, 2/3 cup fried onions, and black pepper to the soup mixture. Gently fold to coat the beans evenly and distribute the onions, being careful not to overmix to keep the onions crispy.
- Step 4: Pour the mixture into a 9×9-inch baking dish and spread evenly. Bake at 350°F for 25 minutes (or 10 minutes in an air fryer) until bubbling around the edges and heated through.
- Step 5: Remove from the oven and stir gently. Spread the reserved 1/3 cup fried onions evenly on top. Return to the oven and bake for another 5 minutes (or 2 minutes in an air fryer) until the onions are golden and the casserole is bubbly.
Tips & Variations
- For extra flavor, add a splash of Worcestershire sauce or a pinch of garlic powder to the cream sauce.
- Use fresh green beans for a firmer texture and brighter color, but canned or frozen beans work well for convenience.
- To make the casserole ahead, assemble it up to Step 4, cover, and refrigerate. Add onions and bake just before serving.
Storage
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven at 350°F until warmed through to keep the topping crispy. Avoid microwaving if you want to maintain the casserole’s texture, as it can make the onions soggy.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use fresh green beans instead of canned or frozen?
Yes, fresh green beans can be used. Trim and cut them into 2-inch pieces, then blanch in salted boiling water for a few minutes before draining. This preserves their color and texture in the casserole.
Is soy sauce necessary in the recipe?
The soy sauce adds a subtle umami flavor that enhances the mushroom soup without making the dish salty. If you prefer, you can omit it or substitute with a splash of Worcestershire sauce for a different depth of flavor.
PrintCampbells Green Bean Casserole Recipe
This classic Campbells Green Bean Casserole combines tender green beans with a creamy mushroom sauce, enhanced by a touch of soy sauce for depth, and topped with crispy fried onions for the perfect crunchy finish. Ideal as a comforting side dish for holiday dinners or weeknight meals.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 6 servings 1x
- Category: Side Dish
- Method: Baking
- Cuisine: American
Ingredients
Green Beans
- 4 cups cut green beans (from 2 cans, 1 lb fresh, or one 16 oz frozen package)
Sauce Mixture
- 1 can condensed cream of mushroom soup (10.5 oz)
- 1/2 cup milk
- 1 tsp soy sauce
- 1/4 tsp ground black pepper
Topping
- 1 1/3 cups crispy french fried onions, divided
Instructions
- Prepare the Green Beans: If using frozen green beans, thaw completely and drain any excess liquid. For fresh beans, trim and cut into 2-inch pieces, then blanch briefly in salted boiling water before draining. If using canned beans, drain well.
- Preheat the Oven or Air Fryer: Preheat your oven to 350°F or prepare an air fryer to the same temperature. Measure out the fried onions and split into two portions: about 2/3 cup for mixing into the casserole and 1/3 cup reserved for topping.
- Mix the Sauce: In a large bowl, whisk together the condensed cream of mushroom soup, milk, and soy sauce until smooth. The soy sauce adds a subtle umami flavor enhancing the mushroom base without adding saltiness.
- Combine Ingredients: Add the drained green beans, 2/3 cup of fried onions, and ground black pepper to the sauce mixture. Gently fold everything together, being careful not to crush the fried onions to keep them crispy.
- Bake the Casserole: Pour the mixture into a 9×9-inch baking dish and spread evenly. Bake in the preheated oven for 25 minutes or in the air fryer for 10 minutes until bubbling and heated through.
- Add the Topping: Remove the casserole, gently stir to redistribute the sauce, then sprinkle the reserved 1/3 cup of fried onions evenly on top.
- Final Bake: Return the casserole to the oven and bake for an additional 5 minutes (or 2 minutes in the air fryer) until the top is golden and crispy, and the casserole is bubbling.
Notes
- Blanch fresh green beans to preserve color and texture before baking.
- Dividing the fried onions ensures some stay crispy inside and some provide a crunchy topping.
- You can use canned, frozen, or fresh green beans depending on convenience and preference.
- Adding soy sauce to the mushroom soup provides a deeper umami flavor without making the dish salty.
- This casserole is perfect for holidays like Thanksgiving or as a comforting side any time of year.
Keywords: green bean casserole, classic green bean casserole, mushroom soup casserole, holiday side dish, crispy fried onions, easy green bean recipe

