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This classic green bean casserole is one of the easiest and most satisfying side dishes you can make. With just a handful of ingredients, you get a rich, creamy, and crunchy dish that’s loved by everyone.
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Cuisine: American
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Yield: 12 servings
Why You’ll Love Making It
- Classic Comfort Food – A creamy, savory, and crispy-topped dish that’s a staple at holiday dinners and family gatherings.
- Beginner-Friendly – Simple ingredients and easy-to-follow steps make this recipe nearly foolproof.
- Quick & Convenient – Made with canned ingredients, this dish comes together in just 40 minutes.
- Perfect for Make-Ahead – Assemble in advance and bake when ready for a stress-free meal.
Ingredients
- 3 (10.5 oz) cans Campbell’s® Cream of Mushroom Soup – The rich and creamy base that adds depth of flavor.
- 3 (15.5 oz) cans cut green beans, drained – Tender, flavorful, and ready to use straight from the can. Fresh or frozen green beans can also be used.
- ½ cup milk – Helps thin out the soup for a smooth, creamy consistency. Whole milk works best, but any milk will do.
- 2 (6 oz) containers French’s® Crispy Fried Onions, divided – Adds the signature crunch. Half is mixed into the casserole, and the rest is used as a crispy topping.
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Instructions
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish with non-stick cooking spray to prevent sticking.
Step 2: Mix the Casserole Ingredients
In a large mixing bowl, combine the cream of mushroom soup, drained green beans, milk, and one container (6 oz) of crispy fried onions. Stir well to evenly coat the green beans with the creamy sauce.
Step 3: Transfer to Baking Dish
Pour the green bean mixture into the prepared baking dish, spreading it out evenly with a spoon or spatula.
Step 4: Add Crispy Topping
Sprinkle the remaining 6 oz container of crispy fried onions evenly over the top of the casserole. This will give it that signature golden crunch.
Step 5: Bake Until Bubbly
Bake the casserole in the preheated oven for 30–35 minutes, or until the edges start to bubble and the crispy onions are golden brown. Watch closely in the last few minutes to prevent the onions from burning.
Step 6: Let It Rest & Serve
Remove from the oven and allow the casserole to cool for about 10 minutes before serving. This helps the sauce thicken slightly for a perfect creamy consistency.
FAQs
Can I make Green Bean Casserole ahead of time?
Yes! Assemble everything except the crispy onion topping, cover, and refrigerate up to 24 hours in advance. When ready to bake, let it sit at room temperature for 15–20 minutes, add the crispy onions, and bake as directed.
How do I store and reheat leftovers?
Store leftovers in an airtight container in the fridge for up to 3 days. Reheat in a 350°F oven for 15 minutes, uncovered, to keep the topping crispy. If using a microwave, the onions may lose some crunch.
